Model: 856591-4

Circuit Breaker

Properties:

Thread Pitch Diameters
+0.4752/+0.4787 inches
Body Length
2.000 inches
Body Width
2.265 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.515 inches and 1.545 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.735 inches and 0.765 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.660 inches
Nonturn Device Location
At 12 oclock
Nonturn Device Radius
0.656 inches
Nonturn Device Length
0.130 inches
Nonturn Device Diameter
Between 0.151 inches and 0.161 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.735 inches and 0.765 inches
Fragility Factor
Moderately rugged
Boss Height
0.130 inches
Mounting Surface To Terminal End Distance
2.032 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
6.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
115.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic-hydraulic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 all locations
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 two
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.500 inches
Switch Location And Position Designation
Internal at pole three
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct all locations and 20.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
Corrosion resistant and moisture resistant and shockproof and vibrationproof
Switch Terminal Type
Pin
Switch Current Rating And Type In Amps
10.0 ac and 3.0 dc
Switch Voltage Rating And Type In Volts
250.0 ac and 50.0 dc
Frequency In Hertz
60.0 all locations
Unpackaged Unit Weight
9.000 ounces
Thread Series Designator
Un
Terminal Type And Quantity
6 screw
NSN
5925-01-040-6214
Part Number
856591-4
Description
Circuit Breaker
CAGE
3B150

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 856591-4 NSN 5925-01-040-6214

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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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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