General Purpose Relay with SPDT switching, 24 VAC

Honeywell LO Series General Purpose Relay – 24 VAC Coil for HVAC and Refrigeration Systems

The Honeywell LO-Series General Purpose Relay is designed for low-voltage control of fan motors, compressors, and auxiliary components in HVAC and refrigeration systems. Engineered for compatibility with 24 VAC control circuits, this relay supports switching applications up to 3 amps and is constructed for long-term performance in demanding service environments.

Product Application

This relay is commonly used in residential and light commercial HVAC equipment, vending systems, and control panels. Its open-frame construction and laminated magnetic structure support reliable operation in both ambient and elevated temperature conditions. Terminals are clearly marked for ease of installation and system diagnostics.

Technical Specifications

• Coil Voltage: 24 VAC
• Frequency: 50/60 Hz
• Contact Rating: 3 A resistive load
• Ambient Operating Range: -20°F to 115°F (-29°C to 46°C)
• Dimensions: 1-7/8" H × 2-5/32" W × 2-3/8" D
• Construction: Open coil with laminated magnet frame
• Terminal Identification: Molded-in numbers for straightforward wiring

Design Features

• Open Coil Configuration: Promotes thermal dissipation and extends component life
• Universal Mounting Base: Allows quick replacement of comparable models
• 2-Pole Switching: Suitable for pilot duty and signal-level switching
• Durability: Built to handle repeated cycles in HVAC and refrigeration control circuits

Installation Guidelines

Installation should be performed by a qualified HVAC technician or electrician to ensure compliance with local electrical codes and safe operating practices. All connections must be securely tightened, and system voltage should be verified before energizing the relay. Always follow manufacturer wiring diagrams specific to your application.

Installer Notes

• Tools Required: Screwdriver, wire strippers, multimeter
• Mounting Consideration: Allow sufficient space for heat dissipation
• Replacement Guidance: Confirm coil voltage and contact rating before installation

Intended Use

The Honeywell LO-Series General Purpose Relay is intended for low-voltage control in HVAC systems, refrigeration equipment, and general electrical switching tasks requiring a 24 VAC coil. Not rated for direct switching of high-inductive loads exceeding specified contact ratings.