EE2B040

View detailed technical data, stock status, and sourcing information for: EE2B040
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-810-4912

Item Name Code

00136

Assigment Date

01/01/1962 (64 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

2 threaded hole mounting facility type and quantity, 2 pole quantity, 3.000 inches nominal overall width, 6.000 inches nominal overall length, 3.812 inches nominal overall height

Product Characteristics

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

Overall Length: 6.000 inches nominal
Overall Height: 3.812 inches nominal
Overall Width: 3.000 inches nominal
Pole Quantity: 2
Mounting Facility Type And Quantity: 2 threaded hole
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 40.0 amperes ac and 40.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts: 240.0 ac and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 5000.0 ac and 5000.0 dc all locations
Circuit Protection Type: overcurrent all locations
Trip Release Method: thermal all locations
Trip Release Characteristic: instantaneous and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 150.0 all locations
Ultimate Trip Time Per Pole In Seconds: 300.000 nominal all locations
Reset Method: manual
Main Contact Tripping Mechanism Type: trip free
Manual Actuator Type And Quantity: 1 toggle
Actuator Function: trip-reset
Nominal Thread Size: 0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current: 300.000 nominal at 150 pct and 60.000 nominal at 200 pct and 5.000 nominal at 500 pct all locations
Trip Release Ambient Temp Rating: 25.0 celsius nominal all locations
Special Features: mtg holes spaced 4.844 in. c to c
Material: plastic case
Thread Series Designator: unc

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
EE2B040	Circuit Breaker
ET1564	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-00-810-4912?

The FSCG of the NSN 5925-00-810-4912 is 5925

Does the NSN 5925-00-810-4912 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-00-810-4912 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 5925-00-810-4912 contain precious materials?

Precious metal content is unknown

Does NSN 5925-00-810-4912 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 5925-00-810-4912 was assigned to the Federal Catalog?

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