Model: BB2 B0 34 620 221 D

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Bushing Length
0.240 inches
Body Length
2.000 inches
Body Width
1.515 inches
Center To Center Distance Between Terminals Parallel To Length
1.660 inches
Center To Center Distance Between Terminals Parallel To Width
0.750 inches
Mounting Surface To Terminal End Distance
2.122 inches
Pole Quantity
2
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
20.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
277.0 ac first location
Operating Voltage Type And Rating Per Pole In Volts
80.0 dc second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 ac all locations
Circuit Protection Type
Overvoltage all locations
Trip Release Method
Magnetic-hydraulic all locations
Trip Release Characteristic
Instantaneous all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 push-pull
Thread Size
0.138 inches
Frequency In Hertz
50.0 all locations or 60.0 all locations
Thread Series Designator
Unc
Terminal Type And Quantity
4 screw
NSN
5925-01-542-5622
Part Number
BB2 B0 34 620 221 D
Description
Circuit Breaker
CAGE
73559

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.

Part BB2 B0 34 620 221 D NSN 5925-01-542-5622

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536200040
  • SITC: 77252
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

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