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H100-491 UE pressure switch Original UE switch

H100-491 UE pressure switch Original UE switch

UE H100-491 pressure switch general introduction

The 100 Series is a cost-effective pressure and temperature switch for process plants and OEM equipment. The rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.

Storage temperature	-65 to 160°F (-54 to 71°C)
Ambient temperature limits	-40 to 160°F (-40 to 71°C); models 520-525, 540-548, 700-706, 15731-15736: 0 to 160°F (-18 to 71°C); Set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change
Set point repeatability	Temperature models: ± 1% of adjustable range Pressure models 15623, 15731-15737, 171-174, 218, 270-376, 520-535, 540-543, 700- 706, 560-564: ± 1% of adjustable range; models 190-194, 183-189, 483-494, 544-548, 565-567, 610-680, 15884: ±1.5% of adjustable range Internal set point lock on all pressure models
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, captive cover screws
Enclosure classification	Enclosure type 4X
Switch output	One SPDT snap action switch; switch may be wired “normally open” or “normally closed”
Electrical rating	15A 125/250/480 VAC resistive except for H100-15623, 15731-15737, 15884, 20A 125/250/480 VAC resistive, B100-13546 and E100-13545, 22A/480 VAC. Electrical switches have limited DC capabilities at 24-30 VDC, 2A resistive and 1A inductive. 125 VDC, 0.5A resistive, 0.03A inductive. Consult factory for additional information.
Weight	2-7 lbs; Varies with model
Electrical connection	1/2” NPT (female); Two 7/8” diameter knockouts

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H100-491 UE pressure switch Original UE switch

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