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Circuit Breaker

Model / MPN: FDC3100 | NSN: 5925-01-311-6726
ITAR Registered seal

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 elemen (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.

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Body Style
Multipole-single actuator type
Body Length
6.000 inches
Body Width
4.125 inches
Body Height
3.188 inches
Case Material
Center To Center Distance Between Terminals Parallel To Length
5.063 inches
Center To Center Distance Between Terminals Parallel To Width
1.375 inches
Unthreaded Mounting Hole Diameter
0.164 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
4.282 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
1.375 inches
Fragility Factor
Moderately rugged
Boss Height
0.312 inches
Pole Quantity
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
4 unthreaded hole
Storage Type
General purpose warehouse
Special Handling Feature
Maximum Continuous Load Current Rating Per Pole
100.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
600.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
50000.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal-magnetic all locations
Trip Release Characteristic
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 all locations
Reset Method
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Actuator Position Designation
At pole two
Inclosure Protection Type For Which Designed
Trip Release Ambient Tempurature Rating
40.0 degrees celsius all locations
Frequency In Hertz
50.0 all locations or 60.0 all locations
Unpackaged Unit Weight
4.750 pounds
Terminal Type And Quantity
6 compression
Solicitation Description Qty UOM Close Date
SPE7M519T465K Circuit Breaker 2 EA 05/28/2019

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FDC3100 Cross Reference