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Circuit Breaker

Model / MPN: 711503-1 | NSN: 5925-00-105-1981
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
5925-00-105-1981
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Multipole-single actuator type
Body Length
Between 5.990 inches and 6.010 inches
Body Width
Between 4.115 inches and 4.135 inches
Body Height
Between 3.180 inches and 3.200 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 5.240 inches and 5.260 inches
Center To Center Distance Between Terminals Parallel To Width
Between 1.370 inches and 1.390 inches
Unthreaded Mounting Hole Diameter
0.188 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 4.710 inches and 4.730 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 1.370 inches and 1.390 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.180 inches and 0.200 inches
Pole Quantity
3
Mounting Facility Type And Quantity
5 unthreaded hole and 6 threaded hole
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
20
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
7500.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal-magnetic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
140.0 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
Thread Size
0.250 inches
Trip Delay Time In Seconds Per Rated Continuous Current
30.000 at 200 pct all locations and 100.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant and vibration resistant and shock resistant and salt spray proof and sand resistant and dustproof
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Frequency In Hertz
400.0 all locations
Thread Series Designator
Unc
Terminal Type And Quantity
6 compression
711503 Series Parts

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711503-1 Cross Reference
  • 43E8775