Model: 7271-3-7

Circuit Breaker

Properties:

Body Style
Single pole type
Bushing Length
0.344 inches
Body Length
2.187 inches
Body Width
0.750 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
0.906 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 1.802 inches and 1.822 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
1.343 inches
Pole Quantity
1
Mounting Facility Type And Quantity
2 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
7.5 amperes ac single location and 7.5 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
115.0 ac single location and 28.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
3500.0 ac single location and 3500.0 dc single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Thermal single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
138.0 single location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 push-pull
Actuator Function
Trip-reset
Actuator Position Designation
At pole one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
10.000 at 200 pct single location and 70.000 at 200 pct single location
Inclosure Protection Type For Which Designed
Corrosion resistant and dusttight and explosion proof and sand resistant and shockproof and vibration resistant and moisture resistant
Trip Release Ambient Tempurature Rating
25.0 degrees celsius single location
Frequency In Hertz
400.0 single location
Unpackaged Unit Weight
0.078 pounds
Thread Series Designator
Unc
Terminal Type And Quantity
2 tab w/screw
NSN
5925-01-506-3109
Part Number
7271-3-7
Description
Circuit Breaker
CAGE
82647

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 7271-3-7 NSN 5925-01-506-3109

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

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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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