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NSN 5945-01-320-4939

Time Delay Relay

About this product

8 contacts are dry circuits with the following current ratings: 1 amp,28.0 vdc resistive; 125 milliamps,120.0 vac,60 hz resistive.

Manufacturer part number 8881-G552-2 for national stock number 5945013204939.

Datasheet

  • Product description

    Electromagnetic Relay NSN 5945-01-320-4939.

  • MPN or Model

    8881-G552-2

  • Schedule B
    8536.49.0050 (Relays, electromechanical, with contacts rated at less than 10 a, for a voltage exceeding 60 v but not exceeding 1000 v)
  • NMF (National Motor Freight)
    061300 - Circuit Breaker/switch NOI
  • Unit Weight (Est.)
    0.8 lb
  • Thread Class
    2b second mounting facility
  • Thread Direction
    Right-hand second mounting facility
  • Overall Length
    Between 4.312 inches and 4.374 inches
  • Overall Height
    Between 3.925 inches and 4.053 inches
  • Overall Width
    Between 1.719 inches and 1.781 inches
  • Environmental Protection
    Hermetic
  • Fragility Factor
    Moderately rugged
  • Contact Material
    Silver
  • Contact Surface Treatment
    Gold
  • End Application
    Navy equip
  • Winding Quantity
    1
  • Purpose For Which Designed
    General
  • Coil Quantity
    1
  • Winding Dc Resistance Rating
    204.3 ohms single winding and 249.7 ohms single winding
  • Duty Type
    Continuous
  • Arc Quenching Method
    Air
  • Mounting Facility Type And Quantity
    3 threaded stud first mounting facility
  • Storage Type
    General purpose warehouse
  • Cubic Measure
    31.573 cubic inches
  • Thready Qty Per Inch (tpi)
    32 second mounting facility
  • Thread Size
    0.138 inches second mounting facility
  • Mounting Facility Pattern
    In-line first mounting facility
  • Nonpile-up Main Contact Arrangement
    16 pole, double throw, one position momentary
  • Time Delay
    25.00 seconds fixed operate time
  • Operating Voltage Rating And Type At Specificationified Temp
    28.0 volts dc 25 degrees celsius single winding
  • Main Contact Load Current Rating At Maximum Rated Voltage
    5.0 amperes ac resistive load and 5.0 amperes dc resistive load
  • Main Contact Maximum Voltage Rating In Volts
    120.0 ac
  • Precious Material And Location
    Contacts silver and contact surfaces gold
  • Precious Material
    Silver and gold
  • Thread Series Designator
    Unc second mounting facility
  • Terminal Type And Quantity
    50 pin all functions
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Electromagnetic Relay

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

Mechanic Bill explains Time Delay Relay

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NSN 5945013204939

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
8881-G552-2 Inrange Technologies Corporation
6292768 Naval Sea Systems Command
L503001089 Lockheed Martin Librascope
881-G552-2 Inrange Technologies Corporation
881-G552-2 Olympic Controls Corp.
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