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Circuit Breaker

Model / MPN: AM4-A3A3A3A6-A-50-2 | NSN: 5925-01-287-4283
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
5925-01-287-4283
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Multipole-multiple actuator type
Body Length
Between 2.468 inches and 2.532 inches
Body Width
Between 2.968 inches and 3.032 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.906 inches and 1.970 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.722 inches and 0.782 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.030 inches and 2.094 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.722 inches and 0.782 inches
Boss Height
Between 0.140 inches and 0.172 inches
Mounting Surface To Terminal End Distance
Between 2.688 inches and 2.752 inches
Pole Quantity
4
Mounting Facility Type And Quantity
8 threaded hole
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac third location
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac 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 first 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
1000.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac third location
Circuit Protection Type
Overcurrent first location
Circuit Protection Type
Overcurrent second location
Circuit Protection Type
Overcurrent third location
Trip Release Method
Magnetic-hydraulic second location
Trip Release Method
Magnetic-hydraulic third location
Trip Release Method
Magnetic-hydraulic first location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay third location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 second location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 third location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
4 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, three, and four linked
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip first location
Internal Trip Release Configuration
Series trip second location
Internal Trip Release Configuration
Series trip third location
Thread Size
0.138 inches
Switch Location And Position Designation
External at pole four
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct second location and 20.000 at 200 pct second location
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct first location and 20.000 at 200 pct first location
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct third location and 20.000 at 200 pct third location
Inclosure Protection Type For Which Designed
Fungus resistant and humidity resistant and moisture resistant and shock resistant and vibration resistant
Switch Terminal Type
Threaded stud
Switch Current Rating And Type In Amps
50.0 ac
Switch Voltage Rating And Type In Volts
250.0 ac
Frequency In Hertz
50.0 fourth location or 60.0 fourth location
Frequency In Hertz
60.0 first location
Frequency In Hertz
60.0 second location
Frequency In Hertz
60.0 third location
Unpackaged Unit Weight
9.500 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
8 threaded stud

Pricing and Availability

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AM4-A3A3A3A6-A-50-2 Cross Reference
  • 11426-90003
  • UPL5111-22195-1