#ETN8256 Circuit Breaker Tripping Unit | Circuit Breakers

ETN8256

Circuit Breaker Tripper

NSN 5925-00-457-5364

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004575364

Detail Specifications

Body Style:
Rectangular dimensional envelope
Fragility Factor:
Moderately rugged
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 unthreaded hole
Storage Type:
General purpose warehouse
Operating Voltage Type And Rating Per Pole In Volts:
500.0 ac all locations
Circuit Protection Type:
Overcurrent all locations
Trip Release Method:
Thermal-magnetic all locations
Trip Release Characteristic:
Instantaneous all locations and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
138.0 single location
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Unpackaged Unit Weight:
4.100 pounds
Precious Material And Location:
Contacts silver
Precious Material:
Silver
Terminal Type And Quantity:
6 tab w/screw
NSN:
5925-00-457-5364
Item Name:
Circuit Breaker Tripping Unit
Cage Code:
30086

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 Breaker Trippers
------------ P/N ETN8256

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Last Updated: 08/13/2025