J4401-514 Plunger Switch with Exclusion Seal

CPI J4 series Plunger Switches are as tough as they come, seeing field use in some of the toughest operational environments in the world.

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  • All stainless steel construction
  • Exclusion seal at plunger
  • SPST, normally-open contacts
  • 16AWG SAE J1128 GXL wire
  • .625-18UNF-2A mounting thread

We’ve applied the same patented ball carrier design of the J4 ball switch to high-performance plunger switches, which offer flexibility in mounting and actuator configuration.  These ultra-rugged plunger switches can be configured for the most demanding applications.

Our J4401 Series products are specially designed for a number of applications including high-temperature, high-pressure, long plunger travel, side load actuation, and the ability to withstand hardened sand. There are multiple configurations within the J4401 family. We present just a few of the most common designs. Please contact us to discuss your application requirements and for more product details.

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