White Rodgers 90-T40F3 Relay

Description:

The White-Rodgers 90-T40F3 Relay is used in commercial and industrial HVAC systems for switching high-current electrical loads in heating, ventilation, air conditioning, refrigeration, and motor control applications. Commonly installed in furnaces, air handlers, condensing units, refrigeration systems, and industrial control panels. Maintenance teams, HVAC technicians, and electrical contractors use this part for relay replacement, control system repair, retrofit projects, and restoration of equipment switching functionality.

Applications:

The White-Rodgers 90-T40F3 relay is commonly used in HVAC and industrial environments requiring reliable high-current electrical switching and dependable control circuit operation. It is frequently installed in compressor control systems, blower motor circuits, refrigeration equipment, and air conditioning systems where consistent relay engagement and durable contact performance are critical for maintaining operational efficiency and reducing equipment downtime. The relay is designed for continuous-duty switching applications involving HVAC and industrial electrical systems.

Technical Specifications:

• Brand: White-Rodgers
• Part Number: 90-T40F3
• Product Type: Power Relay / Contactor
• Application: HVAC and Industrial Electrical Switching
• Compatible Equipment: Furnaces, Air Handlers, and Refrigeration Systems
• Relay Function: High-Current Load Switching
• Coil Type: Electromagnetic Relay Coil
• Mounting Type: Panel or Equipment Mounted
• Industrial Use: Commercial and Industrial HVAC Systems
• Operating Environment: Continuous-Duty Electrical Applications
• System Compatibility: Motor, Compressor, and Blower Control Circuits
• Construction Type: Industrial Electrical Relay Assembly
• Usage Type: HVAC and Refrigeration Equipment Control
• Maintenance Application: Relay Replacement and Retrofit

Common Replacements:

• Honeywell R8222 Relay
• Packard C240B Contactor
• Mars 90340 HVAC Relay