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3900 Metal Lever Switches

3900 Drawings
  • Metal lever switches
  • Ratings up to 20A, 277V ac
  • Singles and double pole
  • Choice of circuits including 3 position and momentary
  • Sealed version supplied complete with gaskets
  • Panel seal version to IP67 (IP67 approval for E body only)
  • 6.3mm and solder terminals
  • Guard option
3900 Photo

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ENEC 15 Logo

16(4)A 250Vac T85 (3900 & 3950)
10(4)A 250Vac T85 (All other circuits)

RU standardCSA standard

UL CSA 20A 125/277Vac (ON-OFF Circuits)
UL CSA 16A 125/277Vac (Other Circuits)
UL CSA 7A 72Vdc, 14A 36Vdc
UL 250Vac 1hp. 125Vac 1/2hp
UL 65°C, file E45221, CSA file LR10990

RoHS Compliant

RoHS Compliant


Number Function Contact Notes
3900 ON-OFF Single Pole  
3901 ON-OFF Single Pole Momentary ON
3902 ON-OFF Single Pole Momentary OFF
3910 ON-ON Single Pole  
3911 ON-ON Single Pole Momentary 1 side
3920 ON-OFF Single Pole  
3921 ON-OFF-ON Single Pole Momentary 1 side
3922 ON-OFF-ON Single Pole Momentary 2 sides
3950 ON-OFF Double Pole  
3951 ON-OFF Double Pole Momentary ON
3952 ON-OFF Double Pole Momentary OFF
3960 ON-ON Double Pole  
3961 ON-ON Double Pole Momentary 1 side
3970 ON-OFF-ON Double Pole  
3971 ON-OFF-ON Double Pole Momentary 1 side
3972 ON-OFF-ON Double Pole Momentary 2 sides

Terminal Options  
Code Size
C 6.3x0.8mm
Panel and Bezel Dimensions (mm)
Code Description
A Without terminal barrier, single pole
E Panel seal, without terminal barrier, single pole
B With terminal barrier, double pole only
F Panel seal, with terminal barrier, double pole
Actuator Options
Code Profile
B 17.5mm

Further Options

Options include: Neck seal, Cover, Fixing nuts and Guards

Product Code

Product Code: Terminal Option + Switch Function + Actuator Option + Bezel Option + Further Options e.g. C3900BA + further options. See datasheet for further information.

3900 Series

Datasheet
Download Datasheet for full range of options and specs.

PDF Download
3900 Datasheet 144kb PDF

Complete Range
Download details of the complete range

PDF Download
Lever Switches Datasheet 288Kb PDF

General Spec
Download Datasheet General Specs of materials etc

PDF Download
Specification Datasheet 36Kb PDF

Sample Request
To request samples of these switches please complete the sample request form.

Sample request form
Sample request