5925-01-421-8721

Find complete technical information, availability, and procurement data for: 5925-01-421-8721
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-01-421-8721

Item Name Code

00136

Assigment Date

11/16/1995 (30 years ago)

2.265 inches maximum body width, 0.464 inches minimum and 0.526 inches maximum bushing length, multipole-single actuator type body style, 1.969 inches minimum and 2.031 inches maximum body length, 1.499 inches minimum and 1.561 inches maximum center to center distance between terminals parallel to length

Product Characteristics

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

Body Style: multipole-single actuator type
Bushing Length: 0.464 inches minimum and 0.526 inches maximum
Body Length: 1.969 inches minimum and 2.031 inches maximum
Body Width: 2.265 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 1.499 inches minimum and 1.561 inches maximum
Center To Center Distance Between Terminals Parallel To Width: 0.735 inches minimum and 0.765 inches maximum
Mounting Surface To Terminal End Distance: 2.232 inches maximum
Pole Quantity: 3
Mounting Facility Type And Quantity: 1 threaded bushing w/panel seal
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 15.0 amperes ac first location
Maximum Continuous Load Current Rating Per Pole: 30.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole: 30.0 amperes ac third location
Operating Voltage Type And Rating Per Pole In Volts: 240.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 1000.0 ac all locations
Circuit Protection Type: overcurrent all locations
Trip Release Method: magnetic all locations
Trip Release Characteristic: time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0 all locations
Reset Method: manual
Main Contact Tripping Mechanism Type: trip free
Internal Trip Release Configuration: series trip all locations
Nominal Thread Size: 0.500 inches
Trip Delay Time In Seconds Per Rated Continuous Current: 3.000 minimum at 200 pct and 20.000 maximum at 200 pct all locations
Frequency In Hertz: 60.0 all locations
Material: porcelain case
Thread Series Designator: un
Terminal Type And Quantity: 6 tab w/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
M55629A22SNSNSN	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-01-421-8721?

The FSCG of the NSN 5925-01-421-8721 is 5925

Does the NSN 5925-01-421-8721 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-01-421-8721 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 5925-01-421-8721 contain precious materials?

Item does not contain precious metal.

Does NSN 5925-01-421-8721 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 5925-01-421-8721 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Nov 16, 1995