Model: ETN-1205

Circuit Breaker

Special Features:

The aqb-a51 is a form, fit and function replacement for the aqb-a50 circuit breaker with enhanced overcurrent protection features

Properties:

Body Style
Multipole-single actuator type
Body Length
4.125 inches
Body Width
3.343 inches
Body Height
3.375 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
2.625 inches
Center To Center Distance Between Terminals Parallel To Width
1.125 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
0.625 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
2.937 inches
End Application
Virgina class submarine
Boss Height
0.125 inches
Pole Quantity
3
Mounting Facility Type And Quantity
2 threaded hole and 6 clip
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
500.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Characteristic
Instantaneous all locations
Reset Method
Manual
Thread Size
0.216 inches
Part Name Assigned By Controlling Agency
Circuit breaker
Frequency In Hertz
60.0 all locations
Thread Series Designator
Unc
Terminal Type And Quantity
6 clip
Specification Data
81349-mil-c-17361/1a government specification
Nondefinitive Specification/std Data
Aqb-a51 type and nqb-a51 type
NSN
5925-01-511-0210
Part Number
ETN-1205
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 ETN-1205 NSN 5925-01-511-0210

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:
A
ESD:
A
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:
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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