NSN 5945-00-666-0964

Thermal Time Delay

About this product

Four mtg holes 0.250 in. Length by 0.188 in. Width 0n 1.000 in. By 1.813 in. Mtg centers.

Manufacturer part number 3257639-1 for national stock number 5945006660964.

Picture of NSN 5945-00-666-0964 Picture of NSN 5945-00-666-0964 Picture of NSN 5945-00-666-0964


  • Product description

    Thermal Relay NSN 5945-00-666-0964.

  • MPN or Model


  • NMF (National Motor Freight)
    061300 - Circuit Breaker/switch NOI
  • Unit Weight (Est.)
    12 lb
  • Overall Length
    2.000 inches
  • Overall Height
    3.500 inches
  • Overall Width
    2.062 inches
  • Contact Arrangement
    Double pole, single throw, normally closed
  • Mounting Facility Type And Quantity
    4 unthreaded hole
  • Contact Maximum Voltage Rating In Volts
    440.0 ac
  • Contact Maximum Current Rating In Amps
    10.0 ac
  • Heater Voltage Rating In Volts
  • Delay Time In Seconds
    Between 32.0 fixed operate and 40.0 fixed release
  • Terminal Type And Quantity
    4 pin
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Thermal Relay

A relay switch which is actuated by the effect of internal heat generated by the current in its energizing circuit. For items actuated by ambient, rather than internal temperature changes, see switch, thermostatic.

Mechanic Bill explains Thermal Time Delay

Pricing and Availability

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3257639-1 Navair And Navsea Managed
229B3554G4AS6-11 Ward Leonard Electric Company Inc.
229B3554G4S6-11 Ward Leonard Electric Company Inc.
229B3554G5AS5-11 Ward Leonard Electric Company Inc.
229B3554G6AS6-11 Ward Leonard Electric Company Inc.
14791205 ITEM 4 Gulf Coast Holdings Inc
6957ED14-1A Eaton Corp
10-1544-4 Drs Power & Control Technologies,
6757ED-14-1A Drs Power & Control Technologies,
6967ED312 PIECE 2 Drs Power & Control Technologies,
6967ED493PC2 Drs Power & Control Technologies,
695ED14-1A Drs Power & Control Technologies,
6962ED3074PC2 Drs Power & Control Technologies,
6962ED3144 PC. NO. 2 Drs Power & Control Technologies,
6957ED14-1A Smith-williston Inc
6957ED141A1 Smith-williston Inc
6957ED14-1A H R Simon And Company Inc
681724-1REVG Lockheed Martin Corporation
5497167-1 Naval Sea Systems Command
105.841-1 Ward Leonard Electric Company Inc.
6957ED14-1A Ward Leonard Electric Company Inc.
6957ED14-3A California Marine Supply, Inc
95D20A ITEM NO. 103 Edge Electronics Corporation
6957ED14-1A Labinal, Llc
8007-012-1 Indal Technologies Inc
167577 Northrop Grumman Systems Corporation
6957ED14-1A Drs Power & Control Technologies,
6957ED14-1 Drs Power & Control Technologies,
5945PL0812614 Inspektorat Wsparcia Sil Zbrojnych
Stock Check
Availability for this item was last checked on 04/16/24. The quantities and conditions available at the time were:
  • NS: 178
  • NE: 271
  • AR: 1