J21K Series - Differential

Overview

The United Electric (UE) J21K Series 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 UE 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.

Specifications:

  • 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
    • Approvals: UL, CSA, CE
  • United Electric
J21K Series
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