#ETN8255 Circuit Breaker Tripping Unit | Circuit Breakers

ETN8255

Circuit Breaker Tripper

NSN 5925-00-759-9959

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007599959

Detail Specifications

Body Style:
Rectangular dimensional envelope
Overall Length:
21.500 inches
Overall Height:
5.500 inches
Overall Width:
9.000 inches
Unthreaded Mounting Hole Diameter:
0.188 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 unthreaded hole
Storage Type:
General purpose warehouse
Features Provided:
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole:
600.0 amperes ac all locations and 600.0 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:
Thermal-magnetic all locations
Trip Release Characteristic:
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
140.0 all locations
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At pole two
Adjustable Trip Setting Current Range Per Pole In Amps:
+3200.0/+5600.0 ac all locations and +3200.0/+5600.0 dc all locations
Trip Release Ambient Tempurature Rating:
50.0 degrees celsius all locations
Frequency In Hertz:
60.0 all locations
Terminal Type And Quantity:
6 threaded stud
NSN:
5925-00-759-9959
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 ETN8255

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Last Updated: 03/31/2025