#HMA3400T Circuit Breaker Tripping Element | Circuit Breakers

HMA3400T

Circuit Breaker Tripper

NSN 5925-00-449-6965

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004496965

Product Technical Spec.

Body Style:
Rectangular dimensional envelope
Overall Length:
16.000 inches
Overall Height:
5.500 inches
Overall Width:
8.250 inches
Unthreaded Mounting Hole Diameter:
0.344 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
4 unthreaded hole
Maximum Continuous Load Current Rating Per Pole:
400.0 amperes ac all locations and 400.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
600.0 ac all locations and 250.0 dc all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Magnetic all locations
Trip Release Characteristic:
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
125.0 all locations
Internal Trip Release Configuration:
Series trip all locations
Trip Delay Time In Seconds Per Rated Continuous Current:
110.000 at 200 pct all locations and 550.000 at 200 pct all locations
Frequency In Hertz:
400.0 all locations
Terminal Type And Quantity:
6 compression
NSN:
5925-00-449-6965
Item Name:
Circuit Breaker Tripping Element
Cage Code:
89946

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
457D451G29
Cage Code:
89946
RNCC:
3
RNVC:
2
RNAAC:
HD
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Circuit Breakers
--------- Circuit Breaker Trippers
------------ P/N HMA3400T

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Last Updated: 08/08/2025