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U411A Datasheet, PDF (1/7 Pages) List of Unclassifed Manufacturers – Momentary pushbutton switches - round plunger
1200 series
Momentary pushbutton switches - round plunger
Distinctive features and specifications
❑ Butt action contacts, double break
❑ NF (EN 61058-1), UL and CSA approved
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
B2
MATERIALS
• Case : polyamide
• Plunger : polyamide
• Bushing : brass, nickel plated
• Contacts :
A : silver
C : copper, silver plated
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
EN 61058-1
AGENCY APPROVALS
2A 250VAC or 4A 250VAC, T55/125°C
All models
4A 250VAC - 8A 125VAC
All models function 3 (NO)
Models 1233X209 and 1233X209L are standard marked NF.
To order switches marked NF, 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.
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).
APEM
www.apem.com
B2-107