Switch Position: 2-3: just open: None 2-1: Note: 120vca interruption Power: 3 A with a resistive load or 28vcc, initial contact resistance: Max. Silver and Golden 20Mohm 2-4vdc/100mA for contacts Dielectric resistance: 1000Vrms at sea level insulation resistance: Min. 1000Mohm electrical life: 60000 on/off cycles at full load, working temperature: -30 °C to + 85 °C diallyle hoses chrome-plated brass screw thread: Free: Phthalate-free material: Nickel plated brass case material: stainless steel silver centre contact: Brass, Used by electrolysis contacts: connections: Silver-plated brass