The Sanhua PS50 Series High Pressure Controls are designed to monitor discharge pressure in refrigeration and air conditioning systems. They operate an electrical switch when pressure reaches a selected setting, supporting high-pressure regulation and system protection.
The series is available with automatic or manual reset and either solder or SAE flare pressure connections, allowing technicians to select a suitable configuration for their application.
WHAT IS THIS PRODUCT USED FOR?
The Sanhua PS50 Series High Pressure Controls are used to monitor refrigerant discharge pressure and switch connected electrical equipment when pressure reaches a preset threshold. They can control compressors, condenser fans, and other compatible equipment to help prevent excessive operating pressure.
FEATURES
- High-pressure monitoring for refrigeration and air conditioning systems
- Adjustable pressure setting from 6 to 32 bar
- Automatic and manual reset options
- SPDT electrical switch for control circuit operation
- Solder and SAE flare pressure connection options
- Tin bronze bellows and brass pressure connections
- IP44 enclosure protection
- Supplied with a standard installation plate
OPTIONS
- SAN-PS50AH-S51 – Automatic Reset, 1/4″ Solder Connection
- SAN-PS50AL-S51 – Automatic Reset, 1/4″ SAE Flare Connection
- SAN-PS50MH-S51 – Manual Reset, 1/4″ Solder Connection
SPECIFICATIONS
| Specification | SAN-PS50AH-S51 | SAN-PS50AL-S51 | SAN-PS50MH-S51 |
|---|---|---|---|
| Brand | Sanhua | Sanhua | Sanhua |
| Series | PS50 | PS50 | PS50 |
| Product Type | High Pressure Control | High Pressure Control | High Pressure Control |
| Reset Type | Automatic | Automatic | Manual |
| Pressure Connection | 1/4″ Solder ODF | 1/4″ SAE Flare | 1/4″ Solder ODF |
| Pressure Adjustment Range | 6–32 bar | 6–32 bar | 6–32 bar |
| Differential Pressure | Adjustable, 3–15 bar | Adjustable, 3–15 bar | Fixed, 4 bar |
| Maximum Working Pressure | 35 bar | 35 bar | 35 bar |
| Electrical Contact | SPDT | SPDT | SPDT |
| PED Category IV Certification | No | No | No |
| Manufacturer U11 Code | 10660003902 | 10660002702 | 10660004002 |
GENERAL TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Brand | Sanhua |
| Series | PS50 |
| Control Type | High Pressure |
| Pressure Adjustment Range | 6–32 bar |
| Maximum Working Pressure | 3.5 MPa (35 bar) |
| Medium Temperature | −40°C to +120°C |
| Ambient Temperature | −30°C to +65°C |
| Relative Humidity | 0–95% RH |
| Enclosure Rating | IP44 |
| Electrical Contact | SPDT |
| Bellows Material | Tin Bronze |
| Pressure Connection Material | Brass |
| Application | Refrigeration and Air Conditioning |
**Non-Returnable Item – Electrical & Electronic Components**
We cannot return electrical and electronic components for a refund or credit due to incorrect selection, ordering errors, or change of mind. Please confirm compatibility before purchasing.
Faulty or incorrectly supplied products remain covered by applicable manufacturer warranties and statutory rights.
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