Ruffneck Defender Explosion-Proof Thermostat (XT-411)

Description

Ruffneck Defender Explosion-Proof Thermostat (XT-411) is a specialized control device engineered for the most demanding and hazardous industrial applications. Its primary function is to provide precise temperature regulation for heating systems, particularly within ventilation setups, in environments where the presence of explosive gases or combustible dusts necessitates stringent safety measures. This thermostat is recognized for its exceptional reliability and robust design, making it a preferred choice for locations subject to high vibration, significant dirt and moisture, fluctuating power, and high impact conditions.

KEY FEATURES AND BENEFITS:

• Hazardous Location Certification: Designed and certified for use in areas classified as Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, F & G; Class II, Division 2, Groups F & G; Class III; and Class I, Zones 1 & 2, Groups IIA & IIB, ensuring safe operation in explosive atmospheres.
• Heating Only Function: Specifically configured to manage heating loads, making it suitable for industrial space heaters and ventilation systems.
• Broad Voltage Adaptability: Unique in its capability to operate as a line voltage or pilot duty thermostat for systems up to 600 VAC (Canada) and 480 VAC (US), offering wide application flexibility.
• Temperature Control Range: Provides a working temperature range of 40°F to 90°F (5°C to 30°C) with a stable temperature differential of 6.5°F (3.6°C).
• Environmental Resilience: Constructed to withstand corrosive environments, including those with H2S, and designed to perform consistently in dirty or humid conditions.
• Pre-wired for Simplified Setup: Comes pre-wired, contributing to easier and quicker installation processes.
• Compatibility: Works seamlessly with all previous and current Defender® thermostat housings, and is compatible with 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, single pole, single throw (SPST)
• Conduit Opening: ¾” – 14 NPT
• Electrical Rating (Canada): 600 VAC Max; 240V/30A; 480V/15A; 600V/15A
• Electrical Rating (US): 480 VAC Max; 240V/30A; 480V/15A
• Dimensions (approximate): 7.75 inches (H) x 6.28 inches (W) x 5.91 inches (D)

HOW TO USE:

1. Mounting: Securely mount the Ruffneck Defender XT-411 thermostat in the designated hazardous location, ensuring it complies with local electrical codes and safety regulations. The thermostat is designed to integrate with compatible Ruffneck™ Defender® thermostat housings.
2. Wiring: Connect the thermostat to the heating unit and power source using appropriate explosion-proof conduit and wiring methods. Follow the provided wiring diagram, paying close attention to the specific voltage requirements (e.g., 240V, 480V, or 600V). The thermostat is pre-wired to simplify this step.
3. Temperature Setting: Adjust the temperature setting dial to your desired heating set point within the operational range of 40°F to 90°F (5°C to 30°C).
4. Verification: After installation and setting, verify that the heating system responds correctly to the thermostat’s commands, turning the heater on when the temperature drops below the set point and off when it rises above.
5. Regular Checks: Periodically inspect the thermostat and its connections to ensure ongoing integrity and safe operation, especially in environments with high vibration or exposure to contaminants.

BENEFITS OF USING RUFFNECK DEFENDER EXPLOSION-PROOF THERMOSTAT (XT-411):

• Provides essential control for heating in environments where safety and reliability are paramount.
• Ensures heating systems operate effectively without compromising safety in zones prone to explosive gases or dusts.
• Robust construction leads to consistent performance under high vibration, dirt, and moisture, minimizing downtime and maintenance.
• Helps maintain optimal operational temperatures for equipment and processes, contributing to efficiency and longevity.
• Broad voltage compatibility offers versatile application across different industrial setups, simplifying procurement and installation.
• Adheres to strict safety standards, ensuring protection of personnel and assets in demanding industrial settings.

FEATURES:

• All-aluminum construction for environmental resistance.
• Absence of external plastic parts or exposed copper and brass.
• Calibration retention despite impacts.
• Protected sensing bulb within a sturdy thermowell.
• Corrosion-resistant properties suitable for H2S environments.
• Mercury-free and CFC-free design.
• Compact and lightweight form factor.
• Certification by UL-CUL for safety standards.
• Single-pole, single-throw switching mechanism.
• Engineered for environments with significant vibration.