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Worldwide distributor of NSN parts and consumables located in the USA.

Circuit Breaker Tripper

Model / MPN: ETN8257 | NSN: 5925-00-058-4564
ITAR Registered seal

An electromechanical device which releases the holding mechanism and permits the contacts of a circuit breaker to open. It is a replacement part of a circuit breaker. Does not include relays. See also thermal release, circuit breaker.

Product Details
NATO Stock Number
5925-00-058-4564
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Rectangular dimensional envelope
Overall Length
8.469 inches
Overall Height
3.109 inches
Overall Width
4.844 inches
Fragility Factor
Moderately rugged
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
6 terminal
Storage Type
General purpose warehouse
Features Provided
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole
800.0 amperes ac all locations and 800.0 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
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 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
Adjustable Trip Setting Current Range Per Pole In Amps
+3200.0 to 5600.0 ac 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
Unpackaged Unit Weight
4.100 pounds
Terminal Type And Quantity
6 turret

Pricing and Availability

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ETN8257 Cross Reference