Ruffneck Defender SPST Ruffneck FX Series Explosion-Proof Forced Air Unit Heater Thermostat

Description

Ruffneck™ Defender® XT‑311 explosion‑proof heavy‑duty thermostat is the smallest, lightest, and most durable thermostat available.It is designed to control heating only, cooling only, or ventilation systems in demanding industrial applications like oil refineries, petrochemical plants, pulp and paper mills, and other hazardous locations where specific explosive gases or dust are present. For hazardous‑location temperature controls, rely on Defender® thermostats for the most dependable and trouble‑free service available. Specifications Temperature range 36°F to 82°F (2°C to 28°C) Temperature differential 2.5 F° (1.5 C°) Net weight 2.1 lbs (0.95 kg) Switching Snap acting Conduit opening ¾” ‑ 14 NPT Electrical Rating 22 amps Res, 480 Vac Max; ½ HP at 125 Vac, 1 HP at 250 Vac Class I, Division 1 & 2, Groups C and D; Class II, Division 1, Groups E, F, and G; Class II, Division 2, Groups F and G; Class III; Class I, Zones 1 and 2, Groups