Mechanical Interlock Switches: Switch Type - Machine Guard Interlock; Switch Style - Rotating Head, (2) Position; Enclosure Rating - IP65; Construction - Thermoplastic; Connection - 1/2"NPT; Voltage Rating - 24/110/230V AC; Contact Rating - 6/10A; Actuator Contacts - 1NC 1NO; Actuator Style - In-Line Stamped; Operating Temperature - -22 to 176 deg F (-30 to 80 deg C); Additional Information - Contact Material: Silver-Nickel Alloy; Manufacturer Series - SI-QS90