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For air conditioners and heat pumps, overload relays are essential for safe operation and equipment protection. These components prevent motor damage, control excessive current, and ensure reliable performance of compressors, fans, and other key system parts.
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-13%Siemens Industrial Controls 3RB3016-2SB0 M/R Overload 3-12 AMPSpecial Price $128.71 Regular Price $148.02
-13%Siemens Industrial Controls 3RB3026-2QB0 Solid State Overload Relay 6-25 AMPSpecial Price $131.63 Regular Price $151.37
-23%- -10%York S1-024-36047-000 Contactor W/Overload 30A 24VSpecial Price $341.87 Regular Price $379.48Out of stock
Overload Relay Parts for Air Conditioners & Heat Pumps
Overload relays for air conditioners and heat pumps are essential components that protect motors, compressors, and fans from electrical strain. They ensure smooth power flow, prevent circuit failures, and maintain reliable system operation, helping improve efficiency and extend equipment lifespan. Additionally, they safeguard compressors and fans by cutting power when motors draw excessive current.
Failing overload relays show clear signs such as frequent system shutdowns, overheating motors, or compressors that fail to start. Tripped circuits, inconsistent performance, and unusual humming or buzzing noises are also indicators. These signs point to electrical strain within the system, signaling that the relay is compromised and affecting the reliable operation of key HVAC components.
PartsHnC offers high-quality overload relays for air conditioners and heat pumps from leading brands like Tecumseh, Danfoss, Carrier, Lennox, and York. We sell trusted and genuine spare parts such as Order overload relays, including 12–19A, 15–20A thermal, 30–40A motor, 30A 24V contactors, protectors, 40A relay switches, and starter relays.
FAQs
What causes frequent overload relay tripping in heat pumps?
Overcurrent, motor strain, or faulty wiring can trigger repeated relay disconnections.
Why does my HVAC system overheat despite proper airflow?
A failing overload relay may cut power incorrectly, preventing normal operation and temperature regulation.
How do overload relays protect heat pump motors?
An overload protection relay disconnects excessive current, safeguarding compressors and fans from overheating or burnout.
Why is my AC making weird noises and not turning on?”
Your overload relay might be failing, cutting power to the compressor to prevent damage.
What can fix my AC that keeps tripping the breaker?
Inspect or replace the overload relay; it may be cutting power during excessive current.
Where are overload relays located in residential HVAC units?
They are generally mounted near the compressor or within motor starter assemblies for protection