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Circuit Breaker NSN 5925-01-258-8734

Item Description

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

NSN 5925-01-258-8734 NSN: 5925-01-258-8734

Features and Characteristics

Thread Pitch Diameters
+0.3503/+0.3537 inches
Body Style
Multipole-single actuator type
Bushing Length
0.380 inches
Body Length
1.500 inches
Body Width
1.875 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
Between 0.844 inches and 0.906 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.594 inches and 0.656 inches
Nonturn Device Location
At 3 oclock and at 9 oclock
Nonturn Device Diameter
0.250 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
1.780 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
20.0 amperes ac all locations and 20.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations and 50.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac all locations and 500.0 dc all locations
Circuit Protection Type
Undervoltage second location
Trip Release Method
Magnetic-hydraulic all locations
Auxiliary Trip Coil Voltage Type And Rating In Volts
18.0 dc second location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At pole two
Internal Trip Release Configuration
Series/relay trip second location
Thread Size
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current
0.080 at 200 pct all locations and 0.600 at 200 pct all locations
Inclosure Protection Type For Which Designed
Hermetically sealed and shock resistant and vibration resistant
Special Features
Relay trip coil at pole 2 rated 250 milliampere
Frequency In Hertz
400.0 all locations
Thread Series Designator
Unef
Terminal Type And Quantity
6 wire hook
FSC
5925 Circuit Breakers
NIIN
012588734
NSN
5925012588734

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
32338
Cage Code:
09004
Status:
A
MSDS:
Part Number:
AP040-9839-1
Cage Code:
81541
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8536200040
  • NAICS: 335313
  • SITC: 77252
  • Description: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi
  • End Use (Code 20005):
    Electric apparatus

Q & A

Frequently asked questions for NSN 5925-01-258-8734
What are the manufacturers of nsn 5925012588734?
Does this nsn 5925012588734 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5925012588734
A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. may include provisions for manual operation. at least one set of contacts must be in series with the actuating element(s). a combination of semiconductor and passive devices may be used in lieu of contacts. for automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). for items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. excludes circuit breaker box and magneto "breaker" assemblies. see also switch (as modified); and controller.
Does nsn 5925012588734 contain any precious metals?
No precious metal content.
Does nsn 5925012588734 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5925012588734?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
App. Key:
A
Cond. Code:
1
Status:
A

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