Model: ETN2743-11

Circuit Breaker

Properties:

Body Style
Multipole-single actuator type
Body Length
10.000 inches
Body Width
4.125 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
5.562 inches
Center To Center Distance Between Terminals Parallel To Width
2.750 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.625 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
2.750 inches
Fragility Factor
Moderately delicate
Boss Height
0.812 inches
Mounting Surface To Terminal End Distance
6.250 inches
Pole Quantity
3
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 unthreaded hole
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
15000.0 ac all locations and 15000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal-magnetic all locations
Trip Release Characteristic
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
150.0 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
External Actuator Linkage Arrangement
One, two, and three linked
Auxiliary Switch Function And Quantity
1 alarm
Switch Location And Position Designation
Internal at pole one
Inclosure Protection Type For Which Designed
Dustproof
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Switch Terminal Type
Compression
Switch Current Rating And Type In Amps
15.0 ac and 0.5 dc
Switch Voltage Rating And Type In Volts
460.0 ac and 250.0 dc
Frequency In Hertz
60.0 all locations
Unpackaged Unit Weight
5.500 pounds
Terminal Type And Quantity
6 compression
NSN
5925-01-093-4981
Part Number
ETN2743-11
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 ETN2743-11 NSN 5925-01-093-4981

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:
6.4000lbs
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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