ABV1225513R [PANASONIC]

Snap Acting/Limit Switch, SPST, Momentary, 2.4mm, Quick Connect Terminal, Short Roller Lever Actuator, Panel Mount, ROHS COMPLIANT;


型号：	ABV1225513R
厂家：	PANASONIC
描述：	Snap Acting/Limit Switch, SPST, Momentary, 2.4mm, Quick Connect Terminal, Short Roller Lever Actuator, Panel Mount, ROHS COMPLIANT 开关
文件：	总13页 (文件大小：576K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

ABV (BV)Turquoise

Switches

Miniature Size

Sealed Switches

FEATURES

TYPICAL APPLICATIONS

Terminal type

33.0

• Integral construction of body and

cover, sealed switches

• Long life (Mechanical life: Min. 5 ×

10⁶)

• Automotive

10.3

• Agricultural machinery (Combine,

Rice planting machine)

• Ice maker, etc.

15.9

• Wide variation.

Wire leads

(Unit: mm)

ORDERING INFORMATION

ABV 1

Actuator

0: Pin plunger

Operating Force (OF)

by pin plunger (max.)

4: 0.98 N

Contact form

1: SPDT

2: SPST-NC

R: Improved short roller lever

2: Hinge lever

5: 1.96 N

COM

4: Simulated roller lever

5: Short roller lever

6: Roller lever

3: SPST-NO

Safety standard

Null: Safety standard un-acquiring

3: UL/C-UL, ENEC/VDE

COM

Terminal

2: .187 quick-connect terminal

6: Wire leads

Contact material

0: AgNi alloy

1: AgNi alloy + Au-clad

Note: Not every combination is available. Please refer to the following table, “PRODUCT TYPES”.

APPLICABLE CURRENT RANGE (Reference)

AgNi alloy contact

100mA

AgNi alloy + Au-clad contact

1mA

DC 5V

AC 5V

15V

30V

250V

The diagram above is intended as a reference. Please use the product within the rated voltage and current.

AECTB7E 201811-T

–1–

ABV (BV) Turquoise Switches

PRODUCT TYPES

(Color of plunger) AgNi alloy contact type: Black, AgNi alloy + Au-clad contact type: Red

■ AgNi alloy contact type

.187 Quick-connect terminal

Part number

Wire Leads

Part number

ABV1610403

ABV1610503

ABV1620403

ABV1620503

ABV1630403

ABV1630503

ABV1612403

ABV1612503

ABV1622403

ABV1622503

ABV1632403

ABV1632503

ABV1614403

ABV1614503

ABV1624403

ABV1624503

ABV1634403

ABV1634503

ABV1615403R

ABV1615503R

ABV1625403R

ABV1625503R

ABV1635403R

ABV1635503R

ABV1616403

ABV1616503

ABV1626403

ABV1626503

ABV1636403

ABV1636503

Operating Force OF,

Max.

Actuator

Contact form

SPDT

0.98 N

1.96 N

0.98 N

1.96 N

0.98 N

1.96 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

1.08 N

2.16 N

1.08 N

2.16 N

1.08 N

2.16 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

ABV1210403

ABV1210503

ABV1220403

ABV1220503

ABV1230403

ABV1230503

ABV1212403

ABV1212503

ABV1222403

ABV1222503

ABV1232403

ABV1232503

ABV1214403

ABV1214503

ABV1224403

ABV1224503

ABV1234403

ABV1234503

ABV1215403R

ABV1215503R

ABV1225403R

ABV1225503R

ABV1235403R

ABV1235503R

ABV1216403

ABV1216503

ABV1226403

ABV1226503

ABV1236403

ABV1236503

Pin plunger

Hinge lever

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

SPDT

Simulated roller lever

Short roller lever

Roller lever

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

■ AgNi alloy + Au-clad contact type

.187 Quick-connect terminal

Part number

Wire Leads

Part number

ABV1610413

ABV1610513

ABV1620413

ABV1620513

ABV1630413

ABV1630513

ABV1612413

ABV1612513

ABV1622413

ABV1622513

ABV1632413

ABV1632513

ABV1614413

ABV1614513

ABV1624413

ABV1624513

ABV1634413

ABV1634513

ABV1615413R

ABV1615513R

ABV1625413R

ABV1625513R

ABV1635413R

ABV1635513R

ABV1616413

ABV1616513

ABV1626413

ABV1626513

ABV1636413

ABV1636513

Operating Force OF,

Max.

Actuator

Contact form

0.98 N

1.96 N

0.98 N

1.96 N

0.98 N

1.96 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

1.08 N

2.16 N

1.08 N

2.16 N

1.08 N

2.16 N

0.59 N

1.18 N

0.59 N

1.18 N

0.59 N

1.18 N

ABV1210413

ABV1210513

ABV1220413

ABV1220513

ABV1230413

ABV1230513

ABV1212413

ABV1212513

ABV1222413

ABV1222513

ABV1232413

ABV1232513

ABV1214413

ABV1214513

ABV1224413

ABV1224513

ABV1234413

ABV1234513

ABV1215413R

ABV1215513R

ABV1225413R

ABV1225513R

ABV1235413R

ABV1235513R

ABV1216413

ABV1216513

ABV1226413

ABV1226513

ABV1236413

ABV1236513

SPDT

Pin plunger

Hinge lever

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

SPDT

Simulated roller lever

Short roller lever

Roller lever

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

SPDT

SPST-NC

SPST-NO

AECTB7E 201811-T

–2–

ABV (BV) Turquoise Switches

SPECIFICATIONS

■ Rating

Standard rating

Low-level rating

AgNi alloy + Au-clad contact

Plunger color: Red

3 A 250 V AC (OF 1.96 N), 1 A 250 V AC (OF 0.98 N)

6 V DC 5 mA, 12 V DC 2 mA, 24 V DC 1 mA

AgNi alloy contact

Plunger color: Black

5 A 250 V AC (OF 1.96 N), 3 A 250 V AC (OF 0.98 N)

—

■ Characteristics

Item

Mechanical life (OT: Speciﬁed value)

Nominal rating (OT: Max.)

Speciﬁcations

Min. 5x10⁶(at 60 cpm)

Min. 10⁵(at 20 cpm)

Expected life

Insulation resistance

Electrical life

Low-level rating (OT: Speciﬁed value)

Min. 10⁶(at 20 cpm) OF 0.98N type is Min 5 × 10⁵(at 20 com)

Min. 100 MΩ (at 500 V DC insulation resistance meter)

1,000 Vrms

Between non-continuous terminals

Dielectric

strength

Between each terminal and other exposed metal parts

Between each terminal and ground

2,000 Vrms

Vibration resistance

Shock resistance

10 to 55 Hz at single amplitude of 0.75 mm (Contact opening: max. 1 msec.)

Min. 294 m/s²(Contact opening: Max. 1 msec.)

Terminal type: Max. 50 mΩ

(by voltage drop 1 A 6 to 8 V DC)

Wire leads: Max. 100 mΩ

Terminal type: Max. 50 mΩ

(by voltage drop 0.1 A 6 to 8 V DC)

Wire leads: Max. 100 mΩ

AgNi alloy contact type

AgNi alloy + Au-clad contact type

Contact

resistance

Allowable operating speed

1 to 500 mm/sec.

Max. operating cycle rate

120 cpm

Ambient temperature

−40°C to +85°C

Unit weight

Approx. 7 g (Terminal type)

IP67 (except exposed terminal part of terminal type)

Protection grade

Note: Test conditions and judgement are complying with “NECA C4505”.

■ Operating characteristics

Movement

Differential

(MD) Max.

8th digit of

Part No.

Operating Force

(OF) Max.

Release Force

(RF) Min.

Pretravel

(PT) Max.

Overtravel

(OT) Min.

Operating position

(OP)

Actuator

0.98N

1.96N

0.59N

1.18N

0.59N

1.18N

1.08N

2.16N

0.59N

1.18N

0.25N

0.39N

0.098N

0.13N

0.098N

0.13N

0.20N

0.39N

0.098N

0.13N

1.6 mm

3.2 mm

1.6 mm

3.2 mm

0.4 mm

1.2 mm

0.5 mm

1.2 mm

0.8 mm

1.2 mm

0.8 mm

1.2 mm

14.7 0.6 mm

15.3 1.2 mm

18.5 1.2 mm

20.7 0.8 mm

20.7 1.2 mm

Pin plunger

Hinge lever

Simulated roller lever

Short roller lever

Roller lever

DIMENSIONS

(Unit: mm) General tolerance: 0.4

CAD Data The CAD data of the products with a “CAD Data” mark can be downloaded from our Website.

■ .187 quick-connect terminal

Pin plunger

External dimensions

CAD Data

PRETRAVEL (PT)

1.6Mａｘ.

20.2±0.3

Pretravel (PT) Max.

1.6mm

0.4mm

10.0

10.3

3.4

22.2±0.1

33.0

Movement Differential

(MD) Max.

2.8

Overtravel (OT) Min.

0.8mm

42.0

45.5

Operating Position

(OP)

14.7 0.6mm

AECTB7E 201811-T

–3–

ABV (BV) Turquoise Switches

Hinge lever

External dimensions

35.8±0.5

CAD Data

PRETRAVEL (PT)

3.2Mａｘ.

5.0

4.9

Pretravel (PT) Max.

3.2mm

1.2mm

Movement Differential

(MD) Max.

Overtravel (OT) Min.

1.2mm

Operating Position

(OP)

17.2

15.3 1.2mm

Simulated roller lever

External dimensions

PRETRAVEL (PT)

CAD Data

3.2Mａｘ.

32.8±0.5

Pretravel (PT) Max.

3.2mm

1.2mm

Movement Differential

(MD) Max.

Overtravel (OT) Min.

1.2mm

Operating Position

(OP)

18.5 1.2mm

Short roller lever

External dimensions

CAD Data

24.6±0.5

20.6±0.5

PRETRAVEL (PT)

1.6Mａｘ.

Pretravel (PT) Max.

1.6mm

0.5mm

Movement Differential

(MD) Max.

Overtravel (OT) Min.

0.8mm

Operating Position

(OP)

20.7 0.8mm

Roller lever

External dimensions

34.2±0.5

CAD Data

PRETRAVEL (PT)

3.2Mａｘ.

4.9

Pretravel (PT) Max.

3.2mm

1.2mm

Movement Differential

(MD) Max.

Overtravel (OT) Min.

1.2mm

Operating Position

(OP)

20.7 1.2mm

■ Wire Leads

External dimensions

Notes: 1. Dimensions of the actuator types are the

same as those of corresponding solder

and .187 quick-connect terminal types.

CAD Data

2. With UL and CSA approved products, lead

wire is changed to UL compliant (AWG18).

PRETRAVEL (PT)

20.2±0.3

1.6Mａｘ.

Thickness of the lead wire:

0.75mm²(Note 2)

Color of the lead wire

NC ......red

NO ......white

COM ...black

COM

3.4

10.0

10.3

22.2±0.1

36.0

15±2

300±10

2.8

AECTB7E 201811-T

–4–

Notes for Turquoise Switches (BJ, BS, BV type)

Notes forTurquoise Switches (BJ, BS, BV type)

CAUTIONS FOR USE (Common for BJ, BS and BV types)

■ Fastening of the switch body

■ Selection of the switch

1) Fasten the switch body onto a smooth surface using the

correct screw as shown in the chart below and tighten it with the

prescribed torque.

Allow for up to 20% variation of the speciﬁed characteristics

values to compensate for long term operational wear of the

switch in your design.

The switch case may deform depending on the type of screw

(screw head diameter, etc.), the size of the washer, and the use

or non-use of a washer. Therefore, please conﬁrm the

appropriate torque of actual conditions. Also, it is recommended

that adhesive be applied to lock the screws to prevent loosening

of the screws. When doing so, please be careful not let any

adhesive get inside the switch.

■ Cautions regarding use

1) When switching inductive loads (relays, solenoids, buzzers,

etc.), an arc absorbing circuit is recommended to protect the

contacts.

2) If switching of the contact is synchronized with the phase of

the AC power, reduced electrical life or welded contact may

occur.Therefore, test the switch while it is operating under actual

loads for this condition. If found, you may wish to take corrective

action in your design.

Screws

M1.2

M2.3

M3.0

M2.3

M3.0

Tightening torque

Not more than 0.098N·m

Not more than 0.29N·m

Not more than 0.49N·m

ABJ (BJ) switches

3) In the slow or high speed operating condition, the electrical

life might be greatly reduced depending upon the switching load.

Please consult us before use.

ABS (BS) switches

ABV (BV) switches

4) Using lever type in do not condition, there is the concern that

the ﬂexible part may be impeded and return movement may not

be possible. In this situation take the following precautions:

• Select a product of higher OF or use a leaf type lever.

• Attach a protective cover to the lever.

5) If the leaf lever type switch is excessively pushed (pushed

further than the operational limit position) or switching is done at

high speed or is accompanied by the impact, the lever will break.

Please be careful. Also, be careful with the short roller lever type

ABV (BV) switch as improper return may result from pressing

too much.

2) Fixed pin type

To secure the switch unit, thermally crimp or press-ﬁt the

mounting pins. If the pins are to be press-ﬁtted, install a guide on

the opposite surface to the mounting pins to prevent them from

slipping out of position and developing play.

3) Be sure to maintain adequate insulating clearance between

each terminal and ground.

4) The positioning of the switch should be such that direct force

is not applied to the pushbutton or actuator in its free position.

The operating force to the pushbutton should only be applied in

a perpendicular direction.

5) The standard value of overtravel used should be within the

range of 70% to 100% of the rated OT value.

■ Protection from dust, water and corrosive gas

1) The pin button and the space around the body cap Turquoise

switches are sealed with elastic material, the terminal portion is

integrally molded. This prevents dust entry and protects the

switch against corrosive gases. Wireleaded types are

recommended for applications subject to water or oil splash.

However, avoid soaking these immersion protected types in oil

or water, because those types are not of completely oil tight

construction.

6) When soldering the BV type turquoise switch or the

immersion protected type of the BJ and BS type switches, the

sealing material sometimes forms a lump or bulge at the base of

the terminal or lead. Be sure to allow enough space for this

when attaching the switch.

■ Soldering operations

1) Manual soldering: Perform soldering in less than 3 seconds

with maximum 350°C iron. Care should be taken not to apply

force to the terminals during soldering. We recommend a

soldering iron with temperature adjustment in order to prevent

poor quality soldering.

Please consult us if you intend to use a soldering iron of 60 W or

higher.

2) Terminal portions should not be moved within 1 minute after

soldering.

2) Switch operation or rapid temperature change while water

droplets are on the switch may cause the water invasion inside

the switch because of breathing action on condensation.

Especially do not use switch in a bath.

If sources of silicon gas are existing in the vicinity of the switch

(silicon rubber, silicon oil, silicon coating, and silicon ﬁller, etc.),

silicon gas (low molecular siloxane, etc.) will be emitted and it

will get into the product due to the permeability of the plastic.

If the switch is used or stored in such an environment, silicon

compound might generate on the contacts, cause the and faulty

contacting. Therefore, please do not use sources that can emit

silicon gas in the vicinity of the switch.

Soldering time

ABJ (BJ) switches

ABS (BS) switches

ABV (BV) switches

Within 3 seconds

Within 5 seconds

Do not use in areas where ﬂammable or explosive gases from

gasoline and thinner, etc., may be present.

AECTB35E 201510-T

–5–

Notes for Turquoise Switches (BJ, BS, BV type)

• Dust protection test

• Hydrogen sulﬁde exposure test

Test conditions: The talcum powder used shall be able to pass

through a square- meshed sieve the nominal wire diameter of 7

μm. The amount of talcum powder to be used is 2 kg per cubic

metre of the test chamber volume. The duration of the test is 8

hours.

Test conditions: Concentration: 3 ppm, Temperature: 40°C

104°F, Humidity: 75% RH

100Ω

Typical products

10Ω

No damage observed after the test.

1Ω

100mΩ

10mΩ

Turquoise switches

1Ω

100mΩ

100

200

300

400

500

Standard

value 8 hours

Elapsed time (h)

10mΩ

■ Oil-proof and chemical-proof characteristics

The rubber elastomer swells when exposed to oil and chemicals.

The extent of swelling will vary widely depending on the type and

amount of oil and chemicals.

10 12 14 16 18 20 22 24

Elapsed time (h)

• Waterproof test

Test conditions: Immersion protected IP67 switches ...

Submerge at 1 m below the water surface for 30 minutes.

Check with the actual oil or chemicals used.

In particular, be aware that solvents such as freon, chlorine, and

toluene cannot be used.

■ Washability [ABJ (BJ) and ABS (BS)]

Do not clean the switch. Doing so can cause problems. Please

1000

100

Standard value

30 minutes

10 12 14 16 18 20 22 24

Elapsed time (h)

REFERENCE

■ Dust-protected type

• Level of protection indicated by the 1st Characteristics number

This type of construction prevents dust that is large enough to

have an effect on operation from getting inside the unit. This

construction is stipulated by protective classes against solid

matter in the IEC standards (IEC60529).

The talcum powder used shall be able to pass through a square-

meshed sieve the nominal wire diameter of 7 μm.The amount of

talcum powder to be used is 2 kg per cubic metre of the test

chamber volume. The duration of the test is 8 hours.

No damage observed after the test.

1st

Protection level (IEC60529/Solid matter)

Characteristics number

No protection

Protected against solid matter larger than 50mm

Protected against solid matter larger than 12mm

Protected against solid matter larger than 2.5mm

Protected against solid matter larger than 1.0mm

Dust-protected type

Prevents dust that is large enough to have an effect

on operation from getting inside the unit

Dust-resistant type

Prevents dust from getting inside the unit

■ Immersion-protected type

This type of construction prevents any harmful effects even after

the device is left underwater at a depth of 1 m for 30 minutes.

This construction is stipulated by protective classes against

water in the IEC standards (IEC60529).

• Level of protection indicated by the 2nd Characteristics number

2nd

JIS C0920

Characteristics Protection level (IEC60529/Liquid matter)

number

No protection

■ IEC’s IP Codes

Droplet-protected

type I

Protected against water droplets that fall

perpendicular to the unit

The IEC (International Electrotechnical Commission) has

deﬁned the IP characteristic code that represents the levels of

protection described in IEC standard (IEC60529).

The two numbers that follow the IP code (the characteristics

numbers) indicate the suitability of this protection for all

environmental conditions.

Droplet-protected

type II

Protected against water droplets that fall

from within 15° of perpendicular to the unit

Protected against water droplets that fall

from within 60° of perpendicular to the unit

Protected against water that splashes on

the unit from any direction

Rain-protected

type

Splash-protected

type

Spray-protected

type

Free from adverse effects even if sprayed

directly with water from any direction

Water-resistant

type

Protected against water sprayed directly

on the unit from any direction

1st characteristics number

2nd characteristics number

Water does not get inside of the unit when

submerged in water according to the

speciﬁed conditions

Immersion-

protected type

Underwater type

Unit can be used underwater

Note: Details of test conditions are the same as NECA C 0920. Please refer to them.

AECTB35E 201510-T

–6–

Technical Terminology & Cautions for Use

TechnicalTerminology & Cautions for Use

(Detection Switches)

TECHNICAL TERMINOLOGY

■ Detection Switches

■ Contact form

This refers to the

components

determining the type

of application which

make up the electrical

input/output circuits in

the contact.

A compact switch equipped with an enclosed micro-gap snap-

action contact mechanism that makes a speciﬁed motion with a

speciﬁed force to open/close a circuit, and an actuator outside

the enclosure (hereinafter referred to as the switch)

SPDT

SPST-NC

SPST-NO

■ Actuator

A part of the switch that transmits the received external force to

an internal spring mechanism to move the movable contact so

that the switch can be opened and closed

■ Actuator stopper

■ Insulation resistance

A part of the switch to limit the actuator movement in the switch

operation direction

Resistance between non-continuous terminals, each terminal

and other exposed metal parts and between each terminal and

ground.

■ Rated values

Values indicating the characteristics and performance guarantee

standards of the snap-action switches. The rated current and

rated voltage, for instance, assume speciﬁc conditions (type of

load, current, voltage, frequency, etc.).

■ Dielectric

Threshold limit value that a high voltage can be applied to a

predetermined measuring location for one minute without

causing damage to the insulation.

■ Mechanical life

■ Contact resistance

The service life when operated at a preset operating frequency

without passing electricity through the contacts. (The life test is

performed at a switching frequency of 60 times/minute and

operating speed of 100 mm/second at the regular cam.)

This indicates the electrical resistance at the contact part.

Generally, this resistance includes the conductor resistance of

the spring and terminal portions.

■ Vibration resistance

■ Electrical life

Malfunction vibration ... Vibration range where a closed contact

does not open for longer than a speciﬁed time due to vibrations

during use of the snap-action switches.

The service life when the rated load is connected to the contact

and switching operations are performed. (The life test is

performed at a switching frequency of 20 times/minute and

operating speed of 100 mm/second at the regular cam.)

■ Shock resistance

Shock durability ... Shock range where the mechanical shocks

received during snap-action switches transport and installation

do not damage the parts or harm the operating characteristics.

Malfunction shock ... Shock range where a closed contact does

not open for longer than a speciﬁed time due to shocks during

use of the snap-action switches.

AECTB36E 201811-T

–7–

Technical Terminology & Cautions for Use

OPERATING CHARACTERISTIC

■ Deﬁnition of operating characteristic

The main terminological illustrations and

meanings which are used with snap-

action switches are as follows.

Varying

display

method

Classiﬁcation Terminology Symbol

Unit

Starting current

The force required to cause contact snap-action. It

is expressed terms of force applied to the the

actuator.

Operating

Force

Max.

Min.

The force to be applied to the the actuator at the

moment contact snaps back from operated

position to total travel position.

Force

Release

Force

Totaltravel

Force

Force applied to an actuator required to move from

an operating position to a total travel position

TTP

mm,

degree

Distance or agree of the actuator movement from

free position to operating position.

Pretravel

Max.

Min.

Max.

The distance or degree which the actuator is

permitted to travel after actuation without any

damage to the switching mechanism.

mm,

degree

Overtravel

Movement

Differential

mm,

degree

The distance or degree from operating position to

release position of the actuator.

mm,

degree

The migration length or the move angle from the

free position to total travel position of actuator

Totaltravel

Center of mounting holes

Free

Position

mm,

degree

Position of the actuator when no force is applied

to.

Operating

Position

mm,

degree

The position of the actuator when the traveling

contacts snaps with the ﬁxed contact.

Position

The position of the actuator when the traveling

contact snaps back from operating position to its

original position.

Release

Position

mm,

degree

Total travel

Position

mm,

degree

The stopping position of the actuator after total

travel.

TTP

TECHNICAL NOTES ON MECHANICAL CHARACTERISTICS

■ Actuation Force and Stroke

■ Changes in Operating Characteristics

Adequate stroke setting is the key to high reliability. It is also

important that adequate contact force be ’maintained to ensure

high reliability. For a normally closed (NC) circuit, the driving

mechanism should be set so that the actuator is normally in the

free position. For a normally open (NO) circuit, the actuator

should be pressed to 70% to 100% of the speciﬁed stroke to

absorb possible errors.

Exercise design care so that malfunctions will not occur if the

operating characteristics vary by as much as 20% from, rated

values.

In the OF max. 0.98N speciﬁcation for FS snap-action switches,

the allowable max. is 0.98 N × (100%+20%) = 1.18 N

In the RF min. 0.15 N min. speciﬁcation

If the stroke is set too close to the operating point (OP), this may

cause unstable contact, and in the worst case may cause

actuator damage due to inertia of the drive mechanism. It is

advisable that the stroke be adjusted with the mounting plate or

driving mechanism.

the allowable min. 0.15 N × (100%–20%) = 0.12 N

■ Mechanical Conditions for Type Selection

Actuator type should be selected according to activation

method, activation speed, activation rate, and activation

frequency.

The ﬁgure at right

shows a typical

example of activation

1) An extremely slow activation speed may cause unstable

contact transfer, possibly resulting in contact failures or contact

fusion.

and contact forces

varying with stroke.

2) An extremely high activation speed may cause damage to

contacts or contact response failure.

In the vicinity of the

OP and RP, the

TTP

Stroke

■ Driving Mechanism

contact force is

Use of a driving mechanism which will cause physical impact to

diminished, causing

chatter and contact

bounce immediately

before or after

reversal. For this

reason, use the

the actuator should be avoided.

On FP

On reversal

Stroke

On reversal

On OTP

switch while giving

due consideration to

this.This also causes

the snap action

Bad

Good

switch to be sensitive

to vibration or shock.

AECTB36E 201811-T

–8–

Technical Terminology & Cautions for Use

TECHNICAL NOTES ON ELECTRICAL CHARACTERISTICS

1) The snap-action switch is designed for AC operations.While it

has small contact gaps and no arc absorber, it may be used for

low-capacity DC operations.

Please refer to the rating of each products

2) For applications with very small switching voltage or current,

choose the low-level load type (Au contact).

beginning of use. However, as the contact surfaces develop ﬁlms

with time, the ﬁlm may not be broken by the switching operation,

causing a conduction failure. Therefore, please choose the Au

contact type for switching a load of 0.1 A or below.

4) Application to Electronic Circuits

• The snap-action switch contacts can sustain bounce or chatter

when closed. Bounce or chatter can cause noise or pulse count

errors when the snap action switch is used in electronic circuits.

• If contact bounce or chatter poses problems in the vicinity of

the OP and RP, use a suitable absorption network, such as a C/

R network.

Small current and voltage application range (Au contact)

500

5) Check the surge current, normal current and surge duration.

6) Contact resistance given in performance speciﬁcations is

measured with a voltage drop method using 6 to 8 V DC, 1 A

(except for low-level load type). Contact resistance across COM

and NC terminals is measured in the free position, while contact

resistance across COM and NO terminals is measured in the

total travel position.

100

7) To prevent contact welding failure, be sure to use a serial

resistance for each capacitive load.

8) If snap-action switch operation is synchronized with the AC

supply phase, this may cause: shortened electrical life, contact

fusion failure, contact transfer, or other reliability problems.

DC voltage (VDC)

3) When selecting a contact type of a snap-action switch to be

used for low-level load switching, the following should be noted.

Silver contacts’ surfaces are prone to be oxidized and form a

sulﬁde ﬁlm. The switch operates with no problems at the

CAUTIONS IN A CIRCUIT

1) Contact protection is recommended when snap-action

switches are used in an inductive load circuit.

2) Do not connect the

contacts on individual

switches to different

type or different poles of

the power supply.

Examples of power

supply connections

(connection to different

poles)

Wrong

Lamp load

Circuit diagram

Cautions for use

(1) r = more than 10 Ω

(2) In an AC circuit

Contact for snap-action switch

Impedance of R is to be slightly smaller

than impedance of r and c.

Solenoid load

Right

Lamp load

Can be used for both AC and DC.

Impedance of r is nearly equal to

impedance of R.

Contact for snap-action switch

Solenoid load

Load connected to same pole

C: 0.1 μF

Example of wrong

power supply

connection (connection

to different poles of

power supply)

Wrong

Load

(1) For DC circuits only.

Contact for snap-action switch

diode

This may lead to mixed

DC and AC.

Can be used for both AC and DC.

Contact for snap-action switch

Load

ZNR

Varistor

Wrong

3) Avoid circuits which

apply voltage between

contacts. (This may lead

to mixed deposition.)

200V

100V

AECTB36E 201811-T

–9–

Technical Terminology & Cautions for Use

MOUNTING STATE AND ENVIRONMENT

■ Checking the insulation distance

■ Soldering precautions

After mounting and wiring, check the insulation distance

between terminals and the ground. If the insulation distance is

inadequate, mount insulating material between as required.

For manual soldering, lay the terminals ﬂat (horizontal with the

ground) and quickly perform the soldering operation using a

soldering iron with the appropriate heat capacity and the proper

amount of solder. Take care that the ﬂux does not ﬂow into the

switch interior by using a ventilation fan to discharge ﬂux gas

and to prevent contact of the switch body with the soldering iron

tip.

■ Fastening the snap-action switch body

See the Section “CAUTIONS FOR USE” for the individual

switch.

Be careful not to apply force to the lead wires or the terminal

portions immediately after soldering.

■ Position adjustment with effector

1) The effector should be positioned so that direct force is not

applied to the plunger or actuator in its free position. The

operating force to the plunger should only be applied in a

perpendicular direction.

2) Note that the use of the switch as a stopper may cause an

operational problem.

The temperature setting and time conditions vary depending on

the product.

See the section “CAUTIONS FOR USE” for each product.

Soldering iron tip

■ Switch installation position

• Basically, the switch should be installed so that the object to

press the switch’s plunger or lever can press it down to 70 to

100% of OT of the switch. When determining the position, the

tolerance of OP (Operating Position) and other factors should be

taken into account.

Wrong

Correct

The following describes the case where the strictest tolerance

conditions are adopted.

■ Avoid using in a silicon atmosphere

• Example: Hinge lever type FS switch

Avoid using organic silicon rubber, adhesives, sealing

compounds, oil, grease, and wires in a silicon atmosphere.

Reference values: OP = 8.8 0.8mm

PT = max. 2.8mm

■ Please consult us when using under the following

conditions*:

1) Environments where hydrogen sulﬁde or other corrosive

OT = min. 1.2mm

gases are present.

2) Environments where gasoline, thinner or other ﬂammable,

explosive gases are present.

TTP

3) Dusty environments (for non-seal type snap action switches).

4) The perpendicular operating speed exceeds the allowable

operating speed.

5) Switching between different poles.

6) Use in environments not in the prescribed temperature or

humidity range.

(1) When the switch is not pressed

The object to press the lever should not be in contact with

the lever.

For this purpose, the object should be at a distance from

the switch father than the maximum FP (Free Position)

value.

FP max = OP max + PT max = 9.6 + 2.8 = 12.4 mm max

The object should be at a distance of 12.4 mm or more

from the mounting hole.

■ Storage precautions

To prevent discoloration due to sulfurization of the terminals

(silver- plated), store the switches in a polyethylene bag or other

suitable airtight container.

(2) Depressed position

The plunger/lever should be pressed down to 70% or

more of OT (Over Travel). Therefore, the depressed

position should be calculated based on the minimum

value of OP (Operating Position) and the 70 and 100% of

the OT value.

OP min - 70% of OT = 8.0 - 0.84 = 7.16 mm

OP min - 100% of OT = 8.0 - 1.2 = 6.80 mm

The plunger/lever should be pressed down to the position

of 6.80 to 7.16 mm from the mounting hole.

AECTB36E 201811-T

–10–

Technical Terminology & Cautions for Use

■ Usage, storage, and transport conditions (except

turquoise switches)

During usage, storage, or transportation, avoid locations subject

to direct sunlight and maintain normal temperature, humidity,

and pressure conditions.

■ We reserve the right to modify without notice the

materials, internal components, and other parts to improve

product quality.

■ Handling precautions

The allowable speciﬁcations for environments suitable for usage,

storage, and transportation are given below.

When handling the switches, be careful not to drop them on the

ﬂoor since this may damage them.

1) Temperature: The allowable temperature range differs for

each switch, so refer to the switch’s individual speciﬁcations. In

addition, when transporting or storing switches while they are

tube packaged, there are cases when the temperature may differ

from the allowable range. In this situation, be sure to consult the

individual speciﬁcations.

2) Humidity: The allowable temperature range differs for each

switch, so refer to the switch’s individual speciﬁcations.

3) Pressure: 86 to 106 kPa

* Select contact sulfurization (clipping) prevention products (FS and Au-clad double

layer contacts) for use with extremely small loads or an environment-resistant

Turquoise switch.

■ Others

1) Failure modes of switches include short-circuiting, open-

circuiting and temperature rises. If this switch is to be used in

equipment where safety is a prime consideration, examine the

possible effects of these failures on the equipment concerned,

and ensure safety by providing protection circuits or protection

devices. In terms of the systems involved, make provision for

redundancy in the design and take steps to achieve safety

design.

The humidity range varies with the temperature. Use within the

range indicated in the graph below.

Humidity, %R.H.

2) The ambient operating temperature (and humidity) range

quoted is the range in which the switch can be operated on a

continuous basis: it does not mean that using the switch within

the rating guarantees the durability performance and

environment withstanding performance of the switch. For details

on the performance guarantee, check the speciﬁcations of each

product concerned.

Tolerance range

(Avoid freezing when

used at temperatures

lower than 0°C 32°F)

(Avoid

condensation when

used at temperatures

higher than 0°C 32°F)

–40

+85

–40

+32

+185

Temperature, °C °F

(The allowable temperature depends on the switch.)

• Condensation will occur inside the switch if there is a sudden

change in ambient temperature when used in an atmosphere of

high temperature and high humidity. This is particularly likely to

happen when being transported by ship, so please be careful of

the atmosphere when shipping. Condensation is the

phenomenon whereby steam condenses to cause water

droplets that adhere to the switch when an atmosphere of high

temperature and humidity rapidly changes from a high to low

temperature or when the switch is quickly moved from a low

humidity location to one of high temperature and humidity.

Please be careful because condensation can cause adverse

conditions such as deterioration of insulation, coil cutoff, and

rust.

• Condensation or other moisture may freeze on the switch when

the temperatures is lower than 0°C 32°F. This causes problems

such as sticking of movable parts or operational time lags.

• The plastic becomes brittle if the switch is exposed to a low

temperature, low humidity environment for long periods of time.

• Storage for extended periods of time (including transportation

periods) at high temperatures or high humidity levels or in

atmospheres with organic gases or sulﬁde gases may cause a

sulﬁde ﬁlm or oxide ﬁlm to form on the surfaces of the contacts

and/or it may interfere with the functions. Check out the

atmosphere in which the units are to be stored and transported.

• In terms of the packing format used, make every effort to keep

the effects of moisture, organic gases and sulﬁde gases to the

absolute minimum.

AECTB36E 201811-T

–11–

Technical Terminology & Cautions for Use

■ Types of actuators

Operating

Force

(OF)

Pretravel Overtravel

Vibration

Shock

Shape

Classiﬁcation

Features

(PT)

(OT)

Appropriate for linear short-stroke action. Pin plunger acts directly on snap

action mechanism, enabling high-precision positioning. Amount of movement

standing after operation is smallest among all of the actuators, however, so reliable

stopper is required.

Out-

Pin plunger

Small

Large

Small

Little force required for operation. Appropriate for use with low-speed cams and

Possible dogs; has large stroke.

Hinge lever

Large

Medium

Large

Lever available in various shapes to ﬁt operating unit.

Simulated roller

lever

Possible Tip of hinge lever is bent into a semi-circle, enabling use as a simple roller type.

Play in lever is used to assure maximum stroke. Construction provides for

Excellent

Leaf lever

space where lever is attached, for outstanding resistance to freezing.

This is a hinge lever with a roller, and can be used with high-speed cams and

dogs.

The force required for pin plunger action is lighter than that of the lever, and the

Hinge roller lever

Medium

Possible

stroke is longer.

AECTB36E 201811-T

–12–

ABV1225513R [PANASONIC]

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