ET2638

View detailed technical data, stock status, and sourcing information for: ET2638
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-878-1938

Item Name Code

00136

Assigment Date

01/01/1962 (64 years ago)

4 unthreaded hole mounting facility type and quantity, 0.164 inches nominal unthreaded mounting hole diameter, 100.0 amperes ac all locations maximum continuous load current rating per pole, general purpose warehouse storage type, 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.

Unthreaded Mounting Hole Diameter: 0.164 inches nominal
Pole Quantity: 3
Mounting Facility Type And Quantity: 4 unthreaded hole
Storage Type: general purpose warehouse
Maximum Continuous Load Current Rating Per Pole: 100.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts: 480.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 15000.0 ac all locations
Circuit Protection Type: overcurrent all locations
Trip Release Method: thermal all locations
Trip Release Characteristic: time delay all locations
Reset Method: manual
Main Contact Tripping Mechanism Type: trip free
Internal Trip Release Configuration: series trip all locations
Trip Delay Time In Seconds Per Rated Continuous Current: 1.600 nominal at 150 pct and 30.000 nominal at 200 pct all locations
Trip Release Ambient Temp Rating: 25.0 celsius nominal all locations
Material: plastic case
Terminal Type And Quantity: 6 pin

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
ET2638	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-00-878-1938?

The FSCG of the NSN 5925-00-878-1938 is 5925

Does the NSN 5925-00-878-1938 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-00-878-1938 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 5925-00-878-1938 contain precious materials?

Item does not contain precious metal.

Does NSN 5925-00-878-1938 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 5925-00-878-1938 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962