Copeland 940-0163-17 Current Relay

Description

Copeland 940-0163-17 Current Relay Overview

The Copeland 940-0163-17 is an OEM current relay engineered for use with Copeland compressors in residential and light commercial HVAC and refrigeration systems. Current relays play a critical role in single-phase compressor operation — they sense the current draw through the run winding and energize the start winding only during the brief startup period, then drop out once the compressor reaches operating speed. This protects the start winding from overheating and extends compressor service life.

Key Features

• OEM Copeland replacement current relay for precise compatibility
• Senses run-winding current to engage and disengage the start winding automatically
• Helps protect compressor start windings from prolonged energization
• Compact, plug-in design for straightforward field installation
• Manufactured to Copeland quality standards for long-term reliability
• Suitable for residential and light commercial HVAC and refrigeration applications

Application

This current relay is designed as a direct OEM replacement for compatible Copeland compressor models. Always verify compressor model compatibility before installation. Proper relay selection ensures correct pickup and dropout current thresholds, which are essential for reliable compressor starting and motor winding protection.

Installation Notes

• Disconnect all power before servicing or replacing the relay
• Confirm correct orientation when plugging relay onto compressor terminals
• Inspect start capacitor and run capacitor for proper condition when replacing the relay
• Consult Copeland compressor documentation for full wiring and application details