Model: ET74422

Circuit Breaker
Description:

, 6.500 inches overall length, 4.125 inches overall height, 4.875 inches overall width, plastic case material, 0.190 inches unthreaded mounting hole diameter.

Properties:

Overall Length
6.500 inches
Overall Height
4.125 inches
Overall Width
4.875 inches
Case Material
Plastic
Unthreaded Mounting Hole Diameter
0.190 inches
Fragility Factor
Moderately rugged
Pole Quantity
3
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 unthreaded hole
Special Handling Feature
Magnetic
Features Provided
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole
75.0 amperes ac all locations and 75.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
500.0 ac all locations and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
10000.0 ac all locations and 10000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal-magnetic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
145.0 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
Adjustable Trip Setting Current Range Per Pole In Amps
+900.0/+1050.0 ac all locations
Trip Delay Time In Seconds Per Rated Continuous Current
20.000 at 600 pct all locations and 32.000 at 600 pct all locations
Inclosure Protection Type For Which Designed
General purpose
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Frequency In Hertz
400.0 all locations
Terminal Type And Quantity
6 quick disconnect, female
NSN
5925-00-063-8997
Part Number
ET74422
Description
Circuit Breaker
CAGE
30086

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 ET74422 NSN 5925-00-063-8997

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:
6.3000lbs
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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