Description
The Copeland 940-0001-64 is a precision-engineered potential relay designed to work in conjunction with single-phase compressors, ensuring dependable and efficient motor start-up performance. As a genuine Copeland replacement component, this relay is built to exact OEM specifications for seamless compatibility and long-lasting reliability in residential and light commercial HVAC/R applications.
How It Works
A potential relay (also known as a voltage relay) monitors the back-EMF (electromotive force) generated by the compressor motor’s start winding. Once the motor reaches approximately 75–80% of its full operating speed, the relay opens its normally-closed contacts, disconnecting the start capacitor from the circuit. This protects the start capacitor from overheating and extends the overall service life of the compressor.
Key Features
- Genuine Copeland OEM replacement potential relay
- Designed for single-phase compressor motor start-up assistance
- Normally-closed contact configuration opens at proper motor speed
- Removes start capacitor from circuit once motor reaches operating speed
- Protects start capacitor and compressor from thermal damage
- Compact design for easy installation in existing equipment
- Built to OEM specifications for reliable, repeatable performance
Applications
- Residential and light commercial air conditioning systems
- Heat pump compressors
- Refrigeration equipment using single-phase Copeland compressors
- Direct OEM replacement for Copeland-equipped systems
Why Choose a Genuine Copeland Relay?
Using an authentic Copeland potential relay ensures that your compressor operates within its designed electrical parameters. Off-brand substitutes may have incorrect pickup and dropout voltages, leading to premature compressor failure or nuisance tripping. The 940-0001-64 is the trusted choice for HVAC technicians who demand OEM quality and dependable field performance.
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