GC855EC1

View detailed technical data, stock status, and sourcing information for: GC855EC1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-01-044-3990

Item Name Code

00136

Assigment Date

07/12/1977 (49 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."

1.844 inches minimum and 1.906 inches maximum body width, 0.365 inches minimum and 0.385 inches maximum bushing length, 1.552 inches minimum and 1.572 inches maximum body length, +0.3503 to 0.3537 inches thread pitch diameters, 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.

Thread Pitch Diameters: +0.3503 to 0.3537 inches
Body Style: multipole-single actuator type
Bushing Length: 0.365 inches minimum and 0.385 inches maximum
Body Length: 1.552 inches minimum and 1.572 inches maximum
Body Width: 1.844 inches minimum and 1.906 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 0.865 inches minimum and 0.885 inches maximum
Center To Center Distance Between Terminals Parallel To Width: 0.615 inches minimum and 0.635 inches maximum
Switch Contact Arrangement: single pole, double throw
Fragility Factor: moderately rugged
Mounting Surface To Terminal End Distance: 1.690 inches minimum and 1.710 inches maximum
Pole Quantity: 3
Arc Quenching Method: magnetic blowout
Mounting Facility Type And Quantity: 1 threaded bushing
Storage Type: general purpose warehouse
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 3.0 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: 300.0 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: 115.0 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: at pole two
Auxiliary Switch Function And Quantity: 1 alarm
Internal Trip Release Configuration: series trip all locations
Nominal Thread Size: 0.375 inches
Switch Location And Position Designation: internal at pole three
Trip Delay Time In Seconds Per Rated Continuous Current: 0.500 minimum at 200 pct and 4.500 maximum at 200 pct all locations
Inclosure Protection Type For Which Designed: moisture resistant and hermetically sealed
Switch Terminal Type: tab, solder lug
Switch Current Rating And Type In Amps: 1.0 ac and 0.5 dc
Switch Voltage Rating And Type In Volts: 125.0 ac and 50.0 dc
Frequency In Hertz: 60.0 all locations
Thread Series Designator: unef
Terminal Type And Quantity: 6 wire hook

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
AP112-1R-4341-1	Circuit Breaker
AP112-4341-1	Circuit Breaker
GC855EC1	Circuit Breaker
GC885EC1	Circuit Breaker
HE3-Z83-1	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-01-044-3990?

The FSCG of the NSN 5925-01-044-3990 is 5925

Does the NSN 5925-01-044-3990 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-01-044-3990 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 5925-01-044-3990 contain precious materials?

Item does not contain precious metal.

Does NSN 5925-01-044-3990 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 5925-01-044-3990 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Tue, Jul 12, 1977