WHITE RODGERS 24A51 THERMAL RELAY

Description:

The WHITE RODGERS 24A51 Thermal Relay is used in commercial and industrial HVAC systems for sequencing and controlling electric heating elements through timed relay operation. Commonly installed in electric furnaces, air handlers, rooftop HVAC units, and heating control assemblies. Maintenance teams, HVAC technicians, and system integrators use this part for relay replacement, electric heat system repair, retrofit projects, and restoration of staged heating control performance.

Applications:

The WHITE RODGERS 24A51 thermal relay is commonly used in HVAC environments requiring reliable timed activation and sequencing of electric heating elements. It is frequently installed in electric furnace systems, commercial air handling equipment, and staged electric heating applications where controlled relay timing and dependable thermal switching are critical for maintaining heating efficiency and preventing electrical overload conditions. The relay functions as an electric heat sequencer in continuous-duty heating control applications.

Technical Specifications:

• Brand: WHITE RODGERS
• Part Number: 24A51
• Product Type: Thermal Relay
• Relay Type: Electric Heat Sequencer
• Control Voltage: 24V
• Frequency Rating: 60 Hz
• Application: Electric Heating Control
• Compatible Equipment: Electric Furnaces and HVAC Systems
• Function: Timed Heating Element Sequencing
• Switching Operation: Thermal Time Delay Relay
• Switch Configuration: Single Switch Sequencer
• Timing Rating: Approximately 35 Second ON / 30 Second OFF Delay
• Mounting Type: Multi-Position Mounting
• Industrial Use: Commercial and Industrial HVAC Systems
• Operating Environment: Continuous-Duty Heating Applications

Common Replacements:

• White-Rodgers 24A51-1 Heat Sequencer
• Honeywell Electric Heat Sequencer
• Emerson 24A05Z-1 Heat Relay