United Electric Controls - H121 Series - Div. 1 & Nema 4X Pressure Switch

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United Electric Controls H121 Series; NEMA 4X, 7 & 9 Pressure Switch; Class I Divisions 1& 2 Groups B, C and D; Class II Divisions 1 & 2 Groups E, F and G; Class III; One SPDT Output; Epoxy Coated Enclosure; External Adjustment with Reference Dial
Part Number
Description


H121-126
1/4"NPT Nickel Plated Brass Pressure Connection; Brass Bellows; 30"Hg Vacuum to 0 Adjustable Setpoint Range; 0.2 to 0.9"Hg Fixed Deadband; 5 psi Proof Pressure
[On Sale]
H121-450
1/4"NPT Aluminum Pressure Connection; Buna-N Diaphragm; 30"Hg Vacuum to 0 Adjustable Setpoint Range; 0.1 to 0.4"Hg Fixed Deadband; 225 psi Proof Pressure
[On Sale]
H121-S126B
1/2"NPT 316SS Pressure Connection; Welded 316SS Bellows; 30"Hg Vacuum to 0 Adjustable Setpoint Range; 0.2 to 0.9"Hg Fixed Deadband; 5 psi Proof Pressure
[On Sale]

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