Ashcroft NPA-Series NEMA 4 Pressure Switch
Ashcroft NPA-Series NEMA 4 pressure switches are designed for pressure control in harsh applications needing high cycle rates functionality.
The Ashcroft NPA-Series NEMA 4 pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement.
Ashcroft NPA-Series NEMA 4 Pressure Switch – Applications
- Machine Tools
- Injection Molding Machines
- Presses
- Pumps
- Turbines and Compressors
- Specialized OEM Equipment
- Pipelines
- Hydraulic Systems
- High-Cycling
The Ashcroft NPA-Series NEMA 4 is ideal for use with pressure control, shutdown or alarm operations
Ashcroft NPA-Series NEMA 4 Pressure Switch – Features
- Multi-turn potentiometers allow easy setpoint and deadband adjustments
- Switch status indication
- SPDT 10 amp relay
Ashcroft NPA-Series NEMA 4 Pressure Switch – Product Specifications
| Ashcroft Model Number | Ashcroft NPA-Series NEMA 4 |
| Setpoint | Single |
| Accuracy | ±0.50% full scale |
| Enclosure | NEMA 3, 4, 4X and 13 (IP66); aluminum enclosure |
| Pressure Ranges | 60 to 20,000 psi |
| Stability | ±0.5% F.S./year non-cumulative |
| Durability | 108 cycles 20/80% F.S. with negligible performance change |
| Response time | Less than 5m sec |
| Temperature Limits | Storage –65/+250°F Operating –20/+180°F Compensated –20/+160°F |
| Output Signal | 4-20mA (2 wire) |
| Supply Voltage | 36 Vdc unregulated |
ASHCROFT NPA-SERIES NEMA 4 – How To Order
Here is a typical ordering example for an Ashcroft NPA-Series NEMA 4 pressure switch – for technical support, specification and sales contact T&D.
Ashcroft Switch N P A N 4 D L S 0 1 X E A 30 PSI
- Function : Single setpoint, adjustable deadband (NPA)
- Enclosure : Watertight NEMA 3, 4, 4X, 13 and IP66 (N4)
- Output : SPDT Relay 10A, 250 Vac 10A, 30 Vdc (D)
- Power Requirement: 110 Vac, 50/60Hz. (L)
- Pressure Port : 1 ⁄8 NPT Male (S01)
- Pressure Connection : 1⁄4 NPT Male (02)
- N-Series Options : External setpoint adjustment Consult factory for other options (XEA)
- Nominal Range Performance Table (psi) : (30 PSI)
Pressure Gauges – Ashcroft commercial gauges can be used to measure pressure on fire protection sprinkler pipework systems.
ASHCROFT
Watch how Ashcroft pressure gauges and temperature instruments protect people in all industries and every environment.
ASHCROFT & THE WATER INDUSTRY
Ashcroft gauges monitor pressure in filtration, flow and level applications including pumps, control systems, filters and heat exchangers – providing process pressure measurement for hydrostatic pressure, filter monitoring or regulating flow and deionized water.
T&D service the global water utility industry with Electrical, Mechanical, Process & Instrumentation Equipment – this includes Water Metering, Heat Tracing, Gas Detection and Process Heating. Image : Mott MacDonald
Hazardous Areas
Ashcroft NPA-Series NEMA 4 Pressure Switch
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