SCB25P15A-4BB [NKK]

Snap Switch Pushbuttons;


型号：	SCB25P15A-4BB
厂家：	NIHON KAIHEIKI INDUSTRY CO. LTD.
描述：	Snap Switch Pushbuttons
文件：	总3页 (文件大小：110K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Snap Switch Pushbuttons

Series SCB

GENERAL SPECIFICATIONS

Electrical Capacity

Resistive Load: 15A & ⁄

HP @ 125 or 250V AC for high capacity models

Lamp Load: 5A @ 125V AC

Other Ratings

Contact Resistance: 15 milliohms maximum

Insulation Resistance: 100 megohms minimum @ 500V DC

Dielectric Strength: 1,000V AC minimum between contacts for 1 minute minimum;

1,500V AC minimum between contacts & case for 1 minute minimum

Mechanical Life: 1,000,000 operations minimum

Electrical Life: 50,000 operations minimum

Travel: Pretravel .047” (1.19mm); Overtravel .040” (1.01mm); Differential .011” (0.27mm)

Operating Temp Range: –40°C through +85°C (–40°F through +185°F)

Materials & Finishes

Caps & Shrouds: Polycarbonate with glossy ﬁnish or PBT

Plunger: Polyacetal or brass with nickel plating

Bushing: Steel with zinc plating or glass ﬁber reinforced polyamide

Case: Polyester

Movable & Stationary Contacts: Silver alloy

Terminals: Brass with silver plating

Standards & Certifications

UL: Internal snap switch is UL recognized.

CSA: Internal snap switch is CSA certiﬁed.

TYPICAL SWITCH ORDERING EXAMPLE

SCB 2 5 P 15 A

4 CA

Poles

Caps & Shrouds

SPDT

DPDT

For Momentary

Terminals

.520” (13.2mm) Diameter Cap

.187” (4.75mm) Quick Connect

For Momentary & Alternate Action

Circuits

* B .250” (6.35mm) Quick Connect

Round Cap & Shroud

(AT454 & AT455)

ON (ON)

Note: Contact factory for availability of

screw lug and solder lug models.

Rectangular Cap & Shroud

(AT452 & AT453)

* Available in Americas only

( ) = Momentary

Bushings

Colors

Plastic (with

Caps

Shrouds

DESCRIPTION FOR TYPICAL ORDERING EXAMPLE

SCB25P15A-4CA

momentary only)

Black

White

Red

–

Steel

Round Red Cap with

Black Shroud

Rating

15 15A

Green

Blue

–

Plastic Bushing

DPDT

Gray

ON-(ON) Circuit

.187” (4.75mm)

Quick Connect

Terminals

15A Rating

Note: Standard hardware is provided with caps. See Bushing detail for more information.

www.nkk.com

C131

Series SCB

Snap Switch Pushbuttons

POLES & CIRCUITS

Plunger Position

( ) = Momentary

Connected Terminals

Throw & Schematics

Normal

Down

Normal

Down

Note: Terminal numbers are

actually on the switch.

Pole

Model

Keyway

SCB15

SCB16

(ON)

1-2

1-3

SPDT

SCB25

SCB26

(ON)

SP with

2 switches

1-2 1-2

1-3 1-3

BUSHINGS

Plastic

(for Momentary only)

Steel

“A” =

11.2mm

Momentary

(10.0)

.394

15.5mm

Alternate Action

(12.5) Dia

.492

(12.5) Dia

.492

(11.5)

.453

(11.5)

.453

Maximum Effective Panel Thickness:

.165” (4.2mm) without Shroud

.157” (4.0mm) with Shroud

Maximum Effective Panel Thickness:

Momentary: .177” (4.5mm) without Shroud

.157” (4.0mm) with Shroud

(1.5)

.060

(1.5)

.060

Alternate Action: .354” (9.0mm)

Standard Hardware Provided with Caps

Cap Option 3: AT504M Knurled Face Nut, AT508 Lockwasher, AT527M Hex Mounting Nut

Cap Options 4 & 5: AT508 Lockwasher & AT527M Hex Mounting Nut

TERMINALS

.187” (4.75mm)

Quick Connect

.250” (6.35mm)

Quick Connect

(10.54)

.415

(10.16)

.400

(8.38)

.330

(9.78)

.385

(3.18)

.125

(4.06)

.160

(4.75)

.187

(6.35)

.250

Thk = (0.81)

Thk = (0.5)

.020

.032

C132

www.nkk.com

Snap Switch Pushbuttons

Series SCB

TYPICAL SWITCH DIMENSIONS

.520” (13.2mm) Dia. Cap • .187” (4.75mm) Quick Connect

(5.84)

.230

(4.75)

.187

(3.18)

.125

(0.5) Typ

.020

(1.02)

NO 3 .040 (13.97)

.550

(9.78)

.385

(10.16)

.400

NC 2

M12 P1

(4.5)

.177

(28.83)

1.135

(22.23)

.875

(28.0)

1.102

COM

(13.2) Dia

.520

(11.0)

(7.85) Max

.309

(10.16)

.400

(18.0)

.709

(10.3)

.406

(21.6)

.850

Keyway

(11.2)

.441

.433

(14.2)

.559

SCB15S15A-3C

Round Cap & Shroud • .187” (4.75mm) Quick Connect

(14.0)

.551

(5.84)

.230

(4.75) Typ

.187

(3.18)

.125

(0.5) Typ

.020

(1.02)

NO 3 .040 (13.97)

.550

Shown with (4.0) Panel

.157

(9.78)

.385

(10.16)

.400

NC 2

(22.23)

.875

(28.83)

1.135

(28.2)

1.110

COM

(17.7) Dia

.697

(24.0) Dia

.945

(10.3)

.406

(7.85) Max

.309

M12 P1

(2.0)

.079

(12.0)

.472

(21.2)

.835

(0.6)

.024

(20.32)

.800

(27.0)

1.063

(22.1)

.870

SCB25P15A-4CA

Rectangular Cap & Shroud • .250” (6.35mm) Quick Connect

(20.7)

.815

(8.08)

.318

(6.35) Typ

.250

Shown with (4.0) Panel

.157

(0.81) Typ

.032

(4.06)

.160

NC 2 NO 3

(1.02)

.040 (14.35)

.565

(8.38)

.330

(10.54)

.415

M12 P1

(22.23)

.875

(28.83)

1.135

(28.4)

1.118

COM

(19.4)

.764

(26.2)

1.031

(10.3)

.406

(21.6)

.850

(7.85) Max

.309

Keyway

(2.0)

.079

(12.0)

.472

(20.32)

.800

(15.4)

.606

(21.0)

.827

(48.1)

1.893

(27.0)

1.063

SCB26S15B-5CA

www.nkk.com

C133

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