APEM

www.apem.com

B2-107

B2

1200 series

Momentary pushbutton switches - round plunger

Distinctive features and specifications

❑

Butt action contacts, double break

❑

NF (EN 61058-1), UL and CSA approved

MATERIALS

• Case : polyamide

• Plunger : polyamide

• Bushing : brass, nickel plated

• Contacts :

A : silver

C : copper, silver plated

AGENCY APPROVALS

Models 1233X209 and 1233X209L are standard marked NF.

To order switches marked NF, UL or CSA, complete appropriate box of

ordering format.

ELECTRICAL SPECIFICATIONS

• Max. current/voltage rating with resistive load :

- silver contacts (A) : 4A 250VAC - 8A 125VAC - 4A 24VDC - 8A 12VDC

- silver plated copper contacts. (C) : 2A 250VAC - 3A 125VAC

2A 24VDC - 3A 12VDC

• Initial contact resistance : 10 mΩ

• Insulation resistance : 1.000 MΩ min. at 500VDC

• Dielectric strength :

2.000 Vrms 50 Hz min. between terminals

3.000 Vrms 50 Hz min. between terminals and frame

• Electrical life : 10.000 cycles at full load

GENERAL SPECIFICATIONS

• Torque : 1,50 Nm (1.10 Ft.lb)

max. applied to nut

• Panel thickness :

5 mm (.196) max.

• Total travel :

NO : 4,5 (.177) +/- 0,3 (.011)

NC : 3,5 (.137) +/- 0,3 (.011)

• Operating temperature :

-20°C to +55°C

Dimensions : first dimensions are in mm while inches are shown as bracketed numbers.

Sealing boots are available to protect the switches against dust and water. They are presented in section H.

Mounting accessories : standard hardware supplied :

- silver contact models : 1 hex nut U166 and 1 knurled nut U411

- copper contact models : 1 hex nut U42 and 1 knurled nut U411

Standard and special hardware are presented in section I.

Packaging unit : 40 pieces, except model 1200.L (50 pieces).

ABOUT THIS SERIES

2A 250VAC or 4A 250VAC, T55/125°C

All models

4A 250VAC - 8A 125VAC

All models function 3 (NO)

EN 61058-1

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