Model: NQB-A101

Circuit Breaker

Special Features:

Item must comply with requirements of desc production standard no. L02317; @for navy nuclear propulsion plant products only

Properties:

Body Style
Multipole-single actuator type
Body Length
6.500 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
1.375 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
Boss Height
0.187 inches
Mounting Surface To Terminal End Distance
3.875 inches
Pole Quantity
3
Mounting Facility Type And Quantity
4 unthreaded hole
Features Provided
Interchangeable trip release
Maximum Continuous Load Current Rating Per Pole
5.0 amperes ac all locations and 5.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
10000.0 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
Auxiliary Switch Function And Quantity
2 alarm
Adjustable Trip Setting Current Range Per Pole In Amps
+600.0/+700.0 dc all locations
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Switch Terminal Type
Wire lead
Criticality Code Justification
Feat
Precious Material And Location
Contacts silver
Precious Material
Silver
Terminal Type And Quantity
6 threaded stud
NSN
5925-01-043-7346
Part Number
NQB-A101
Description
Circuit Breaker
CAGE
89946

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 NQB-A101 NSN 5925-01-043-7346

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:
S
ESD:
ESD:
MMAC:
CRITL:
Y

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:
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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