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Ashcroft N-Series Electronic Pressure Switches, Watertight or Explosion-Proof Enclosure

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 1Table 2Table 3Table 4Table 5Table 6Table 7
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Table 1Function
NPASingle setpoint with adjustable deadband
Table 2Body
N4NEMA 4, IP66, watertight
N7NEMA 7/9, IP66, explosion proof
Table 3Electrical Output
DSPDT Relay
ISPDT Relay and current output
Table 4Power Requirements
L110 Vac, 50/60 Hz
C24 Vdc
V250 Vac, 50/60 Hz
Table 5Pressure Port
S02¼ NPT male
S02¼ NPT male
S03¹/₆ NPT female
S04¼ NPT female
S05⁷/₁₆ -20 SAE-male
S06½ NPT male
S07¼ AMINCO-female
S08⁷/₁₆ -20 SAE-J514-female
Table 6Options
XEAExternal adjustment (N4 only)
Table 7Pressure Range
60#60 psi
100#100 psi
200#200 psi
300#300 psi
500#500 psi
750#250 psi
1000#1000 psi
2000#2000 psi
3000#3000 psi
5000#5000 psi
7500#7500 psi
10,000⁽¹⁾#10,000 psi
15,000⁽¹⁾#15,000 psi
20,000⁽¹⁾#20,000 psi


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