Copeland 971-0127-37 Relay
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Copeland 971-0127-37 Relay

Copeland 971-0127-37 Relay

The Copeland 971-0127-37 Relay is a critical motor protection component engineered for high-performance HVACR compressor applications. This overload relay serves as the primary line of defense for the compressor motor, utilizing precise thermal-sensing technology to interrupt the circuit when internal temperatures or current draw exceed safe operational limits. Designed for seamless integration with Copeland refrigeration parts, the 971-0127-37 ensures that temporary electrical surges or mechanical strain do not lead to permanent stator failure or winding burnouts.

For service technicians, this compressor overload protector is an essential truck-stock item for diagnosing "no-start" conditions. By monitoring the common terminal circuit, the bimetal disc within the relay reacts to excessive heat, providing reliable circuit protection that preserves the integrity of the refrigeration system. Whether you are performing a routine overload relay replacement or troubleshooting a Copeland scroll compressor trip, this OEM component maintains the original engineering specifications required for industrial-grade durability and rapid response times in demanding environments.

Key Benefits
  • Internal Motor Protection: Prevents catastrophic motor failure by cutting power during thermal overload events.
  • OEM Precision: Genuine Copeland 971-0127-37 ensures exact trip curves and compatibility with specified compressor models.
  • System Longevity: Reduces the risk of winding damage caused by frequent short-cycling or low-voltage scenarios.
  • Simplified Installation: Designed with standard terminations for efficient field replacement by HVAC contractors.
Common Questions

How do I check if the 971-0127-37 has tripped?
Use a multimeter to check for continuity across the relay terminals. If the compressor is hot to the touch and the relay shows an "open" circuit, the thermal protector has likely tripped. Allow the unit to cool before re-testing to see if the bimetal resets.

What causes this overload relay to fail frequently?
Frequent tripping is often a symptom of underlying issues such as a failing run capacitor, restricted airflow over the condenser, or low refrigerant charge, which increases motor operating temperatures.

Is this relay compatible with all Copeland compressors?
No, overload relays are calibrated to specific motor amperages and frame sizes. Always verify the part number against the compressor nameplate or official Copeland cross-reference data before installation.

This item is not eligible for free shipping.

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.

$30.58

Original: $87.36

-65%
Copeland 971-0127-37 Relay

$87.36

$30.58

Copeland 971-0127-37 Relay

The Copeland 971-0127-37 Relay is a critical motor protection component engineered for high-performance HVACR compressor applications. This overload relay serves as the primary line of defense for the compressor motor, utilizing precise thermal-sensing technology to interrupt the circuit when internal temperatures or current draw exceed safe operational limits. Designed for seamless integration with Copeland refrigeration parts, the 971-0127-37 ensures that temporary electrical surges or mechanical strain do not lead to permanent stator failure or winding burnouts.

For service technicians, this compressor overload protector is an essential truck-stock item for diagnosing "no-start" conditions. By monitoring the common terminal circuit, the bimetal disc within the relay reacts to excessive heat, providing reliable circuit protection that preserves the integrity of the refrigeration system. Whether you are performing a routine overload relay replacement or troubleshooting a Copeland scroll compressor trip, this OEM component maintains the original engineering specifications required for industrial-grade durability and rapid response times in demanding environments.

Key Benefits
  • Internal Motor Protection: Prevents catastrophic motor failure by cutting power during thermal overload events.
  • OEM Precision: Genuine Copeland 971-0127-37 ensures exact trip curves and compatibility with specified compressor models.
  • System Longevity: Reduces the risk of winding damage caused by frequent short-cycling or low-voltage scenarios.
  • Simplified Installation: Designed with standard terminations for efficient field replacement by HVAC contractors.
Common Questions

How do I check if the 971-0127-37 has tripped?
Use a multimeter to check for continuity across the relay terminals. If the compressor is hot to the touch and the relay shows an "open" circuit, the thermal protector has likely tripped. Allow the unit to cool before re-testing to see if the bimetal resets.

What causes this overload relay to fail frequently?
Frequent tripping is often a symptom of underlying issues such as a failing run capacitor, restricted airflow over the condenser, or low refrigerant charge, which increases motor operating temperatures.

Is this relay compatible with all Copeland compressors?
No, overload relays are calibrated to specific motor amperages and frame sizes. Always verify the part number against the compressor nameplate or official Copeland cross-reference data before installation.

This item is not eligible for free shipping.

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

Shipping & Returns

Description

The Copeland 971-0127-37 Relay is a critical motor protection component engineered for high-performance HVACR compressor applications. This overload relay serves as the primary line of defense for the compressor motor, utilizing precise thermal-sensing technology to interrupt the circuit when internal temperatures or current draw exceed safe operational limits. Designed for seamless integration with Copeland refrigeration parts, the 971-0127-37 ensures that temporary electrical surges or mechanical strain do not lead to permanent stator failure or winding burnouts.

For service technicians, this compressor overload protector is an essential truck-stock item for diagnosing "no-start" conditions. By monitoring the common terminal circuit, the bimetal disc within the relay reacts to excessive heat, providing reliable circuit protection that preserves the integrity of the refrigeration system. Whether you are performing a routine overload relay replacement or troubleshooting a Copeland scroll compressor trip, this OEM component maintains the original engineering specifications required for industrial-grade durability and rapid response times in demanding environments.

Key Benefits
  • Internal Motor Protection: Prevents catastrophic motor failure by cutting power during thermal overload events.
  • OEM Precision: Genuine Copeland 971-0127-37 ensures exact trip curves and compatibility with specified compressor models.
  • System Longevity: Reduces the risk of winding damage caused by frequent short-cycling or low-voltage scenarios.
  • Simplified Installation: Designed with standard terminations for efficient field replacement by HVAC contractors.
Common Questions

How do I check if the 971-0127-37 has tripped?
Use a multimeter to check for continuity across the relay terminals. If the compressor is hot to the touch and the relay shows an "open" circuit, the thermal protector has likely tripped. Allow the unit to cool before re-testing to see if the bimetal resets.

What causes this overload relay to fail frequently?
Frequent tripping is often a symptom of underlying issues such as a failing run capacitor, restricted airflow over the condenser, or low refrigerant charge, which increases motor operating temperatures.

Is this relay compatible with all Copeland compressors?
No, overload relays are calibrated to specific motor amperages and frame sizes. Always verify the part number against the compressor nameplate or official Copeland cross-reference data before installation.

This item is not eligible for free shipping.

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.