Petercem Z3 is a series of unencapsulated subminiature snap-action microswitches designed for use in harsh environments with strong vibrations and shocks. The switches are equipped with gold-plated contacts, a PPS (Ryton®) plastic housing, and offer several configurations with different actuator types. They meet the requirements of MIL-PRF-8805 and correspond to previously approved French defense models (Z5661-1, Z5667).

Electrical capacity:
– Up to 4 A at 30 VDC, 1 A at 115 VDC or 220 VAC
– Low current: from 10 mA / 30 mV
– Inductive load: up to 0.5 A (DC), 0.5 A (AC)

Service life: 100,000 electrical cycles
Temperature range: –55 °C to +150 °C
Protection: IP40/IP54 (not terminals)

Mechanical properties:
– Service life: 500,000 mechanical cycles
– Operating force: from 0.45 to 3.6 N depending on model
– Overtravel and break limits vary depending on lever type

Mounting: M2 screw holes (DIN 41635 standard, size D)
Actuator types: Pin, roller lever, adjustable lever, overtravel lever, etc. (integrated or accessories)
Connection: Solder terminals
Accessories: Levers, insulating plate (IBCZ) recommended for metal mounting