WA Series Standard Basic Switch, Single Pole Normally Closed Circuitry, 20 A at 250 Vac, Pin Plunger Actuator, 1,13 N to 4,45 N [4.0 oz to 16.0 oz] Operating Force, Gold-Plated Fine Silver Contacts, Screw Termination (No terminal hardware included), UL, CSA, CE, ENEC