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Datasheet. TB8 specification
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
21.875in. ⁓21-7/8"
The distance measured in a straight line from the bottom to the top of an item.
7.062in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
8.250in.
The number of poles included in the item.
3
The maximum current load that each pole is rated to carry continuously.
800.0 amperes ac all locations
Indicates the type and value of operating voltage for which each pole is designed to operate,expressed in volts.
600.0 ac all locations
Indicates the type of electrical condition that will cause the device to trip.
overcurrent all locations
The means by which the trip mechanism is released.
magnetic all locations
Denotes the type of trip release action.
instantaneous all locations
The means provided to reposition the mechanism so that the device is ready to function.
manual
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
TRI-Break fused TB8 circuit breaker
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
800 amp
Indicates the type and number of terminals for providing electrical connection.
3 screw
Answers.
8.250 inches
Schedule B number: 8536200040
Automatic circuit breakers, for a voltage not exceeding 1,000 v
FSC 5925 ⁓ Circuit breakers
Excluding relays.
NSN 5925-01-479-4446 CIRCUIT BREAKER
800 amp tri-break fused TB8 circuit breaker 8.250" overall width 21.875" overall length
- NIIN
- 014794446
- NIIN Date
- 10/20/00
- Schedule B
- 8536200040
- Name Code
- 00136
- FIIG
- A030A0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - New Zealand
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TB8 / Circuit breakerWhat is the formal definition of this item?
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.
