Transformer with 9" Lead Wires, Foot mounted 120/208/240 V, 75VA

Specifications for Honeywell AT175A1008 General Purpose Transformer

The Honeywell AT175A1008 Transformer is a versatile, high-performance general-purpose step-down transformer designed for use in heating, ventilation, air conditioning (HVAC), and other control systems. Featuring a 120 VAC primary and 27.5 VAC secondary output, this unit delivers a reliable 75 VA power rating for consistent operation. Built for durability and flexibility, the AT175A1008 includes universal mounting options and 9-inch primary lead wires with (2) screw terminal secondary connections, ensuring quick installation and dependable performance across a wide temperature range.

• Model: AT175A1008
• Brand: Honeywell
• Product Type: General Purpose Transformer
• Primary Voltage: 120 VAC
• Secondary Voltage: 27.5 VAC
• Power Rating: 75 VA
• Frequency: 60 Hz
• Mounting Type: Universal mount (surface, foot, or hub mounting options)
• Primary Connections: 9-inch lead wires
• Secondary Connections: (2) screw terminals
• Temperature Range: -20°F to 105°F (-29°C to 40°C)
• Dimensions: 3-3/16 inches H x 2-3/8 inches W x 3-5/8 inches D
• Phase: Single-phase
• Construction: Laminated steel core with durable metal housing
• Color: Standard Honeywell gray
• Application: Ideal for powering HVAC control circuits, thermostats, relays, and low-voltage devices
• Function: Steps down 120 VAC line voltage to 27.5 VAC control voltage
• Performance: Provides steady output under variable load conditions
• Design Features:
  • Universal mounting plate for versatile installation options
  • Pre-wired primary leads and terminal secondary connections for quick wiring
  • Compact size suitable for tight control enclosures
• Efficiency: Optimized core design reduces energy loss and heat generation
• Durability: Built for continuous-duty operation in demanding HVAC environments
• Insulation Class: Class B or better for thermal protection
• Protection: Internal construction resists electrical noise and vibration
• Compliance: UL Listed, CSA Certified, and meets NEC requirements
• Safety: Insulated lead wires and enclosed terminals ensure safe handling
• Use: Suitable for residential, commercial, and light industrial control applications
• Maintenance: Maintenance-free solid-state design
• Warranty: Covered by Honeywell’s Limited Product Warranty
• Manufacturer: Honeywell International Inc.
• Country of Origin: Made in the USA