UE压力开关H100-488H100-489（US UE pressure switch H100-488 H100-489 ）

US UE pressure switch H100 series H100-488  H100-489    Features: * One switch model output * Epoxy-coated and cast-aluminum housing meets NEMA 4X standards * Set point lock to prevent misuse * Heat trace level antifreeze protection * Pressure resistance up to 10.000psi (689.5bar) * Adjustable range pressure: 30″Hg Vac to 5000psi (-1 to 344.7bar)              Micro pressure 300″wc vacuum to 250″wc pressure (-746.7 to 622.3mbar)              Differential pressure 0.2″wcd to 500psid (0.2mbar to 34.5bar)              Temperature -180 to 650°F (-117.8 to 343.3°C) application:  H100 series pressure and temperature switch is a series of switches with very good performance and price. It is widely used in industrial processes and OEM users. The integrated design and the shape and structure of the shell make it stronger and more convenient for wiring. A variety of process interface options to meet various requirements: Utilizing its own characteristics, the 100 series is widely used in heat tracking, antifreeze protection, process equipment (pumps, compressors), alarm panel input and flame resistance break system.  technical parameter: Storage temperature -54～71℃ Ambient temperature -40～71℃; 520-525.700-706 type: -18～71℃. The ambient temperature changes by 28℃. The typical drift of the set point does not exceed 1%  Set point repeatability temperature switch: ±1% within adjustable range Pressure switches 171-174.218.270-376.520-535.700-706.560-564 and other models are ±1% of the adjustable range; models such as 190-194.183-189.483-489.565-567.610-680.490-494 are ±1.5% of the adjustable range; All pressure switches have internal set point lockout 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 (copper max. 0.6%). With epoxy resin coating. Stainless steel anti-jamming scale cover with sealing gasket. Clamping screw The enclosure level complies with NEMA4X.IP65 requirements The switch output is a single pole double throw (SPDT) snap action switch. Can be connected as "normally open" or "normally closed" Electrical rating 15 amps. 125/250/480 VAC  Weight 2-7 lbs (varies by model) Electrical connection 1/2" NPTF interface; two 7/8" diameter punched holes The pressure connection port is 1/4"NPTF; 171-194.483-489.520-535 and other models are 1/2"NPTF; 560-564 is 2" sanitary connection; 565-567 is 1 1/2" sanitary connection Temperature Assembly Bulb and Capillary: 6ft 304 Stainless Steel In-line: Nickel-plated brass (standard length). Optional 316L stainless steel Filler non-toxic oil  Under laboratory conditions in temperature dead zone. Typical value for F type switch is 1% of set point range. B, C, E type switch is 2% Heat trace or freeze protection thermometers are specially designed for applications such as freeze protection. Use the B100 and E100 switches for ambient detection. The technical parameters are roughly the same as listed above. Only the B100-13546 model has an electrical rating of 22 amps /480 VAC switch; Model E100-13545 switch is rated at 22 A/480 VAC. Dimensions are 10 ft long stainless steel capillary 

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