Electronic Pressure Switches, Watertight or Explosion-Proof Enclosure
N-Series
• Ashcroft® K Series polysilicon thin film pressure sensor (transducer) for long, stable life (minimum 1 million cycles at rated load)
• Setpoint repeatability of 0.5% of range
• Choice of watertight, NEMA 4 or explosion-proof NEMA 7/9, IP66 enclosures for safety and reliability
• Pressure setpoints to 20,000 psi
• Deadbands adjustable between 0.1% and 95% of nominal range
• Multi-turn potentiometers make setpoint and deadband adjustments easy
• Status lights indicate switch state
• Continuous power assures operation first time and every time even after years of inactivity
Ideal for pressure alarm, shutdown, control on:
• Machine tools
• Injection molding machines
• Presses
• Pumps
• Hydraulic systems
• Turbines and compressors
• Most process applications
Select a link under the "item" tab below to order.
Table 1 | Table 2 | Table 3 | Table 4 | Table 5 | Table 6 | Table 7 |
XXX | XX | X | X | XXX | XXX | XXX |
Table 1 | Function |
NPA | Single setpoint with adjustable deadband |
Table 2 | Body |
N4 | NEMA 4, IP66, watertight |
N7 | NEMA 7/9, IP66, explosion proof |
Table 3 | Electrical Output |
D | SPDT Relay |
I | SPDT Relay and current output |
Table 4 | Power Requirements |
L | 110 Vac, 50/60 Hz |
C | 24 Vdc |
V | 250 Vac, 50/60 Hz |
Table 5 | Pressure Port |
S08 | ⁷/₁₆ -20 SAE-J514-female |
S07 | ¼ AMINCO-female |
S06 | ½ NPT male |
S05 | ⁷/₁₆ -20 SAE-male |
S03 | ¹/₆ NPT female |
S02 | ¼ NPT male |
S02 | ¼ NPT male |
S04 | ¼ NPT female |
Table 6 | Options |
XEA | External adjustment (N4 only) |
Table 7 | Pressure Range |
20,000⁽¹⁾# | 20,000 psi |
15,000⁽¹⁾# | 15,000 psi |
10,000⁽¹⁾# | 10,000 psi |
7500# | 7500 psi |
5000# | 5000 psi |
3000# | 3000 psi |
2000# | 2000 psi |
1000# | 1000 psi |
750# | 250 psi |
500# | 500 psi |
300# | 300 psi |
200# | 200 psi |
100# | 100 psi |
60# | 60 psi |