UE压力开关J400-S157B压力控制器（US UE pressure switch J400-S157B pressure controller ）

US UE pressure switch J402 -443 J400-440 J400-441 J400-442 J400-443 J400-444 J400-454 J400-456 J400-457 J400-458 J400-459 J400-450 J400-451 J400-452 J400-453 J400-454   application   The 400 series pressure switch is a multi-purpose series switch, especially suitable for when multiple output and control are required. Two-point and three-point settings provide multi-point output, which can be used for alarm and shutdown, early warning and alarm, high/low limit and liquid level control functions.  All-weather series switches have a variety of micro switches and a variety of process interface options, so that the 400 series switches can meet various needs. Due to its own characteristics, the 400 series is widely used in protection and control, industrial process equipment and pumps, steam turbines, compressors, pulp and paper, water and sewage treatment and other industries.   Features   · One, two or three switching outputs, individually set for 100% span within the setpoint range   · Epoxy coated and cast aluminum housing meets NEMA 4X standards   . There are a variety of pressure components and materials to choose from   . There is a reference scale or a hex screw for adjustment when setting   . FM Approved   . adjustable range             Pressure: 30″Hg Vac to 6000psi (-1 to 413.7bar)              Micro pressure 300″wc vacuum to 250″wc pressure (-746.7 to 622.3mbar)              Differential pressure 1″wcd to 200psid (2.5mbar to 13.8bar)              Temperature -180 to 650°F (-117.8 to 343.3°C)   technical parameter Storage temperature -54～71℃  Ambient temperature -40～71℃ For every 28℃ change in ambient temperature, the typical drift of the set point does not exceed 1% Set point repeatability temperature switch: ±1% within the adjustable range;   Pressure switch 126-376 type, 520-535 type: ±1% within the adjustable range; Type 440-559: ±0.5% within the adjustable range Type 610-614: ±1.5% within the adjustable range Shock resistance tested at 15G, 10ms cycle time. Reproducible set point     Anti-vibration After 2.5G, 5 ~ 500HZ vibration test, the set point can be reproduced Housing die-cast aluminum alloy with epoxy resin coating. Gasket sealing. Clamping screws     The enclosure protection level plus option M900 can meet the requirements of NEMA4X.IP65 (waterproof electrical interface)  One switch output, two or three single-pole double-throw (SPDT) outputs, which can be set separately in the whole range. Type 531-534 is 50%; Type 520, 525, 535 is 30%; the switch can be connected as "normal" "open" or "normally closed"      Electrical rating 15 amps. 125/250/480 VAC  Weighs approximately 3-7.5 lbs     Three 7/8" diameter punched holes for electrical connections Pressure connection port 1/4"NPTF; S126B-S164B type. 520-535 type; 1/2"NPTF     Temperature switch assembly The E series uses the same components as the F series. However, the range is limited due to the reference scale. Temperature bulb and capillary: 6 feet. 304 stainless steel in-line: 120 and 121 models: nickel-plated brass; optional 316L Stainless steel Filling material 1BS type: solvent; 2-8 type: non-toxic oil Model 147-S157B. In the middle of the set point range; accuracy approximately 1.5% at 50%. 3% at both ends; indicator window is plexiglass material. Gasket sealed. Indicator at any setting within the adjustable range On-site adjustment on the spot. The accuracy can reach ±1% 

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