#AM3Z3971 Overload Switch | Circuit Breakers

AM3Z3971

Circuit Breaker

NSN 5925-01-278-8509

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
012788509

Detail Specifications

Body Style:
Multipole-multiple actuator type
Body Length:
2.500 inches
Body Width:
2.250 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
1.938 inches
Center To Center Distance Between Terminals Parallel To Width:
0.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
2.062 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
0.750 inches
Boss Height:
0.140 inches
Mounting Surface To Terminal End Distance:
2.720 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 threaded hole
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
15.0 amperes ac all locations and 15.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
250.0 ac all locations and 28.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
1000.0 ac all locations and 2000.0 dc all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic all locations
Trip Release Characteristic:
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
130.0 all locations
Reset Method:
Manual
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
3 toggle
Internal Trip Release Configuration:
Relay trip all locations
Thread Size:
0.138 inches
Inclosure Protection Type For Which Designed:
Fungus resistant and moisture resistant and humidity resistant and shock resistant and vibration resistant
Frequency In Hertz:
400.0 all locations
Thread Series Designator:
Unc
Terminal Type And Quantity:
12 threaded stud
NSN:
5925-01-278-8509
Item Name:
Overload Switch
Cage Code:
74193

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N AM3Z3971

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Last Updated: 07/31/2025