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name£º400 Series UE differential pressure switch

introduction£ºThe 400 Series is a versatile family of vacuum, pressure, differential
pressure and temperature switches 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 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
    ?UL listed and cUL certified.
    FM approved.
    ?CE compliant to low voltage
    directive and pressure equipment
    ?Optional ATEX or GOST intrinsic
    safety compliance.
    ?One, two or three switch outputs
    may be separated up to 100% of
    ?Wide variety of available options
    and pressure sensor modules.
    ?Most models available for
    immediate delivery.
  • specifications
    Storage temperature -65 to 160°F (-54 to 71°C)
    Ambient TEMPERATURE -40 to 160°F (-40 to 71°C); set point typically shifts less than 1% of range for
    limits 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 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?BR>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 One 3/4?NPT and two 7/8?diameter knockouts
    Pressure All models 1/4?NPT (female) except models S126B-S164B, 520-535: 1/2?NPT
    connection (female); models 540-547: 1/8" NPT (female)
    Temperature ‘E?types use the same assemblies as ‘F?types, however, range spans are limited
    assembly 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 Type F typically 1% and type E, B & C typically 2% of range under laboratory
    deadband conditions (70°F ambient circulating bath at rate of 1/2°F per minute change)
    Differential Differential pressure indication available J400K, J402K models 147-S157B;
    pressure indicator 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 ?%
    accuracy at any set point within range
  • Please call Kangna Sen free customer service hotline 4006005217 for details!
  • Please call Kangna Sen free customer service hotline 4006005217 for details!
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Major Product Categories£ºLevel    Pressure    Flow    Temperature    Analysis    Display    Others