Model: M55629/1-311

Circuit Breaker

Special Features:

High rush; 3.0amp; .3 max impd ohm

Properties:

Body Style
Single pole type
Body Length
2.490 inches
Body Width
0.750 inches
Center To Center Distance Between Terminals Parallel To Length
1.940 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.060 inches
End Application
Cooling environmental monitor an/fps-13 (v), and (v)2; upgrade early warnign system (uews)
Boss Height
0.140 inches
Mounting Surface To Terminal End Distance
2.514 inches
Pole Quantity
1
Mounting Facility Type And Quantity
2 threaded hole
Trip Release Method
Magnetic single location
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 one
Thread Size
0.140 inches
Thread Tolerance Class
2b internal
Part Name Assigned By Controlling Agency
Circuit breaker
Test Data Document
81349-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
2 threaded stud
Specification Data
81349-mil-prf-55629/1f government specification
NSN
5925-01-567-3790
Part Number
M55629/1-311
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 M55629/1-311 NSN 5925-01-567-3790

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:
KQ
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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