The Petercem R Series are hermetically sealed microswitches designed to withstand harsh industrial environments, including high humidity, corrosive environments, and extreme temperatures. They are approved to French AIR standards and meet the requirements of MIL-PRF-8805. The design includes a tin-plated brass enclosure, snap action, and gold-plated silver contacts in an inert gas-filled switch chamber.

Electrical capacity:
– Up to 5 A at 220 VAC (resistive)
– Up to 3 A at 48 VDC, 1 A at 115 VDC
– Inductive load: up to 2.5 A at 220 VAC (cos φ > 0.3)

Min. switching current: 5 mA

Service life: 100,000 electrical cycles

Temperature range:
– Standard: –25°C to +85°C (screw terminal)
– Extended: –55°C to +155°C (type -1 with FEP conductor)

Protection:
– Hermetically sealed (5 bar pressure resistance)
– Salt fog: 48 h, humidity 93% for 168 h
– Vibration: 10 g (10–2000 Hz), shock: 50 g (11 ms)

Connections:
– Screw terminals or ready-made conductors (PVC/FEP)
– Actuator types:
– Lever, roller lever, telescopic push button or telescopic roller plunger

Mounting:
– Through screw hole or M12 threaded bushing, depending on model