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USA UE EXPLOSION-PROOF PRESSURE SWITCH UE J120-494

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USA UE explosion-proof pressure switch UE J120-494

UE J120-494 Features
• Class I, Div. 1 & 2, Groups B, C, & D Class II, Div. 1 & 2, Groups E, F, & G Class III
• Choice of one or two SPDT, optional DPDT output
• Dual electrical conduit openings
• Terminal block wiring
• Welded diaphragm or bellows sensor
• Cover lock
• Ultra-low pressure ranges

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.

J120-520 J120-560 J120-183 J120-488 J120-193 J120-156 J120-702 J120-552
J120-521 J120-561 J120-184 J120-489 J120-194 J120-164 J120-703 J120-553
J120-522 J120-562 J120-185 J120-S126B J120-490 J120-356 J120-704 J120-554
J120-523 J120-563 J120-186 J120-S134B J120-491 J120-358 J120-705 J120-555
J120-524 J120-564 J120-188 J120-S137B J120-492 J120-361 J120-706 J120-15834
J120-525 J120-565 J120-189 J120-S144B J120-493 J120-376 J120-450 J120-15835
J120-530 J120-566 J120-483 J120-S152B J120-494 J120-270 J120-451 J120-15836
J120-531 J120-567 J120-484 J120-S156B J120-126 J120-274 J120-452 J120-15837
J120-532 J120-171 J120-485 J120-S164B J120-134 J120-612 J120-453 J120-15838
J120-533 J120-172 J120-486 J120-190 J120-137 J120-616 J120-454 J120-15839
J120-534 J120-173 J120-191 J120-144 J120-680 J120-550  
J120-535 J120-174 J120-192 J120-152 J120-701 J120-551  

USA UE explosion-proof pressure switch UE J120-494

About Us

About Us

Xi`an Ao Xin Automation Instrument Co., Ltd., is located in Xi`an city which is the authoritive centre of instrument and gauge .It is cooperated with many related domestic cooperation to research ,sale and service and also obtained the cert of ISO9001-2008. overall strength of the industry 's leading domestic well-known enterprises .Over the years, the company under the "integrity, innovation , development and harmony " principle of service .

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