UE压力开关J402-270J400-270性能参数（American UE pressure switch J402-270 J400-270 performance parameters ）

American UE pressure switch J402-270 J400-270 performance parameters The technical parameters of UE 400 series universal multi-point output switches are as follows: .Storage temperature -54 to 71 degrees .Ambient temperature -40 to 71 degrees; for every 28 degrees of ambient temperature change, the typical drift value of the set point is less than 1% of the full scale .Set point repeatability temperature switch: plus or minus 2% of the adjustable range Pressure switch: 126-376, 520-535, 540-547, 570-572, S126-S164B type: plus or minus 2% of the adjustable range; 440-457, 550-559 type: plus or minus of the adjustable range 1%; 610-614 type is plus or minus 3% of the adjustable range .Shock resistance After 10 milliseconds, 15G shock test, the set point can be reproduced .Anti-vibration After 2.5G, 5-500Hz vibration experiment, the set point can be reproduced .Shell Die-casting aluminum alloy shell; epoxy resin coating; gasket seal; clamping screw .Enclosure rating meets NEMA 4X requirements .Switch output One, two or three single-pole double-throw (SPDT) outputs; 100% can be set separately within the adjustment range; 521-524, 531-534 type; 50%; 520, 525, 530, 535, 570-572 type; 30% switch can be connected as "normally open" or "normally closed" .Electrical rating 15A, 125/250/480VAC, electrical switch is not used in the form of DC power supply .Weight 3-7.5 lbs; (varies by model) .One 3/4"NPT electrical interface, two 7/8"diameter knock-out holes .Pressure port 1/4"NPTF: S126B-S164B type, 520-535 type: 1/2"NPFT; 540-547 type; 1/8"NPTF .Temperature Assemblies E-Series uses the same components as F-Series, but range is limited due to reference scale. Temperature bulb and capillary; 6 feet long, 304 stainless steel in-line: Type 120 and 121: Nickel-plated brass, also optional 316L stainless steel .Filling 1BS type: filling solvent: 2BS-8BS; filling non-toxic oil .The temperature dead zone is 1% of the full range for F series and 2% for E series under laboratory conditions .Differential pressure indicator is suitable for 147-S157B type of J400K and J402K; the accuracy is about 1.5% at 50% of the range, and 3% at both sides of the endpoint; the indicator window is made of flexible glass: the indicator can be adjusted on site. Accuracy is 1% of set point range   American UE 400 series switch performance UE400 series switch is a multi-purpose pressure switch, especially suitable for multi-point output and control. Two-point and three-point settings provide multiple outputs that 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. 400 series switches are widely used in protection and control, industrial process equipment and pumps, gas turbines, compressors, pulp and paper, water and sewage treatment and other industries. Key Features of UE Switch: One, two or three switching outputs, individually adjustable within 100% of the set point ●Epoxy resin shell design meets NEMA 4X requirements ●A variety of diaphragms are available, such as 316SS, brass, NBR and Teflon ●The switch can choose to refer to the scale or rotate the screw to adjust the set point   

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