ASCO 57A Series 1/4 NPT N.O. Pressure Switch

The ASCO JB57A274A is a normally open (N.O.) pressure switch featuring a 1/4 NPT external connection. This switch is designed for monitoring and controlling pressure in various applications, including fluid systems and machinery. Its reliable operation and durable construction make it suitable for industrial environments. The N.O. configuration allows for activation when pressure exceeds a predetermined threshold, ensuring effective control.

Catalog #
JB57A274A   Standard Voltage
PRESSURE SWITCH

Technical Information
Automatic Reset
Yes
Enclosure
Screw Terminals
I&M General
P_7077_R2.pdf
Max Ambient Temperature
140 F - 60 C
Max Fluid Temperature
250 F - 121 C
Min Ambient Temperature
-4 F - -20 C
Min Fluid Temperature
-40 F - -40 C
Process Connection Size (NPT)
1/4" NPT
Set Point by factory
Yes

Application / Media	Industrial / commercial fluid control
Manufacturer	Automatic Switch Company
Product Family	Solenoid Valve / Operator / Component
Valve Function	Solenoid Valve / Operator

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