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Circuit Breaker NSN 5925-01-216-1977

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 5925-01-216-1977 NSN: 5925-01-216-1977

Features and Characteristics

Body Style
Multipole-single actuator type
Bushing Length
Between 0.332 inches and 0.375 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
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 third location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac third location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac second location
Circuit Protection Type
Overvoltage first location
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Time delay third 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
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip third location
Thread Size
0.375 inches
Switch Location And Position Designation
Internal at pole three
Trip Delay Time In Seconds Per Rated Continuous Current
0.500 at 200 pct and 9.000 at 200 pct third location
Inclosure Protection Type For Which Designed
Hermetically sealed and shock resistant and vibration resistant
Switch Terminal Type
Tab, solder lug
Switch Current Rating And Type In Amps
0.500 ac
Switch Voltage Rating And Type In Volts
125.0 ac
Frequency In Hertz
60.0 all locations
Thread Series Designator
Unef
Terminal Type And Quantity
6 wire hook and 2 tab, solder lug
FSC
5925 Circuit Breakers
NIIN
012161977
NSN
5925012161977

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
29-1217615-6
Cage Code:
07397
Status:
A
MSDS:
Part Number:
AP411-1R5329-6
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 5925-01-216-1977
What are the manufacturers of nsn 5925012161977?
Does this nsn 5925012161977 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5925012161977
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 5925012161977 contain any precious metals?
No precious metal content.
Does nsn 5925012161977 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5925012161977?
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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