SP-NO Plunger Microswitch, 5 A @ 250 V ac. Terminal Type: Tab. Contact Configuration: Single Pole Single Throw (SPST). IP Rating: IP00, IP40. Operating Force: 1.5 N. Minimum Operating Temperature: -40°C. Maximum Operating Temperature: +100°C. Switch Housing: V2 Housing. Contact Material: Silver. Case Material: PBTP. Mechanical Life: 10000000Cycles. Release Force: 0.5N. Operating Temperature Range: -40 → +100°C. MPN: 1050.1122, Marquardt