Model: 789956-4

Circuit Breaker

Properties:

Body Style
Single pole type
Body Length
3.500 inches
Body Width
0.969 inches
Body Height
2.313 inches
Case Material
Plastic
Fragility Factor
Moderately rugged
Boss Height
0.188 inches
Pole Quantity
1
Mounting Facility Type And Quantity
1 terminal and 1 clip
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Maximum Continuous Load Current Rating Per Pole
20.0 amperes ac single location and 20.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
120.0 ac single location and 125.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 ac single location and 2500.0 dc single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Thermal-magnetic single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
138.0 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
Trip Delay Time In Seconds Per Rated Continuous Current
10.000 at 200 pct single location and 210.000 at 200 pct single location
Inclosure Protection Type For Which Designed
Vibration resistant and shock resistant
Trip Release Ambient Tempurature Rating
50.0 degrees celsius single location
Frequency In Hertz
400.0 single location
Precious Material And Location
Contact surfaces silver
Precious Material
Silver
Test Data Document
81349-mil-c-17588 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.).
Terminal Type And Quantity
1 compression and 1 quick disconnect, female
Specification Data
81349-mil-c-17588 government specification
NSN
5925-00-501-5051
Part Number
789956-4
Description
Circuit Breaker
CAGE
49671

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 789956-4 NSN 5925-00-501-5051

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:
S
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 1.0
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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