Model: SCD51990322-001

Circuit Breaker

Special Features:

Pole four trips with volts only

Properties:

Body Style
Multipole-multiple actuator type
Body Length
Between 2.490 inches and 2.510 inches
Body Width
Between 2.990 inches and 3.010 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.928 inches and 1.948 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.740 inches and 0.760 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.052 inches and 2.072 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.740 inches and 0.760 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.130 inches and 0.150 inches
Mounting Surface To Terminal End Distance
Between 2.461 inches and 2.481 inches
Pole Quantity
4
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
8 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
70.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole
70.0 amperes ac third location
Maximum Continuous Load Current Rating Per Pole
70.0 amperes ac first location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac second location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac first location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac third location
Operating Voltage Type And Rating Per Pole In Volts
28.0 dc fourth location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac third location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
2000.0 dc fourth location
Circuit Protection Type
Overcurrent first location
Circuit Protection Type
Overvoltage fourth location
Circuit Protection Type
Overcurrent second location
Circuit Protection Type
Overcurrent third location
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Instantaneous fourth location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay third location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 second location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 third location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
4 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, three, and four linked
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip first location
Internal Trip Release Configuration
Relay trip fourth location
Internal Trip Release Configuration
Series trip second location
Internal Trip Release Configuration
Series trip third location
Thread Size
0.138 inches
Switch Location And Position Designation
Internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current
0.175 at 200 pct third location and 2.000 at 200 pct third location
Trip Delay Time In Seconds Per Rated Continuous Current
0.175 at 200 pct first location and 2.000 at 200 pct first location
Trip Delay Time In Seconds Per Rated Continuous Current
0.175 at 200 pct second location and 2.000 at 200 pct second location
Inclosure Protection Type For Which Designed
Moisture resistant and salt water resistant and shock resistant and vibration resistant
Switch Terminal Type
Quick disconnect, male
Switch Current Rating And Type In Amps
10.0 ac and 2.5 dc
Switch Voltage Rating And Type In Volts
250.0 ac and 50.0 dc
Frequency In Hertz
400.0 first location
Frequency In Hertz
400.0 second location
Frequency In Hertz
400.0 third location
Thread Series Designator
Unc
Terminal Type And Quantity
10 threaded stud
NSN
5925-01-226-5942
Part Number
SCD51990322-001
Description
Circuit Breaker
CAGE
0C9D4

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 SCD51990322-001 NSN 5925-01-226-5942

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:
1.0000lbs
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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