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Circuit Breaker

Model / MPN: UPGH-966-20780-1 | NSN: 5925-01-213-4198
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
5925-01-213-4198
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Multipole-multiple actuator type
Body Length
Between 1.985 inches and 2.015 inches
Body Width
2.265 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.648 inches and 1.675 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.735 inches and 0.765 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 1.648 inches and 1.675 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.745 inches and 0.755 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.115 inches and 0.145 inches
Mounting Surface To Terminal End Distance
2.032 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
8 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
30.0 amperes dc first location
Maximum Continuous Load Current Rating Per Pole
30.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole
30.0 amperes ac third location
Operating Voltage Type And Rating Per Pole In Volts
120.0 dc first location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac second location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac third location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
3500.0 ac second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
3500.0 ac third location
Circuit Protection Type
Overcurrent second location
Circuit Protection Type
Overcurrent third location
Circuit Protection Type
Undervoltage first location
Trip Release Method
Magnetic all locations
Auxiliary Trip Coil Voltage Type And Rating In Volts
120.0 dc first location
Trip Release Characteristic
Instantaneous first location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay third location
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
3 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, and three linked
Internal Trip Release Configuration
Series trip second location
Internal Trip Release Configuration
Series trip third location
Internal Trip Release Configuration
Series trip w/remote trip feature first location
Thread Size
0.138 inches
Trip Release Duty Cycle
Continuous first location
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct and 20.000 at 200 pct third location
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct and 20.000 at 200 pct second location
Inclosure Protection Type For Which Designed
Shock resistant and vibration resistant and salt spray proof and moisture resistant
Frequency In Hertz
50.0 or 60.0 second location
Frequency In Hertz
50.0 or 60.0 third location
Unpackaged Unit Weight
9.000 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
7 threaded stud

Pricing and Availability

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UPGH-966-20780-1 Cross Reference