UE H121 Vacuum Switch

Part Number:
H121-S126B
Quantity Available:
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UE H121 Vacuum Switch, 30" Hg Vac-0 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT elect. conn., NEMA 4X, 7 & 9 encl., welded 316LSS bellows, 1/2" FNPT SS press. conn., external adjust. w/ref. dial

Front View of United Electric H121-S126B
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$570.00
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The UE 120 Series explosion-proof vacuum and pressure switches are approved for Class I and II, Div. 1 & 2 explosive and corrosive atmospheres. Available in a choice of sensors, ranges, switch configurations, process connections, and electrical ratings; the 120 Series is an ideal choice for the most demanding applications in chemicals, refining, oil and gas production, petrochemicals and pharmaceuticals.

  • Approved for explosive and corrosive atmospheres
  • Epoxy-coated 4X enclosure
  • Internal or external adjustment via calibrated dials
  • Welded diaphragm or bellows sensor
  • Adjustable pressure ranges from vacuum to 6000 psi
  • SPDT or DPDT outputs

Detailed product dimension line drawing for United Electric UE H121 Pressure Switch.

Brand United Electric
Select Measurement Type vacuum
Setpoint Adjustment Type external adjustment with reference dial
Switch Type one SPDT
Vacuum Range 30" Hg Vac-0 psi
Wetted Materials stainless steel



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