MCA2

View detailed technical data, stock status, and sourcing information for: MCA2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-00-173-7650

Item Name Code

00136

Assigment Date

01/01/1963 (63 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."

1.343 inches nominal body width, 2.000 inches nominal overall length, single pole type body style, 0.250 inches nominal unthreaded mounting hole diameter, 0.906 inches nominal 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: single pole type
Overall Length: 2.000 inches nominal
Body Width: 1.343 inches nominal
Center To Center Distance Between Terminals Parallel To Length: 0.906 inches nominal
Unthreaded Mounting Hole Diameter: 0.250 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 1.574 inches nominal
Fragility Factor: moderately rugged
Mounting Surface To Terminal End Distance: 1.234 inches nominal
Pole Quantity: 1
Arc Quenching Method: magnetic blowout
Mounting Facility Type And Quantity: 2 unthreaded hole
Storage Type: general purpose warehouse
Maximum Continuous Load Current Rating Per Pole: 2.0 amperes ac and 2.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts: 110.0 ac and 30.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 575.0 ac and 875.0 dc single location
Circuit Protection Type: overcurrent single location
Trip Release Method: thermal single location
Trip Release Characteristic: time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 130.0 single location
Reset Method: automatic
Internal Trip Release Configuration: series trip single location
Trip Delay Time In Seconds Per Rated Continuous Current: 5.000 minimum at 200 pct and 55.000 maximum at 200 pct single location
Inclosure Protection Type For Which Designed: general purpose
Trip Release Ambient Temp Rating: 25.0 celsius nominal single location
Unpackaged Unit Weight: 1.000 ounces nominal
Frequency In Hertz: 60.0 single location
Material: plastic case
Terminal Type And Quantity: 2 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
MCA2	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-00-173-7650?

The FSCG of the NSN 5925-00-173-7650 is 5925

Does the NSN 5925-00-173-7650 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-00-173-7650 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 5925-00-173-7650 contain precious materials?

Precious metal content is unknown

Does NSN 5925-00-173-7650 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 5925-00-173-7650 was assigned to the Federal Catalog?

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