United Electric 400 Series Pressure , Vacuum , and Temperature Switches

E400-2BSB J400-453 E400-2Bsb Temperature Switch J400-553 F400-4BS J400-555 F400-8BS J400-S156B H400-274 J400K-455 H400-361 J400K-455-9953 H400-440 J400K-456 H400-555 J400K-456 Pressure Switch H400-S156B J400K-455-M201-M446 H400K-457 B402-121 J400-156 C402-120 J400-358 E402-2BSB J400-376 E402-3BS J400-376 Pressure Switch E402-4BS-1500 J400-441 F402-6BS J400-441 Pressure Switch F402-7BS J400-441-95124 F402-7BS-1500 J400-442 H402-126 J400-442-95131 H402-146 M202 1530 J400-448 J402K-S147B J400-452 J402K-S147B Pressure Sw?tch J400-452-9518 J402K-S157B Differential Pressure Switch H402-164 J402-555 Pressure Switch H402-555 E403-8BS H402K-559 J403-156 J402-144 J403-450 J402-146 J403-451 J402-164 J403-453 J402-270 J403-453-9788 J402-376 J403-555 J402-449-95261   J402-451   J402-453   J402-554   J402-554 Pressure Sw?tch   J402-554-9889   J402-554-M202-QC1   J402-9774   J402-S156B   J402K-455   J402K-455-9925   J402K-456   J402K-457   J402K-559  

The 400 Series is a versatile family that includes vacuum switch, pressure switch, differential pressure switch, and temperature switch models for applications that require single or multiple switching capabilities. Dual- and triple-switch versions provide multi-output for alarm and shutdown, pre-alarm and alarm, high/low limit, or level staging functions.

A wide variety of microswitch and process connection options, along with weather-tight enclosures, make the 400 Series an ideal choice for most ordinary location applications. Its worldwide use is assured with approvals and certifications to agency standards.

Widely used throughout the process industries, 400 Series vacuum switch, pressure switch, differential pressure switch, and temperature switch products provide threshold protection and control for many critical functions. Typical installations are found in industrial gas production; energy generation including pumps, turbines, and compressors; pulp and paper; and water and wastewater treatment.

OverviewRugged, NEMA 4X, epoxy coated enclosure?SPDT or DPDT switch output?Easy access wiring?Single switch output?Internal reference scale and adjustable deadband available?Adjustable ranges:30 “Hg Vac to 5000 psi-1 bar to 344 bar0.2 “wcd to 500 psid0,5 mbar to 34,5 bar-120° F to 650° F-85° C to 340° C?Approvals: UL, CSA, CE, FM?UL listed and cUL certified?CE compliant to low-voltage directive and pressure equipment directiveOptional ATEX or EAC intrinsic-safety compliance??Welded stainless-steel bellows models?Ultra-low pressure, “wc models?Optional sensor material for corrosive mediaHighlights?UL listed and cUL certified. FM approved.?CE compliant to low voltage directive and pressure equipment directive.?Optional ATEX or GOST intrinsic safety compliance.?One, two or three switch outputs may be separated up to 100% of range.?Wide variety of available options and pressure sensor modules.?Most models available for immediate delivery

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