Model: MIL-PRF-55629/20

Circuit Breaker

Properties:

Body Style
Single pole type
Bushing Length
0.625 inches
Body Length
2.000 inches
Body Width
0.750 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
1.530 inches
Mounting Surface To Terminal End Distance
2.232 inches
Pole Quantity
1
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Maximum Continuous Load Current Rating Per Pole
30.0 amperes ac single location and 30.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac single location and 50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac single location and 2000.0 dc single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Magnetic single location
Trip Release Characteristic
Instantaneous single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 single location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip-reset
Internal Trip Release Configuration
Series trip single location
Thread Size
0.500 inches
Frequency In Hertz
60.0 single location
Thread Series Designator
Unf
Terminal Type And Quantity
2 screw
NSN
5925-01-491-2072
Part Number
MIL-PRF-55629/20
Description
Circuit Breaker
CAGE
81349

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 MIL-PRF-55629/20 NSN 5925-01-491-2072

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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