UE 400 Series Differential Pressure And Temperature Switches

UE 400 Series Differential Pressure And Temperature Switches

• 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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Product Details

Introduction

Weather series pressure switches have a variety of micro switches and a variety of process connection options, making the 400 series UE pressure switches to meet a variety of different needs.

Because of its characteristics, the 400 series pressure switches are widely used in the protection and control, industrial process equipment and pumps, gas turbines, compressors, pulp and paper, water and sewage treatment industries.A wide variety of microswitch and process connection options, along with a weather-tight enclosure, 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, the 400 Series provides 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.


Features

• 1, 2 & 3 switch outputs

• Epoxy-coated enclosure designed to meet enclosure type 4X

• Wide variety of pressure sensors and materials

• Setting via reference dial or hex screw adjustment

• FM approved

• Adjustable Ranges:

"WC ranges: 300 " wc vacuum to 250’’ wc pressure (-746,7 to 622,3 mbar)

Pressure: 30"; Hg Vac to 6000 psi (-1,0 to 413,7 bar)

Differential Pressure: 1" wcd to 200 psid (2.5 mbar to 13,8 bar)

Temperature: -180 to 650 °F (-117.8 to 343.3 °C)


Specifications

Storage temperature

-65 to 160°F (-54 to 71°C)

Ambient temperature limits

-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

Set point

Temperature models: ± 2% of full scale range


Repeatability

Pressure models 126-376, 520-535, 540-547, 570-572, S126B-S164B: ± 2% of full scale range; models 440-457, 550-559: ± 1% of full scale range; models 610-614: ± 3% of full scale 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, epoxy powder coated, gasketed, captive cover screws

Enclosure classification

Designed to meet enclosure type 4X requirements

Switch output

One, two or three SPDT switches, may be separated up to 100% of range except models 521-524, 531-534: 50%; models 520, 525, 530, 535, 570-572: 30%; switches may be wired “normally open” or “normally closed”

Electrical rating

15 A 125/250/480 VAC resistive. Electrical switches have limited DC capabilities. Consult factory for additional information.

Weight

Approx. 3 to 7.5 lbs.; varies with model

Electrical connection

One 3/4” NPT and two 7/8” diameter knockouts

Pressure connection

All models 1/4” NPT (female) except models S126B-S164B, 520-535: 1/2” NPT (female); models 540-547: 1/8" NPT (female)

Temperature assembly

"E" types use the same assemblies as "F" types, however, range spans are limited due to use of reference dials

Bulb and capillary: 6 feet 304 stainless steel

Immersion stem: models 120 &121: nickel-plated brass; optional 316L stainless steel available

Fill

Temperature Models: Model 1BS: solvent filled; models 2-8: non-toxic oil filled

Temperature deadband

Type F typically 1% and type E, B & C typically 2% of range under laboratory conditions (70°F ambient circulating bath at rate of 1/2°F per minute change)

Differential pressure indicator

Differential pressure indication available J400K, J402K models 147-S157B; accuracy approximately 1-1⁄2% mid 50% of range, 3% at ends; window is (option M210) plexiglass and gasketed; indicator may be field adjusted for approximately ±1% accuracy at any set point within range



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