Overview
The Ashcroft LPDN4GGV25 is an industrial-grade pressure switch engineered for applications requiring high reliability, safety, and accuracy. The Ashcroft LP pressure switch is designed for use on applications requiring high reliability, safety and accuracy, with straightforward design allowing for easy field installation and calibration. This model combines a 15 PSI nominal range with 500 PSI proof pressure capacity, making it suitable for demanding control and monitoring tasks across multiple industries.
Key Features
- NEMA 4 epoxy-coated enclosure with 2 independently adjustable set points and fixed deadband
- 15 PSI spring setting with 500 PSI proof pressure rating
- Contact rating: 15A @ 125/250 VAC, 0.5A capability
- Ideal for pressure control, safety shutdown or alarm operations where two independent set points or adjustable deadbands are required
- Straightforward design allows for easy field installation and calibration
- Precision snap-acting switch mechanism for repeatable setpoint performance
Technical Specifications
| Pressure Range | 0–15 PSI |
| Proof Pressure | 500 PSI |
| Set Point | 15 PSI |
| Contact Rating | 15A @ 125/250 VAC, 0.5A DC |
| Switch Type | SPDT snap-acting |
| Enclosure Rating | NEMA 4 / IP66 |
| Housing Material | Epoxy-coated aluminum |
| Setpoint Accuracy | ±1% of span |
| Operating Temperature | –20°F to +150°F (–7°C to +66°C) |
| Deadband | Fixed (model dependent) |
| Series | Ashcroft LP Series |
Typical Applications
This pressure switch is ideal for pressure control of compressors, pumps, paint spraying equipment, boilers, burners, turbines, reverse osmosis systems, filters and presses. Common uses include:
- Air compressor unload/load control
- Pump discharge pressure monitoring
- Boiler and burner safety shutdown
- Hydraulic system pressure protection
- Filter clogging alarm indicators
- Process line pressure regulation
Compatibility & Replacements
Compatible With
- 24 VDC, 120 VAC, 240 VAC control circuits
- Pneumatic and hydraulic systems up to 500 PSI proof
- Industrial PLC and automation control systems
- Standard pressure gauge mounting ports
- Refrigeration and compressed air systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The LPDN4GGV25 is a specific model variant within Ashcroft’s LP Series. Related models include LPDN4GGB25 and other LP-series configurations, but cross-compatibility should be confirmed based on your exact pressure range, contact rating, and setpoint requirements.
Works With
- Standard electrical control enclosures
- Siemens S7, Allen-Bradley CompactLogix, and other PLCs via discrete inputs
- Pneumatic directional control valves
- Solenoid coils (15A rated)
- Alarm and indicator lamp circuits
- HVAC and refrigeration controllers
