General Purpose Relay with SPDT Switch

90293 MARS FAN RELAY 24V SPDT TYPE 84 72570

The MARS 90293 Fan Relay is a professional-grade control component designed for HVAC systems requiring dependable circuit control through low-voltage actuation. As part of the MARS Series 903 line, this relay provides consistent performance in demanding commercial and residential mechanical applications. Built for direct replacement of WR/Essex/RBM Type 84 relays (models 90-290 through 90-295), it ensures seamless integration with existing control circuits while maintaining compliance with industry-standard electrical and mechanical configurations.

Technical Specifications

• Manufacturer: MARS (Motors & Armatures, Inc.)
• Series: 903
• Model Number: 90293
• Part Number: 72570
• Function: Power Fan Relay
• Coil Voltage: 24 VAC, 60 Hz
• Contact Configuration: SPDT (Single Pole Double Throw)
• Contact Rating: 18 A resistive load
• Poles: 1
• Terminals: Quick-connect style for streamlined installation
• Mounting Type: Panel or chassis mount, compatible with standard HVAC control panels
• Width: 2.056 inches
• Height: 2.5 inches
• Electrical Insulation: Rated for standard HVAC and control circuit voltage isolation
• Replacement Compatibility: WR/Essex/RBM Type 84 (models 90-290 through 90-295)
• Applications: Air conditioning, forced-air heating, standby power, and control panel operations

Professional Summary

The MARS 90293 Fan Relay delivers reliable performance for HVAC and general electrical control applications where low-voltage coil activation is required to manage higher current loads. Its SPDT configuration supports flexible circuit design and dependable switching performance under sustained operational cycles. Designed to meet the demands of service contractors and system integrators, this relay provides straightforward field replacement for legacy Type 84 models, ensuring compatibility across multiple platforms. With durable quick-connect terminals and consistent actuation characteristics, the 90293 is a robust solution for control system professionals seeking proven relay performance in commercial and industrial installations.