Thermon XT-312 Thermostat SPDT for use on Ruffneck FX Series Explosion Proof Forced Air Unit Heaters

Description

Thermon XT-312 thermostat SPDT for use on Ruffneck FX Series explosion proof forced air unit heaters.
Ruffneck™ Defender® XT‑311 and XT‑312 explosion‑proof heavy‑duty thermostats are the smallest, lightest, and most durable thermostats available. These thermostats are designed to control heating only, cooling only, or ventilation systems in demanding industrial applications. These include oil refineries, petrochemical plants, pulp and paper mills, coal mines, grain elevators, hazardous waste storage facilities, 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. Ruffneck™ Defender® XT‑311 and XT‑312 thermostat’s unique and highly engineered design offers outstanding features and benefits.
SpecificationsTemperature 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 @ 125 Vac, 1 HP @ 250 Vac Class I, Division 1 & 2, Groups C & D; Class II, Division 1, Groups E, F, & G; Class II, Division 2, Groups F & G; Class III; Class I, Zones 1 & 2, Groups IIA & IIB
Available in Two Models XT-311 (Feed‑Through, Single Pole, Single Throw) For heating‑only applications. XT-312 (Feed‑Through, Single Pole, Double Throw) For heating or cooling/ventilation applications.

Features

All‑aluminum exterior 
No breakable external plastic parts 
No exposed copper or brass 
Corrosion resistant, suitable for H2 S environments 
Compact & lightweight
More competitively priced
CFC & mercury free
Environmentally safe, no leveling required ® 
3‑year warranty: the longest trouble‑free warranty in the industry 
Precision die‑cast components 
Greater consistency, better quality 
Bimetal sensing element 
Fast‑acting, reliable, unaffected by altitude 
No delicate coils or bellows
Rugged reliability 
480 Vac maximum 
Wider range of applications

Specifications

Certification: UL-CUL
Material: Aluminum 
Color: Aluminum
Minimum Temperature: -4°F (-20°C) Ambient
Maximum Temperature: 104°F (40°C) Ambient

Downloads
Owners Manual (PDF Download)