Model: H851-2001-388

Circuit Breaker

Special Features:

Circuit breaker has three pole, single throw normally open switch contact arrangement; mount in vertical plane

Properties:

Body Style
Multipole-multiple actuator type
Body Length
5.125 inches
Body Width
3.108 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 3.480 inches and 3.614 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.996 inches and 1.056 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
1.026 inches
End Application
Weapon launch console assembly for losangeles class submarine 688
Boss Height
0.220 inches
Mounting Surface To Terminal End Distance
Between 3.460 inches and 3.580 inches
Pole Quantity
3
Mounting Facility Type And Quantity
6 threaded hole
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
500.0 ac all locations
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
1000.0 all locations
Ultimate Trip Time Per Pole In Seconds
0.800 all locations and 7.000 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
3 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, and three linked
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.138 inches
Switch Location And Position Designation
Internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current
0.150 at 200 pct all locations and 1.000 at 200 pct all locations and 0.032 at 400 pct all locations and 0.250 at 400 pct all locations and 0.110 at 800 pct all locations
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant and salt water resistant
Switch Terminal Type
Pin
Switch Current Rating And Type In Amps
5.0 ac and 1.0 dc
Switch Voltage Rating And Type In Volts
250.0 ac and 50.0 dc
Frequency In Hertz
60.0 all locations
Test Data Document
81349-mil-c-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
6 threaded stud
Specification Data
81349-mil-c-55629/17 government specification
NSN
5925-01-497-1934
Part Number
H851-2001-388
Description
Circuit Breaker
CAGE
96169

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 H851-2001-388 NSN 5925-01-497-1934

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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