LPI series


New product

This series with the largest actuator and lowest behind-panel depth within the APEM switch range perfectly complements the APEM product portfolio.The LPI series has been developed on a modular base to fit the exact needs of technicians and end-users: more than 300,000 combinations are possible in this way !  Complying with the requirements of the EN81-70 standard (from Disability Discrimination Act), it allows disabled persons to access lifts and buildings more easily.

Main features

  • Large ergonomic actuator (dia. 35 mm)
  • Tactile feedback
  • Low behind-panel depth (21mm max.)
  • Stylish design
  • Long Life (5,000,000 cycles for 0,5A version)

More details

By phone

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

Monday – Friday 8am to 4pm

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More info

Ergonomics 1

Ergonomics 2


General specification

• Operating force : 2.5 to 5 N (unsealed)
• Total travel : 2 mm ±0.3 mm
• Mechanical life :
1,000,000 cycles min. for 5 A NO/NC
5,000,000 cycles min. for 50 mA NO
• Integrated resistors for illuminated versions
• LED protected from reverse polarity

Environmental specifications

• Environmental protection :
- IP53 for sealed version
- IP40 for unsealed version
• Impact resistance :
- IK06 for NO/NC version
- IK04 for NO version
• Operating temperature : -20 °C to +65 °C
• Storage temperature : -40°C to +70°C

Electrical specifications

• Snap-action, momentary function
• Max. currrent/voltage rating with resistive load :
- 5 A NO/NC version : 5 A 12 VDC - 50,000 cycles / 100 mA 12 VDC - 1,000,000 cycles
- 50 mA NO version : 50 mA 24 VDC - 5,000,000 cycles
• Min. current with resistive load : 0.5 mA at 24 VDC for NO version
• Contact resistance : 100 mΩ max.
• Dielectric strength : 500 Vrms 50Hz between terminals / 1,000 Vrms 50 Hz between terminals and ground
• Insulation resistance : 10 MΩ at 500 VDC


• Switch block : thermoplastic for 5A NO/NC
• Contacts :
5 A NO/NC : silver, gold plated
50 mA NO : silver
• Actuator crimped symbol : 304L stainless steel

Over 65 years of experience

International customer support

Broadest offering of HMI solutions

Integrated industrial processes

Constant innovation

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