#AM2A8A8-20 Breaker Assembly | Circuit Breakers

AM2A8A8-20

Circuit Breaker

NSN 5925-01-297-9393

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
012979393

Detail Specifications

Body Style:
Multipole-multiple actuator type
Body Length:
Between 2.490 inches and 2.510 inches
Body Width:
Between 2.220 inches and 2.280 inches
Case Material:
Plastic
Center To Center Distance Between Terminals Parallel To Length:
Between 1.928 inches and 1.948 inches
Center To Center Distance Between Terminals Parallel To Width:
Between 0.740 inches and 0.760 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length:
Between 2.052 inches and 2.072 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width:
Between 0.740 inches and 0.760 inches
Fragility Factor:
Moderately rugged
End Application:
Remote system monitor (rsm)
Boss Height:
Between 0.130 inches and 0.140 inches
Mounting Surface To Terminal End Distance:
Between 2.549 inches and 2.673 inches
Pole Quantity:
2
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
6 threaded hole
Storage Type:
General purpose warehouse
Features Provided:
High inrush protection
Thready Qty Per Inch (tpi):
32
Maximum Continuous Load Current Rating Per Pole:
20.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts:
250.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps:
1000.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic-hydraulic all locations
Trip Release Characteristic:
Time delay all locations
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 all locations
Thread Size:
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
2.000 at 200 pct all locations and 20.000 at 200 pct all locations
Inclosure Protection Type For Which Designed:
Dustproof and fungus proof
Frequency In Hertz:
60.0 all locations
Thread Series Designator:
Unc
Terminal Type And Quantity:
6 threaded stud
NSN:
5925-01-297-9393
Item Name:
Breaker Assembly
Cage Code:
74193

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
AM2A8A8-20
Cage Code:
08125
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breakers
------------ P/N AM2A8A8-20

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Last Updated: 05/31/2025