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5925-01-222-8171

Find complete technical information, availability, and procurement data for: 5925-01-222-8171

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5925-01-222-8171
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5925 Circuit Breakers
National Stock Number
5925-01-222-8171
Item Name Code
04558
Assigment Date
12/18/1985 (40 years ago)

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.

9.000 inches nominal overall width, 12.000 inches nominal overall length, rectangular dimensional envelope body style, 0.203 inches nominal unthreaded mounting hole diameter, 6.812 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style
rectangular dimensional envelope
Overall Length
12.000 inches nominal
Overall Height
6.812 inches nominal
Overall Width
9.000 inches nominal
Unthreaded Mounting Hole Diameter
0.203 inches nominal
Pole Quantity
3
Mounting Facility Type And Quantity
5 unthreaded hole
Features Provided
adjustable trip release
Maximum Continuous Load Current Rating Per Pole
225.0 amperes ac all locations
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 and time delay 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
+650.0 to 1300.0 ac all locations
Trip Delay Time In Seconds Per Rated Continuous Current
270.000 nominal at 200 pct all locations
Trip Release Ambient Temp Rating
50.0 celsius nominal all locations
Criticality Code Justification
feat
Special Features
can only be safely used with new type fuse
Frequency In Hertz
60.0 all locations
Terminal Type And Quantity
6 compression

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5925-00-624-3058 No Name Available 09/01/1990

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
ETN-5326 Circuit Breaker Tripper
ETN5326A Circuit Breaker Tripper

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5925-01-222-8171?
The FSCG of the NSN 5925-01-222-8171 is 5925
Does the NSN 5925-01-222-8171 have a Schedule B code assigned?
Yes, the Schedule B code is 8538907020
Does NSN 5925-01-222-8171 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5925-01-222-8171 contain precious materials?
Item does not contain precious metal.
Does NSN 5925-01-222-8171 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5925-01-222-8171 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Wed, Dec 18, 1985

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