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Overview

HS Series Hermetically Sealed Basic Switch, Single Pole Double Throw Circuitry, 0.5 A at 125 Vac, Integral Lever Actuator, Leadwire Termination.
MICRO SWITCH™ HS Series hermetically sealed switches are designed for applications where maximum electrical rating and maximum sealing are essential, and where size and weight requirements are less critical. These switches are side-mounted through mounting holes located outside the sealed switching chamber.
4HS4-918 Sealed Basic Switches - Honeywell


Technical Specifications

Switch Type MICRO SWITCH™ Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
Ampere Rating 0.5 A
Circuitry SPDT
Termination Leadwire
Sealed Hermetic Sealed
Mounting Centers 25,4 mm [1 in]
Availability Global
UNSPSC Code 39122209
UNSPSC Commodity 39122209 Snap switch
Series Name HS

Technical Specifications

Switch Type MICRO SWITCH™ Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
Ampere Rating 0.5 A
Circuitry SPDT
Termination Leadwire
Sealed Hermetic Sealed
Mounting Centers 25,4 mm [1 in]
Availability Global
UNSPSC Code 39122209
UNSPSC Commodity 39122209 Snap switch
Series Name HS

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
MICRO SWITCH HS Series Hermetically Sealed Premium Large Basic Switches Datasheet English 635KB
HS Series Hermetically Sealed Basic Switches Catalog Information English 212KB
MICRO SWITCH Sealed and High Accuracy Switches Line Guide Product Line Guide English 817KB
Basic, Toggles, and Rocker Switches Range Guide Product Range Guide English 16MB
Aerospace and Defense Product Range Guide Product Range Guide English 18MB

Product Features

  • Hermetically sealed per MIL-PRF-8805, design symbol 5
  • Power load switching capability to 25 A at 28 Vdc
  • Broad temperature tolerance range of -55 �C to 125 �C [-67 �F to 250 �F]
  • High temperature construction for use to 149 �C [300 �F]
  • Not sensitive to changes in altitude or pressure
  • Choice of actuation

Applications

  • Adverse gas or vapor environments
  • Aircraft and helicopters
  • Steam cleaning of food processing machines
  • Moist, dusty, or oily environments
  • Industrial valve control

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