Triac

AT Controls TRIAC XEM Actuator

Key Features:

Modular Design

• Simplifies installation, maintenance, and customization.
• Field-replaceable components (like control boards and motors).

NEMA 4, 4X, and 7 Enclosure Ratings

• Offers weatherproof and explosion-proof protection.
• Suitable for harsh environments (e.g., chemical, oil & gas).

Multi-Voltage Capability

• Accepts a wide range of AC and DC voltages.
• Versatile for various control systems.

Torque Range

• Typically from 300 in-lbs to 20,000+ in-lbs, depending on model.
• Handles a wide range of valve sizes and types.

Manual Override

• Includes a handwheel or lever for manual operation during power loss.

Position Indication

• Visual external position indicator.
• Optional feedback via position transmitters.

Control Options

• On/Off, modulating, and failsafe options available.
• Compatible with various communication protocols (e.g., Modbus, analog signals).

Thermal Protection & Heater

• Built-in motor thermal protection.
• Anti-condensation heater as standard in many models.

Corrosion-Resistant Coating

• Powder-coated aluminum or epoxy-coated enclosure.
• Withstands tough industrial environments.

CSA, UL, and CE Certifications

• Meets global electrical and safety standards.

Technical Specifications:

Torque Output:

• Ranges from 690 in-lbs to 25,900 in-lbs, depending on the specific model. ​ 

Cycle Time (90° Rotation):

• Varies by model:​ 
  • 13 to 16 seconds for models like XEM-690.
  • 95 to 112 seconds for higher torque models like XEM-25,900. 

Power Supply Options:

• AC Motors: 
  • 110V AC (1-phase, 50/60Hz)
  • 220V AC (1-phase, 50/60Hz)
• DC Motors: 
  • 12V DC
  • 24V DC

Duty Cycle:

• Up to 70% for certain models, indicating suitability for frequent operation. ​ 

Enclosure Ratings:

• Weatherproof Models: Rated IP67, suitable for outdoor and industrial      environments.​
• Explosion-Proof Models: Certified ATEX II 2 G, Ex d IIB T4, suitable for hazardous      locations. ​ 

Manual Override:

• Equipped with a handwheel or wrench for manual operation during power loss.​

Control Options:

• On/Off Control: Standard for basic open/close operations.​ 
• Modulating Control: Optional for precise positioning, accepting signals like 4-20mA or 0-10V DC.​ 

Limit Switches:

• Comes with two auxiliary limit switches (SPDT) rated at 5A 125 VAC or 3A 250 VAC.​ 

Space Heater:

• Includes a 2W anti-condensation heater to prevent moisture buildup inside the actuator.​

Mounting Interface:

• Complies with ISO 5211 standards, ensuring compatibility with various valve types.

Operating Temperature Range:

• Standard: -4°F to 158°F (-20°C to 70°C).
• With optional low-temperature kit: down to -40°F (-40°C).

Enclosure Material:

• Constructed from high-grade aluminum alloy with polyester powder coating for enhanced corrosion resistance.