WP series


New product

APEM offers a high-performance switch for interface solutions that must be easily identifiable: The WP Series pushbutton increases visibility of your critical functions with its extra-large activation surface.

This interface allows a quick and clear identification of the function with a large format personalized laser marking and an anodized 25 mm diameter bearing area which can be tinted in blue, black, green or red. The WP series has been developed for military or outdoor applications in extreme climatic conditions and meets the waterproof and reliability needs of these particularly demanding sectors: IP67 and IP69K, 50,000 cycles, double pole, ...

Main features

  • Large diameter pusher (25 mm)
  • IP67 and IP69K
  • Double pole
  • Momentary electrical function
  • PCB, wire, solderlug outputs
  • Compact under panel

More details

By phone

978-372-1602 East Coast
760-598-2518 West Coast

Monday – Friday 8am to 4pm

More info

Ergonomics 1

Ergonomics 2


General specification

• Torque : 1.25Nm (.922 FT.lb) max applied to nut
• Standard panel thickness : 2 mm (.078) max
• Total travel : 2 mm (.078)

Environmental specifications

• Operating temperature: -40 °C to +85 °C (-40°F to +185°F)
• Front Panel sealing: IP67 and IP69K according to DIN 40050-9

Electrical specifications

• Max. Voltage rating with resistive load : 28VDC
• Max. current rating with resistive load : 4A
• Initial contact resistance : 10mΩ max
• Insulation resistance : 1000MΩ min at 500VDC
• Dielectrical strength :
- 1000Vrms 50Hz min. between terminals
- 2000Vrms 50Hz min between poles
- 2000Vrms 50Hz min. between terminals and frame
• Contact bounce : 2ms max
• Electrical life - Silver contacts (4A 30VDC): 50 000 cycles


• Case: diallylphtalate (DAP)
• Actuator: Alu
• Contact: brass, nickel plated
• Contacts: silver
• Terminal seal: epoxy

Over 65 years of experience

International customer support

Broadest offering of HMI solutions

Integrated industrial processes

Constant innovation

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