3SE5 Safety Interlock Switch, Plastic, 2NC. Connection Type: M20. Lock Style: Key. Maximum AC Voltage: 230V. Maximum DC Voltage: 230V. Range: Sirius. Length: 104mm. IP Rating: IP65. Maximum Current: 3 A, 6 A. Maximum Operating Temperature: +85°C. Width: 31mm. MPN: 3SE5234-0QV40-1AE0, Siemens