Description

“XT-411L Defender Thermostat Ruffneck Defender XT?411 is engineered for use in the most demanding applications such as drilling rigs, utilidors, and compression stations where dirt, fluctuating power, and high-impact conditions exist. It is considered the most robust and trouble?free thermostat in the market due to its solid construction. The Ruffneck Defender XT?411 thermostat is for heating only and is suitable for ventilation systems in demanding industrial applications. It is designed for use in hazardous locations where specific explosive gases or dusts are present. The Ruffneck Defender XT?411 thermostat is the only available explosion?proof thermostat for line voltage or pilot duty for up to 600 Vac. Features and Benefits All aluminum exterior No breakable external plastic parts No exposed copper or brass Corrosion resistant, suitable for H2 S environments CFC mercury free, no leveling required Precision die-cast components Sensing bulb is protected by a sturdy thermowell Impact resistant and will not lose its calibration set?point 600 Vac maximum Compact and light?weight Comes pre?wired for easy installation Compatible with all previous and current Defender thermostat housings Compatible with all Ruffneck FX4 and FX5 heaters Specifications Temperature range 40°F to 90°F (5°C to 30°C) Temperature differential 6.5°F (3.6°C) Net weight 3.1 lbs (1.41 kg) Switching Snap acting Conduit opening 3/4in. ? 14 NPT Electrical Rating 600 Vac Max. (Canada) / 480 Vac Max. (US); 240 V / 30 A (Canada and US) 480 V / 15 A (Canada and US) 600 V / 15 A (Canada Only) 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 All aluminum exterior No breakable external plastic parts No exposed copper or brass Corrosion resistant, suitable for H2 S environments CFC & mercury free, no leveling required Precision die-cast components Sensing bulb is protected by a sturdy thermowell Impact resistant and will not lose its calibration set?point 600 Vac maximum Compact and light?weight Comes pre?wired for easy installation Compatible with all previous and current Defender® thermostat housings Compatible with all Ruffneck? FX4, FX5, FX6 heaters Temperature range 40°F to 90°F (5°C to 30°C) Temperature differential 6.5°F (3.6°C) Net weight 3.1 lbs (1.41 kg) Switching Snap acting Conduit opening ¾”” ? 14 NPT Electrical Rating: 600 Vac Max. (Canada) / 480 Vac Max. (US) Age Group: adult.”