| BRAND | United Electric |
| Product | H121K-457 |
| Description | Differential Pressure Switches, 120 Series |
| Internal code | ONR4755538 |
| Custom code | 9032200000 |
| Technical specification | Type H121K: single switch with external adjustment dial via reference dial, single conduit Adjustable Set Point Range: 3 to 30 psid / 0,2 to 2,1 bar Deadband: 0.1 to 0.4 psi / 6,9 to 27,6 mbar Working Pressure: 30 ”Hg Vac to 225 psi / -1 to 15,5 bar Proof Pressure: 225 psi / 15,5 bar Dial Divisions: 0.5 psi Pressure Transducer/Sealing: Buna N diaphragm, O-Ring Pressure Connection: 1/4” NPT (female), aluminum Enclosure: Die cast aluminum, epoxy powder coated; gasketed; cover lock; internal set point lock Classification: NEMA 4X / IP66 Switch Output: one SPDT Electrical Rating: 15A 125/250/480 VAC resistive (standard), 2A @ 30 VDC, 1A @ 48 VDC, 0.5A @ 125 VDC Electrical Connection: one 3/4" NPT E/C; terminal block standard |
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