Marquardt Single & Double Pole Pushbutton Switches - Series 1683 Details

Perfect for Class II appliances, the Marquardt Single & Double Pole Pushbutton Switches provide On-Off Push Button Switch functions, with illumination options.

Marquardt 1683 Pushbuttons offer SPNO, SPST, SPNC, DPST & DPNO switching formats, depending on your requirements.

• Bipolar Switch
• Current: Up to 16A
• Voltage: 250V

The 1683 Marquardt Pushbutton Switches feature various terminal options with a 100,000 mechanical life cycle suitable for harsh environments.



  • Million times proven, double lifting contact system
  • High electrical rating up to 16 A
  • High rating with 100 000 mechanical switching cycles
  • Illuminated and non-illuminated variants
  • Variant with dust and water protection IP 65/IP 67
Technical Data

Mechanical life endurance: 10E4
Operating force approx:8 N (basic type 1683)/ 12 N
Contact resistance (new condition): < 100 mOhm (1 A 12 V DC)
Insulation resistance (new condition): > 100 MOhm (500 V DC)
Proof tracking: 250 PTI
Ambient temperature: Connection side -20 °C to +100 °C
Ambient temperature: Actuating side -20 °C to +55 °C
Flammability: UL 94 (actuator: V-0, socket: V-1, housing: V-2)/ UL 94 V-0
Glow wire test temperature: 850 °C
Protection type: IP 40/IP 66 and IP 67 (product- dependent)
Material: Actuator PC / EPDM / PA
Material: Housing PA / PA glass fiber-reinforced / PA C3U / PA Latamid glass fiber-reinforced
Plug force of the terminals: ≤ 80 N
Approval marks: CSA / ENEC 05 / UL
Suitable for appliances of protection class II