5925-00-258-5978

Find complete technical information, availability, and procurement data for: 5925-00-258-5978
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-258-5978

Item Name Code

04558

Assigment Date

01/01/1963 (63 years ago)

8.500 inches nominal overall length, rectangular dimensional envelope body style, 4.625 inches nominal overall width, 3.500 inches nominal overall height, 3 pole quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: rectangular dimensional envelope
Overall Length: 8.500 inches nominal
Overall Height: 3.500 inches nominal
Overall Width: 4.625 inches nominal
Pole Quantity: 3
Mounting Facility Type And Quantity: 6 terminal
Features Provided: adjustable trip release
Maximum Continuous Load Current Rating Per Pole: 175.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts: 500.0 ac all locations
Circuit Protection Type: overcurrent all locations
Trip Release Method: thermal-magnetic all locations
Trip Release Characteristic: instantaneous and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 135.0 all locations
Manual Actuator Type And Quantity: 1 toggle
Actuator Function: trip-reset
Actuator Position Designation: at each pole
Adjustable Trip Setting Current Range Per Pole In Amps: +1170.0 to 1365.0 ac all locations
Trip Delay Time In Seconds Per Rated Continuous Current: 3600.000 nominal at 150 pct all locations
Trip Release Ambient Temp Rating: 50.0 celsius nominal all locations
Frequency In Hertz: 400.0 all locations
Terminal Type And Quantity: 6 screw

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
ETN7992	Circuit Breaker Tripper

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5925-00-258-5978?

The FSCG of the NSN 5925-00-258-5978 is 5925

Does the NSN 5925-00-258-5978 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907020

Does NSN 5925-00-258-5978 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5925-00-258-5978 contain precious materials?

Precious metal content is unknown

Does NSN 5925-00-258-5978 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5925-00-258-5978 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963