Description
Carrier HK02SA445 High Pressure Switch Overview
The Carrier HK02SA445 is a high pressure switch engineered to protect refrigeration and air conditioning systems from dangerously elevated refrigerant pressures. With a cut-out pressure of 660 psig and a cut-in (reset) pressure of 505 psig, this switch delivers reliable, automatic pressure monitoring to safeguard compressors and system components against damage caused by high-side pressure excursions.
Key Features
- Cut-out pressure: 660 psig — opens circuit to shut down system at unsafe high-side pressure
- Cut-in (reset) pressure: 505 psig — automatically resets once pressure returns to safe operating range
- OEM Carrier replacement part — designed for precise fit and performance in compatible Carrier equipment
- Protects compressors and refrigerant circuits from high-pressure damage
- Durable construction built to withstand demanding HVAC/R operating environments
Application
The HK02SA445 is a genuine Carrier OEM high pressure switch intended for use in compatible Carrier air conditioning and refrigeration systems. It is a direct replacement component that ensures your equipment maintains proper pressure protection without compromising system integrity or warranty compliance.
Why Choose the Carrier HK02SA445?
Using a genuine OEM pressure switch ensures accurate pressure thresholds, reliable electrical performance, and compatibility with your Carrier system’s control circuitry. Substituting non-OEM components can result in improper cut-out points, nuisance trips, or inadequate protection — making the HK02SA445 the right choice for professional HVAC technicians and service contractors.
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