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UE Ex-proof pressure switch UE J120-453 UE J120-454

UE Ex-proof pressure switch J120-453 UE J120-454

UE J120-453 UE J120-454 how to order

Select a Type
Refer to the “Type” section below.
Determine type number based on switch
output, enclosure, adjustment and reference.

Select a Model
Refer to the “Model Charts”
Determine model based on adjustable
range, deadband and proof pressure.
Fill in the model portion of your part number
with the corresponding number.

Select an Option
Refer to the “Options” section
Determine option number based on switch
output, optional materials or other product
enhancements.
Fill in the option portion of your part number
with the corresponding number.
Leave “option” portion blank if no options
are needed. FOR MULTIPLE OPTIONS: Call
United Electric Controls.

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: 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: ±1% of adjustable range Pressure models 126-164, S126B-S164B, 171-174, 270-274, 358-376, 520-535, 540-543, 560-564, 701-705: ±1% of adjustable range; models 450-559: ±1/2% of adjustable range; models 36-39, 183-194, 483-494, 544-548, 565-567, 612-680: ±1 1/2% of adjustable 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 (max. 0.4% copper), epoxy powder coated; gasketed; coverlock; internal set point lock standard on types J, C, F; gasketed aluminum tamper-resistant dial cover on types B, H, E; aluminum nameplate
ENCLOSURE CLASSIFICATION	Certified to enclosure type 4X. Types 820E, 822E; designed to meet NEMA 4 requirements with option M300; Class I, Division 1 product meet enclosure type 7; Class II, Division 1 products meet 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	15 A 125/250/480 VAC resistive (standard) except types H122P; 11A 125/250 VAC resistive; B121-13272, B122-13322, E121-13273, E122-13321; 22A 480VAC resistive
REFERENCE SCALES	Types B, E & H: external dial. Scale divisions vary with range.

UE Ex-proof pressure switch J120-453 UE J120-454

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UE Ex-proof pressure switch UE J120-453 UE J120-454

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