Description
The Copeland 90-342S1 magnetic relay is designed for reliable switching of electrical loads in HVAC control systems. Featuring a 24V coil, this relay is compatible with standard low-voltage control circuits commonly used in furnaces, air handlers, and condensing units. Its single-pole double-throw (SPDT) configuration allows for flexible control of fan motors, compressors, and auxiliary devices. Built for dependable performance in demanding environments, the 90-342S1 is a practical replacement component for residential and light commercial HVAC applications.
Key Features:
- 24V coil voltage for standard HVAC control circuits
- SPDT (single-pole, double-throw) contact configuration
- Magnetic relay design for reliable switching
- Suitable for fan motors, compressors, and control circuits
- Compatible with furnaces, air handlers, and condensing units
- Ideal for replacement and service applications
- Durable construction for consistent performance







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