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CSA Certification - Class I, Division 1, Groups C, D T4 Ex d IIB T4 Gb Class I, Zone 1, AEx d IIB T4 Gb; TYPE 4, 4X, 6 and 7, IP66/IP67 The TRIAC® XC Series Actuators are CSA Certified Type 4, 4X, 6 and 7 for hazardous locations and meet UL 1203 standard. The actuators are rugged and reliable with powder coated anodized aluminum housing for use in oil, gas, chemical and power generation applications. The XC Series is a perfect match for A-T's resilient or high-performance butterfly valves and dampers because of the self-locking, double reduction worm drive and torque switches. The XC Series is also ideal for ball, plug or any rotary valve requiring automation in a hazardous location. Standard Features: Visual position indicator Torque switches (XC-01350 – XC-25900) Anti-condensation heater and thermostat Two auxiliary limit switches Self-locking gear train Manual handwheel with torque from 690 in-lbs to 25900 in-lbs Available motor voltages: 12VDC, 24VDC, 24VAC, 120VAC and 220VAC Optional proportional control Various inputs with feedback available