Square D (Schneider Electric) XCSA703 Preventa Safety Interlock Switch. Telemecanique Preventa Square D Safety Interlock Switch, Turret Head, Series: XCSA, 300 VAC, 10 A, 1NO-2NC Contact Configuration, 3 Pole, Slow Break/Break Before Make Action, Key Actuator, 1/2 in NPT Cable Connection, NEMA 4/4X/12/IP67 Enclosure, 1.57 in W x 4.49 in H x 1.73 in D Size, 1000000 Cycles Operating Cycles, -25 to 70 deg C Operating, Zamak, Environmental Conditions: -40 to 158 deg F Storage Temperature. Additional Description: SQD -XCSA703 SAFETY INTERLOCK 300VAC 10A T-XCS TYPE XCS +OPTION. Catalog Description: Preventa XCS, safety switches, metal safety switch, 2 NC and 1 NO, slow break, 1 entry tapped 0.5 inch NPT.