Model: NEF421050

Circuit Breaker

Properties:

Body Style
Multipole-single actuator type
Mounting Slot Width
0.250 inches
Body Length
6.062 inches
Body Width
2.750 inches
Body Height
3.406 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
5.219 inches
Center To Center Distance Between Terminals Parallel To Width
1.375 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
5.125 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
2.500 inches
Boss Height
0.250 inches
Pole Quantity
2
Mounting Facility Type And Quantity
4 slot
Storage Type
General purpose warehouse
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations and 50.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
480.0 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 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
140.0 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
Trip Delay Time In Seconds Per Rated Continuous Current
12.000 at 200 pct all locations and 35.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
General purpose
Trip Release Ambient Tempurature Rating
40.0 degrees celsius all locations
Frequency In Hertz
60.0 all locations
Unpackaged Unit Weight
3.000 pounds
Terminal Type And Quantity
6 compression
NSN
5925-01-188-6297
Part Number
NEF421050
Description
Circuit Breaker
CAGE
21810

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 NEF421050 NSN 5925-01-188-6297

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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
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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