Model: MIL-PRF-55629/3

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Body Length
Between 2.479 inches and 2.510 inches
Body Width
Between 1.469 inches and 2.531 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.660 inches and 1.960 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.719 inches and 0.781 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.046 inches and 2.078 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.719 inches and 0.781 inches
Fragility Factor
Moderately rugged
End Application
Nsn 5820-01-504-8870, radio set group
Boss Height
Between 0.109 inches and 0.171 inches
Mounting Surface To Terminal End Distance
Between 2.522 inches and 2.553 inches
Pole Quantity
2
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 threaded hole
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
35.0 amperes ac all locations and 35.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
50.0 dc second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
2000.0 dc second location
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
150.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
2 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One and two linked
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
0.130 at 200 pct first location and 1.600 at 200 pct first location
Inclosure Protection Type For Which Designed
Dustproof
Frequency In Hertz
60.0 first location
Test Data Document
Mil-prf-55629 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unc
Terminal Type And Quantity
4 threaded stud
Specification Data
81349 - mil-prf-55629/3 government specification
Nondefinitive Specification/std Data
-55629/3-410 reference number
NSN
5925-01-537-3147
Part Number
MIL-PRF-55629/3
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-55629/3 NSN 5925-01-537-3147

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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