APEM

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B2-111

B2

1200M/MR series

Robust momentary pushbutton switches - metal plunger

Distinctive features and specifications

❑

Butt action contacts, double break

❑

UL and CSA approved

MATERIALS

• Case : polyamide

• Plunger : top chrome plated

brass on polyamide base

• Bushing : brass, nickel plated

• Cap nut : brass, chrome plated

• Contacts : A : silver

C : copper, silver plated

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 14VDC - 3A 12VDC

• Initial contact resistance : 10 mΩ max.

• 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 : 4,5 mm (.177) max.

• Total travel :

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

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

• Operating temperature : -20°C to +55°C

AGENCY APPROVALS

Availability : approved models are 1213A and 1203A (M or MR)

(model 1223A is only UL approved).

Marking : to order switches marked UL or CSA, complete appropriate box of

ordering format.

4A 250VAC - 8A 125VAC

Mounting accessories : standard hardware supplied with all models : 1 hex nut U166 and 1 conic cap nut U1866-6.

Special cap nut U1874 is presented on the following pages.

Packaging unit : 40 pieces

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

ABOUT THIS SERIES

16-Serie 1200M-MR-A_21-Serie 1200M-MR-A 21/11/12 16:41 Page111