Model: M55629C21MMMM

Circuit Breaker

Special Features:

The "c" that replaced the slash in the milspec part number means that this is without either high-inrush feature or auxiliary contacts.

Properties:

Body Style
Multipole-multiple actuator type
Body Length
Between 1.969 inches and 2.031 inches
Body Width
1.515 inches
Center To Center Distance Between Terminals Parallel To Length
Between 1.499 inches and 1.561 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.735 inches and 0.765 inches
Mounting Surface To Terminal End Distance
2.087 inches
Pole Quantity
2
Mounting Facility Type And Quantity
1 threaded bushing
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
7.5 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations
Trip Release Method
Magnetic all locations
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Thread Size
0.500 inches
Frequency In Hertz
60.0 all locations
Thread Series Designator
Unf
Terminal Type And Quantity
4 screw
NSN
5925-01-598-7114
Part Number
M55629C21MMMM
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 M55629C21MMMM NSN 5925-01-598-7114

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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