SB221TNC [ETC]

Low/Medium Capacity Pushbuttons;


型号：	SB221TNC
厂家：	ETC
描述：	Low/Medium Capacity Pushbuttons
文件：	总3页 (文件大小：115K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Series SB

Low/Medium Capacity Pushbuttons

GENERAL SPECIFICATIONS FOR SB25, SB60s, SB221s, SB265

Electrical Capacity (Resistive Load)

Power Level: Shown in the following tables

Other Ratings

Contact Resistance: 10 milliohms maximum

Insulation Resistance: 200 megohms minimum @ 500V DC for SB221s, SB25, & SB265;

1,000 megohms minimum @ 500V DC for SB60s.

Dielectric Strength: 1,500V AC minimum for SB265 & SB25 for 1 minute minimum;

2,000V AC minimum between contacts for SB221s & SB60s for 1 minute minimum;

1,500V AC minimum between contacts & case for SB221s & SB60s for 1 minute minimum

Mechanical Life: 50,000 operations minimum for SB221s;

30,000 operations minimum for SB25, SB60s, SB265

Electrical Life: 10,000 operations minimum

Total Travel: SB221s .116” (2.95mm); SB60s .094” (2.4mm); SB265 .213” (5.4mm);

SB25 .195” (4.95mm)

Operating Temp Range: –10°C through +70°C (+14°F through +158°F)

Materials & Finishes

Cap: Polybutylene terephthalate (PBT) (AT414)

Plunger: Polyacetal or brass with nickel plating

Bushing: Brass with nickel plating

Case: Phenolic resin or melamine phenolic resin

Case Cover: Steel with zinc plating

Movable & Stationary Contacts: Copper with silver plating for SB221s; silver alloy with silver plating for SB25, SB60s, & SB265

Terminals: Copper with tin plating for SB25 & SB60s; copper with silver plating for SB265

Installation

Soldering Time & Temp: Manual Soldering (Solder Lug): See Proﬁle A in Supplement section.

Standards & Certifications

UL: File No. E44145 - Recognized only when ordered with marking on switch.

Add “/U” or “/CUL” to end of part number to order UL recognized switch.

UL or cULus recognition designated beside part numbers on following pages.

See Supplement section to ﬁnd UL or cULus rating details.

CSA: File No. 023535_0_000 - Certiﬁed only when ordered with marking on switch.

Add “/C” to end of part number to order CSA certiﬁed switch.

CSA certiﬁcation designated beside part numbers on following pages.

See Supplement section to ﬁnd CSA rating details.

C128

www.nkk.com

Low/Medium Capacity Pushbuttons

Series SB

SINGLE POLE WITH SOLDER LUG * OR SCREW LUG

* UL, cULus & CSA recognized only when ordered with marking

on switch (see General Specs)

Pushbutton Position/Connected Terminals

Electrical Capacity (Resistive)

( ) = Momentary

*Approvals

Pole &

Normal

Down

125V

250V

Keyway

Model

Throw

SB221NO

SB221NC

SB221TNO

SB221TNC

––

SPST

OFF

–

1-4

–

(ON)

(OFF)

(ON)

(OFF)

1-4

—

1-4

—

1.5A

1-4

Throw &

Schematic:

SPST

SB221NO

SPST

SB221NC

Note: Terminal numbers are

actually on the switch.

Sufﬁx T =

Screw Lug

Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Hex Backup Nut. See Accessories & Hardware section.

* Wire harness & cable assemblies offered only in Americas.

M12 P1

Keyway

(8.0)

.315

(7.0)

.276

(0.8)

.031

M3 x P0.5 x 4

(13.2) Dia

.520

(25.5)

1.004

(12.5) Dia

.492

(8.0)

.315

(11.5)

.453

(2.4) Dia

.094

(1.5)

.060

(13.2)

.520

(0.8)

.031

(11.0)

.433

(12.0)

.472

(15.7)

.618

SB221NO

Supplied with

AT414 Black Cap

Dimension A: .185” (4.7mm) for NO model & .150” (3.8mm) for NC model.

Dimension B Plunger Extension: .197” (5.0mm) for NO model & .161” (4.1mm) for NC model.

Panel Thickness

.193” (4.9mm)

DOUBLE POLE WITH SOLDER LUG *

* UL & cULus recognized only when ordered with

marking on switch (see General Specs)

Electrical Capacity (Resistive)

Pushbutton Position/Connected Terminals ( ) = Momentary

*Approvals

Normal

Down

Pole &

Throw

125V

250V

Keyway

Model

SB61A

SB61B

SB63A

––

2-3 5-6

(ON)

2-1 5-4

10A

1.5A

––

DPDT

(ON)

(ON) or Lockdown ON

10A

Lockdown for SB63A is

achieved by actuating and then

turning the button clockwise.

(COM)

Note: Terminal numbers are

actually on the switch.

DPDT

Throw &

Schematic:

Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Hex Backup Nut. See Accessories & Hardware section.

* Wire harness & cable assemblies offered only in Americas.

M12 P1

Keyway

(2.4) Dia Typ

.094

(12.5) Dia

.492

(11.5)

.453

(4.8) Typ

.189

(31.2)

1.228

(13.2) Dia

.520

COM

(1.5)

.060

(5.6)

.220

(11.0)

.433

(5.7)

.224

(14.0)

.551

(25.7)

1.012

(0.8) Typ

.031

(18.6)

.732

SB61A

Supplied with

AT414 Black Cap

Panel Thickness

.193” (4.9mm)

Dimension A: .169” (4.3mm) for SB61 model and .130” (3.3mm) for SB63 model.

www.nkk.com

C129

Series SB

Low/Medium Capacity Pushbuttons

DOUBLE POLE WITH SOLDER LUG *

* UL, cULus & CSA recognized only when ordered with

marking on switch (see General Specs)

Electrical Capacity (Resistive)

Pushbutton Position/Connected Terminals ( ) = Momentary

*Approvals

Normal

Down

Pole &

Model

125V

250V

Keyway

Throw

SB25

DPDT

2-3 5-6

2-1 5-4

15A

(COM)

DPDT

Throw &

Schematic:

Note: Terminal numbers are

actually on the switch.

Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Hex Backup Nut. See Accessories & Hardware section.

* Wire harness & cable assemblies offered only in Americas.

(2.4) Dia

.094

Keyway

M12 P1

(12.5) Dia

.492

(4.8) Typ

.189

4 1

(11.5)

.453

COM

(31.2)

1.228

(13.2) Dia

.520

(8.0)

.315

(1.5)

.060

(7.0)

.276

(4.7)

.185

(19.2)

.756

(11.0)

(5.7)

(14.0)

.551

(26.7)

1.051

.433 .224

SB25

Supplied with

AT414 Black Cap

Panel Thickness

.193” (4.9mm)

SINGLE POLE WITH SOLDER LUG *

* UL, cULus & CSA recognized only when ordered with

marking on switch (see General Specs)

Pushbutton Position/Connected Terminals

Electrical Capacity (Resistive)

( ) = Momentary

*Approvals

Pole &

Normal

Down

125V

250V

Keyway

Model

Throw

SB265

SPST

1-4

OFF

—

Throw &

Schematic:

SPST

Note: Terminal numbers are

actually on the switch.

Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Hex Backup Nut. See Accessories & Hardware section.

* Wire harness & cable assemblies offered only in Americas.

Keyway

M12 P1

(12.5) Dia

.492

(25.5)

1.004

(10.7) Dia

.421

(9.0)

.354

(3.0) Dia

.118

(5.1)

.201

(10.0)

.394

(2.4) Dia

.094

(13.2)

.520

(6.7) (5.3)

.264 .209

(14.5)

.571

(14.9)

.587

(1.0) Typ

.039

SB265

Supplied with Chrome

Plated Brass Cap

Panel Thickness

.291” (7.4mm)

C130

www.nkk.com

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