Ruffneck SPDT Defender Thermostat (XT-312)

Description

The Ruffneck SPDT Defender Thermostat (XT-312) is engineered for precise and reliable temperature control in the most challenging industrial environments. Its primary advantage lies in its explosion-proof certification, making it safe for use in locations with potentially explosive gases, vapors, or dusts. This includes critical sectors such as oil and gas, chemical processing, mining, and agricultural facilities. The thermostat’s robust, all-aluminum construction ensures exceptional resistance to corrosion, even in harsh conditions like those with hydrogen sulfide (H2S), and eliminates fragile external plastic parts. The bimetal sensing element offers fast and accurate temperature readings, consistently delivering precise environmental regulation without being affected by changes in altitude. Being a Single Pole, Double Throw (SPDT) device, it provides versatile control capabilities, allowing it to manage heating systems independently, cooling systems, or ventilation setups, adapting to the specific needs of an industrial process or space. Its compact and lightweight design simplifies installation, while its CFC and mercury-free composition underscores an commitment to environmental responsibility. A substantial 3-year warranty, one of the longest in the industry for this product type, further assures its quality and operational longevity.

KEY FEATURES AND BENEFITS:

• Explosion-Proof Certification: Safe for hazardous locations with explosive gases, vapors, or dusts.
• Rugged All-Aluminum Housing: Withstands impact and eliminates external plastic parts for durability.
• Corrosion Resistance: Built to endure harsh conditions including hydrogen sulfide environments.
• SPDT Versatility: Can control heating, cooling, or ventilation systems as needed.
• Bimetal Sensing Element: Fast, accurate temperature regulation unaffected by altitude.
• Compact and Lightweight: Simplifies installation and reduces space requirements.
• Environmentally Friendly: Contains no CFCs or mercury and requires no leveling during installation.
• Extended Warranty: Comes with a 3-year manufacturer’s warranty for peace of mind.

SPECIFICATIONS:

• Temperature Range: 36°F to 82°F (2°C to 28°C)
• Temperature Differential: 2.5°F (1.5°C)
• Electrical Rating:
• Resistive: 22 Amps, 480 VAC Max
• Horsepower: ½ HP at 125 Vac, 1 HP at 250 Vac
• Hazardous Location Classifications:
• 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
• Net Weight: 2.1 lbs (0.95 kg)
• Conduit Opening: ¾” – 14 NPT
• Switching: Snap acting

HOW TO USE:

1. Safety First: Before beginning any installation, ensure that all power to the circuit where the thermostat will be connected is completely shut off at the main breaker or disconnect.
2. Mounting: Securely mount the XT-312 thermostat to a stable surface in the desired location. Refer to the product’s instruction manual for specific mounting hardware and orientation guidelines to ensure proper operation and safety.
3. Wiring: Connect the electrical wiring to the appropriate terminals within the thermostat. Given its SPDT functionality, you will connect wires for power input and then wires for the heating, cooling, or ventilation device you intend to control. Always follow local electrical codes and the detailed wiring diagrams provided in the thermostat’s installation manual.
4. Setting Temperature: Once securely mounted and wired, carefully adjust the temperature setting dial to your desired operating temperature within the thermostat’s specified range (36°F to 82°F / 2°C to 28°C).
5. Power Activation: After all connections are verified and the thermostat is properly enclosed, restore power to the circuit. The thermostat will then begin to monitor the ambient temperature and activate the connected heating, cooling, or ventilation equipment as needed to maintain the set temperature.
6. Regular Checks: Periodically inspect the thermostat and its connections to ensure continued optimal performance and safety, especially in demanding industrial environments.

BENEFITS OF USING RUFFNECK SPDT DEFENDER THERMOSTAT (XT-312):

• Explosion-Safe Design: Protects personnel and equipment in hazardous environments.
• Precise Regulation: Maintains stable conditions crucial for industrial process control.
• Reduced Maintenance: Durable build reduces need for frequent repairs or replacements.
• Versatile Application: SPDT control supports heating, cooling, or ventilation functions.
• Environmentally Responsible: Mercury- and CFC-free, meeting modern safety standards.
• Proven Durability: Long warranty ensures continued reliability in tough settings.

FEATURES:

• Exterior crafted entirely from aluminum, free of external plastic components.
• Internal components designed without exposed copper or brass parts.
• Resistance to corrosion, including in environments with hydrogen sulfide.
• Internal precision die-cast components ensure high manufacturing consistency.
• Bimetal element serves as the temperature sensor for rapid response.
• Absence of delicate coils or bellows for increased operational durability.
• Smallest footprint and lowest mass in its product category.
• Environmental safety considerations include being CFC and mercury-free.
• No specific leveling required during the installation process.
• UL-CUL certification confirms adherence to recognized safety standards.