U411A Datasheet, PDF (5/7 Pages) List of Unclassifed Manufacturers – Momentary pushbutton switches - round plunger

1200M/MR series
Robust momentary pushbutton switches - metal plunger
Distinctive features and specifications
❑ Butt action contacts, double break
❑ UL and CSA approved
B2
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
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
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
4A 250VAC - 8A 125VAC
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.
ABOUT THIS SERIES
Dimensions : first dimensions are in mm while inches are shown as bracketed numbers.
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
APEM
www.apem.com
B2-111