#ETN5973 Circuit Breaker Tripping Unit | Circuit Breakers

ETN5973

Circuit Breaker Tripper

NSN 5925-00-259-4789

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002594789

Detail Specifications

Body Style:
Rectangular dimensional envelope
Overall Length:
8.438 inches
Overall Height:
4.250 inches
Overall Width:
4.625 inches
Pole Quantity:
3
Mounting Facility Type And Quantity:
6 terminal
Features Provided:
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole:
125.0 amperes ac all locations and 125.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts:
500.0 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 and time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
150.0 all locations
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Trip-reset
Actuator Position Designation:
At each pole
Adjustable Trip Setting Current Range Per Pole In Amps:
+1950.0/+3900.0 ac all locations and +2250.0/+4100.0 dc all locations
Trip Delay Time In Seconds Per Rated Continuous Current:
3600.000 at 150 pct 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 screw
NSN:
5925-00-259-4789
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 ETN5973

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Last Updated: 08/10/2025