Mars 90360 SPST 24V Heavy Duty Power Relay

The Mars 90360 SPST 24V Relay is a heavy-duty power relay designed for reliable switching in HVAC, air conditioning, heating, and refrigeration systems. This relay is one of the most popular relays used in HVAC equipment and replaces WR/Essex/RBM type 184, making it an excellent direct replacement for a wide range of applications.

Key Specifications:

• Contact rating: 18 amps at 60 Hz
• 24 VAC coil voltage
• Pick-up voltage: 20.4 VAC
• Hold voltage: 13.2 VAC
• Drop-out voltage: 4.8 VAC
• 0.25 inch quick-connect terminals
• Flange mounting bracket
• Compact dimensions: 2.38 x 1.63 x 1.50 inches

Features and Benefits:

• Single-pole, single-throw (SPST) configuration for simple circuit control
• UL/CSA listed for safety and compliance
• Tab bracket mounting for easy installation
• Non-positional design allows flexible orientation
• Heavy-duty construction ensures long service life in demanding environments
• Quick-connect terminals for fast, secure wiring connections

This relay is ideal for controlling fans, motors, solenoids, and other electrical loads in HVAC systems. Its robust design and proven reliability make it a trusted choice for contractors and technicians working on residential and commercial heating, cooling, and refrigeration equipment.