
Copeland 971-0547-01 Motor Protector
The Copeland 971-0547-01 Motor Protector is a critical solid-state electronic protection module designed for Copeland compressors, specifically utilized in large-scale commercial HVACR applications. Engineered to monitor and respond to internal motor temperatures, this module interfaces directly with thermistor sensors embedded within the motor windings. Operating on 115/230V AC control circuits, the 971-0547-01 provides essential protection against locked rotor conditions, phase loss, and excessive heat buildup that can lead to catastrophic motor failure. As a direct OEM replacement motor protector, it ensures precise integration with existing compressor control systems, maintaining the operational integrity of the refrigeration rack or chiller. This module functions by breaking the control circuit when resistance thresholds are exceeded, preventing the contactor from energizing until safe operating temperatures are restored. Contractors rely on this compressor electronic protection for its durability and rapid response times in demanding industrial environments.
- Precision Thermal Sensing: Monitors motor winding thermistors to provide accurate trip points based on real-time internal heat.
- Universal Compatibility: Designed for wide application across Copeland commercial compressors requiring external electronic modules.
- Enhanced System Reliability: Prevents compressor burnouts by isolating the motor during high-draw or low-voltage events.
- Simple Field Installation: Standard mounting and wiring configurations allow for direct swap-outs during routine HVAC maintenance.
Common Contractor Questions:
How do I test the 971-0547-01 module in the field?
Verify input voltage at the terminals and check the resistance of the motor thermistors. If the module fails to close the circuit while thermistor resistance is within the normal range (typically below 4500 ohms), the protector requires replacement.
Will this module reset automatically?
Yes, the electronic motor protector is designed to reset once the internal motor sensors detect a temperature drop below the trip threshold, though the underlying cause of the trip should always be diagnosed.
Can this replace older mechanical protectors?
No, this is a solid-state module specifically for compressors equipped with internal thermistor leads. It is not compatible with standard bi-metal internal overloads.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $503.82
-65%$503.82
$176.34Copeland 971-0547-01 Motor Protector
The Copeland 971-0547-01 Motor Protector is a critical solid-state electronic protection module designed for Copeland compressors, specifically utilized in large-scale commercial HVACR applications. Engineered to monitor and respond to internal motor temperatures, this module interfaces directly with thermistor sensors embedded within the motor windings. Operating on 115/230V AC control circuits, the 971-0547-01 provides essential protection against locked rotor conditions, phase loss, and excessive heat buildup that can lead to catastrophic motor failure. As a direct OEM replacement motor protector, it ensures precise integration with existing compressor control systems, maintaining the operational integrity of the refrigeration rack or chiller. This module functions by breaking the control circuit when resistance thresholds are exceeded, preventing the contactor from energizing until safe operating temperatures are restored. Contractors rely on this compressor electronic protection for its durability and rapid response times in demanding industrial environments.
- Precision Thermal Sensing: Monitors motor winding thermistors to provide accurate trip points based on real-time internal heat.
- Universal Compatibility: Designed for wide application across Copeland commercial compressors requiring external electronic modules.
- Enhanced System Reliability: Prevents compressor burnouts by isolating the motor during high-draw or low-voltage events.
- Simple Field Installation: Standard mounting and wiring configurations allow for direct swap-outs during routine HVAC maintenance.
Common Contractor Questions:
How do I test the 971-0547-01 module in the field?
Verify input voltage at the terminals and check the resistance of the motor thermistors. If the module fails to close the circuit while thermistor resistance is within the normal range (typically below 4500 ohms), the protector requires replacement.
Will this module reset automatically?
Yes, the electronic motor protector is designed to reset once the internal motor sensors detect a temperature drop below the trip threshold, though the underlying cause of the trip should always be diagnosed.
Can this replace older mechanical protectors?
No, this is a solid-state module specifically for compressors equipped with internal thermistor leads. It is not compatible with standard bi-metal internal overloads.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
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Shipping & Returns
Description
The Copeland 971-0547-01 Motor Protector is a critical solid-state electronic protection module designed for Copeland compressors, specifically utilized in large-scale commercial HVACR applications. Engineered to monitor and respond to internal motor temperatures, this module interfaces directly with thermistor sensors embedded within the motor windings. Operating on 115/230V AC control circuits, the 971-0547-01 provides essential protection against locked rotor conditions, phase loss, and excessive heat buildup that can lead to catastrophic motor failure. As a direct OEM replacement motor protector, it ensures precise integration with existing compressor control systems, maintaining the operational integrity of the refrigeration rack or chiller. This module functions by breaking the control circuit when resistance thresholds are exceeded, preventing the contactor from energizing until safe operating temperatures are restored. Contractors rely on this compressor electronic protection for its durability and rapid response times in demanding industrial environments.
- Precision Thermal Sensing: Monitors motor winding thermistors to provide accurate trip points based on real-time internal heat.
- Universal Compatibility: Designed for wide application across Copeland commercial compressors requiring external electronic modules.
- Enhanced System Reliability: Prevents compressor burnouts by isolating the motor during high-draw or low-voltage events.
- Simple Field Installation: Standard mounting and wiring configurations allow for direct swap-outs during routine HVAC maintenance.
Common Contractor Questions:
How do I test the 971-0547-01 module in the field?
Verify input voltage at the terminals and check the resistance of the motor thermistors. If the module fails to close the circuit while thermistor resistance is within the normal range (typically below 4500 ohms), the protector requires replacement.
Will this module reset automatically?
Yes, the electronic motor protector is designed to reset once the internal motor sensors detect a temperature drop below the trip threshold, though the underlying cause of the trip should always be diagnosed.
Can this replace older mechanical protectors?
No, this is a solid-state module specifically for compressors equipped with internal thermistor leads. It is not compatible with standard bi-metal internal overloads.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












