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United Electric J21K-140-1520 Differential Pressure Switch 0-6 PSI with Adjustable Deadband

United Electric J21K-140-1520 Differential Pressure Switch 0-6 PSI with Adjustable Deadband
Images for general purposes only. Actual may be different than depicted.
United Electric J21K-140-1520 Differential Pressure Switch 0-6 PSI with Adjustable Deadband

United Electric J21K-140-1520 Differential Pressure Switch 0-6 PSI with Adjustable Deadband

SKU: J21K-140-1520
Rating:
Quantity Price Stock
Usually ships 1-2 weeks
Usually ships 1-2 weeks
$786.47     /ea
Usually ships 1-2 weeks
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J21K-140-1520
United Electric J21K Series Differential Pressure Switch

The J21K differential pressure switch monitors the difference between two system pressures or vacuums and senses excessive flow deviation, or verifies that a filter is clogged. The J21K’s rugged design – with epoxy coated enclosure and sealed metal bellows – lends itself to exacting applications.  Widely used in refrigeration (chiller) and compressor applications, the J21K can be used for filter status monitoring and proof of flow.

Features:
  • Rugged, NEMA 4X, epoxy coated enclosure
  • ​SPDT switch output
  • ​Welded 316 stainless steel or brass sensors
  • ​Unique isolated sensor design
  • ​Adjustable ranges:
    • 30 “Hg Vac to 90 psid
    • 1 bar Vac to 6,2 bar d
  • ​UL listed and cUL certified
  • ​Optional ATEX or GOST intrinsic safety compliance
  • ​Designed to meet Enclosure Type 4X
  • ​SPDT switch output
  • ​Adjustable deadband option for precise on-off control
  • ​Brass or welded stainless steel bellows sensors
  • ​External manual reset option
Storage Temperature Range -65 to 160°F (-54 to 71°C)
Ambient Temperature Limits -40 to 160°F (-40 to 71°C); set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change
Set Point Repeatability ±1% of adjustable range
Shock Set point repeats after 15 G, 10 millisecond duration
Vibration Set point repeats after 2.5 G, 5-500 Hz
Enclosure Die cast aluminum, epoxy power coated, gasketed
Enclosure Classification Designed to meet enclosure type 4X requirements with M900 option (watertight conduit fitting)
Switch Output One SPDT snap action switch; switch may be wired "normally open" or "normally closed"
Electrical Connection 7/8" diameter conduit hole

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