PCB641

View detailed technical data, stock status, and sourcing information for: PCB641
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-581-6021

Item Name Code

00136

Assigment Date

01/01/1963 (63 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

4.349 inches minimum and 4.369 inches maximum center to center distance between terminals parallel to length, 5.240 inches minimum and 5.260 inches maximum body length, 2.990 inches minimum and 3.010 inches maximum body width, 2.677 inches minimum and 2.697 inches maximum body height, multipole-single actuator type body style

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
Body Length: 5.240 inches minimum and 5.260 inches maximum
Body Width: 2.990 inches minimum and 3.010 inches maximum
Body Height: 2.677 inches minimum and 2.697 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 4.349 inches minimum and 4.369 inches maximum
Center To Center Distance Between Terminals Parallel To Width: 0.990 inches minimum and 1.010 inches maximum
Unthreaded Mounting Hole Diameter: 0.190 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 4.349 inches minimum and 4.369 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: 0.974 inches minimum and 0.994 inches maximum
Fragility Factor: moderately rugged
Boss Height: 0.208 inches minimum and 0.228 inches maximum
Pole Quantity: 2
Arc Quenching Method: magnetic blowout
Mounting Facility Type And Quantity: 4 unthreaded hole and 4 threaded hole
Storage Type: general purpose warehouse
Special Handling Feature: magnetic
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 32.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts: 250.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 5000.0 ac all locations
Circuit Protection Type: overcurrent all locations
Trip Release Method: magnetic-hydraulic 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
Manual Actuator Type And Quantity: 1 toggle
Actuator Function: trip-reset
Actuator Position Designation: between pole one and two
Internal Trip Release Configuration: series trip all locations
Nominal Thread Size: 0.164 inches
Inclosure Protection Type For Which Designed: dustproof
Material: plastic case
Thread Series Designator: unc
Terminal Type And Quantity: 4 compression

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
61-593BMG4-16-32	Circuit Breaker
PCB641	Circuit Breaker
SW164	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-00-581-6021?

The FSCG of the NSN 5925-00-581-6021 is 5925

Does the NSN 5925-00-581-6021 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-00-581-6021 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 5925-00-581-6021 contain precious materials?

Precious metal content is unknown

Does NSN 5925-00-581-6021 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 5925-00-581-6021 was assigned to the Federal Catalog?

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