United Electric (UE) Pressure Switch

Deskripsi

Pressure Switches UE Series J120

specifications Storage temperature -65 to 160°F (-54 to 71°C) Ambient temperature limits -58 to 160°F (-50 to 71°C); models 36-39, 520-525, 540-548, 701-705, 15834-15839: 0 to 160°F (-17 to 71°C); types 820E, 822E: -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; less than 2% for types E121& E122 Set point repeatability Temperature models: Type B, C and F: ±1% of full scale range Type E: ±2% of full scale range Pressure models 126-164, S126B-S164B, 171-174, 270-274, 358-376, 520-535, 540- 543, 560-564, 701-705, 15622, 15834,-15839: ±1% of full scale range; models 450- 457, 550-559: ±1/2% of full scale range; models 36-39, 183-194, 483-494, 544-548, 565-567, 612-680, 15875: ±1-1/2% of full scale 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 powder coated; gasketed; cover lock; internal set point lock standard on types J, C, F; gasketed stainless steel tamper-resistant dial cover on types B, H, E; aluminum nameplate Enclosure classification Certified to enclosure type 4X. Class I, Division 1 product meets enclosure type 7; Class II, Division 1 product meets enclosure type 9. Certified to IP66 requirements Switch output One or two SPDT; dual switch may be separated up to 100% of range; except type 822E where switch #2 can be set up to 25% of range span below switch #1 setpoint; switches may be wired “normally open” or “normally closed”. Two SPDT hermetic sealed switches available on H122P models Electrical rating* 15A 125/250/480 VAC resistive (standard), 2A @ 30 VDC, 1A @ 48 VDC, 0.5A @ 125 VDC; except types J120-15622, 15834-15839, H121-15875: 20A 125/250/480 VAC resistive, 6A @ 30 VDC, 0.5A @ 125 VDC, 0.25A @ 250 VDC; except types H122P: 11A 125/250 VAC resistive, 5A @ 28 VDC, 1A @ 48 VDC, 0.5A @ 125 VDC; except types B121-13272, B122-13322, E121-13273, E122-13321: 22A 480 VAC resistive, 2A @ 30 VDC, 1A @ 48 VDC, 0.4A @ 125 VDC. Reference scales Types B, E & H: external dial. Scale divisions vary with range (see model charts) Weight 3-8 lbs. Varies with type and model Electrical connection Type H, B, E; one 3/4″ NPT E/C; type J, C, F, 820E, 822E; two 3/4″ NPT E/C; terminal block standard Pressure connection Models S126B-S164B, 171-194, 483-494, 520-535: 1/2″ NPT (female); models 560-564: 2″ flush mount connection; models 565-567: 1-1 ⁄ 2″ flush mount connection; models 540-548: 1/8″ NPT (female); all others: 1/4″ NPT (female)