Model: NA40

Circuit Breaker

Special Features:

Mounting method is terminal

Properties:

Body Style
Single pole type
Body Length
0.937 inches
Body Width
3.375 inches
Body Height
2.343 inches
Case Material
Plastic
Boss Height
0.218 inches
Pole Quantity
1
Maximum Continuous Load Current Rating Per Pole
40.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts
120.0 ac single location and 240.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 ac single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Thermal-magnetic single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 single location
Ultimate Trip Time Per Pole In Seconds
300.000 single location
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 each pole
Trip Delay Time In Seconds Per Rated Continuous Current
300.000 at 125 pct single location and 25.000 at 200 pct single location and 7.000 at 300 pct single location
Trip Release Ambient Tempurature Rating
25.0 degrees celsius single location
Frequency In Hertz
60.0 single location
Terminal Type And Quantity
1 screw base and 1 quick disconnect, male
NSN
5925-00-500-6749
Part Number
NA40
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 NA40 NSN 5925-00-500-6749

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:
U
ESD:
ESD:
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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