Model: 990C963H01

Circuit Breaker
Description:

Multipole-single actuator type body style, 0.365 inches bushing length, 1.552 inches body length, 1.271 inches body width, metal case material.

Properties:

Body Style
Multipole-single actuator type
Bushing Length
Between 0.365 inches and 0.385 inches
Body Length
Between 1.552 inches and 1.572 inches
Body Width
Between 1.271 inches and 1.291 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
Between 0.865 inches and 0.885 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.615 inches and 0.635 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
Between 1.690 inches and 1.710 inches
Pole Quantity
2
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
5.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 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
150.0 all locations
Ultimate Trip Time Per Pole In Seconds
30.000 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
Between pole one and two
External Actuator Linkage Arrangement
One and two linked
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current
1.000 at 200 pct all locations and 4.500 at 200 pct all locations
Inclosure Protection Type For Which Designed
Dustproof
Frequency In Hertz
400.0 all locations
Thread Series Designator
Unef
Terminal Type And Quantity
4 wire hook
NSN
5925-00-180-3248
Part Number
990C963H01
Description
Circuit Breaker
CAGE
18323

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 990C963H01 NSN 5925-00-180-3248

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:
U
ESD:
ESD:
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:
LVL_B:

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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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