Description
Ranco RHS-0520 Low Pressure Auto-Reset SPST Pressure Control
The Ranco RHS-0520 is a low pressure automatic-reset pressure control designed to protect refrigeration and HVAC systems from unsafe low-side pressure conditions. Featuring a Single Pole, Single Throw (SPST) switching configuration and a 5/20# pressure range, this control reliably monitors system pressure and automatically resets once safe operating conditions are restored — minimizing downtime and reducing the need for manual intervention.
Key Features
- Auto-reset operation — automatically restores circuit when pressure returns to safe range
- SPST switching configuration for straightforward low-side pressure circuit control
- 5/20# pressure range for accurate low-pressure cut-out and cut-in performance
- Designed for use in refrigeration and air conditioning low-side pressure applications
- Ranco quality construction for long-lasting, dependable service
- Compact design for easy installation in tight equipment spaces
Application
The RHS-0520 is ideal for use in commercial refrigeration systems, air conditioning equipment, and other HVAC applications requiring reliable low-side pressure protection. The auto-reset feature makes it well-suited for installations where continuous operation is critical and manual reset access may be limited.
Specifications
- Brand: Ranco
- SKU: RHS-0520
- Control Type: Low Pressure
- Reset Type: Automatic (Auto-Reset)
- Switch Type: SPST (Single Pole, Single Throw)
- Pressure Range: 5/20#







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