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Circuit Breaker

Model / MPN: MILC39019-1 | NSN: 5925-00-054-0177
ITAR Registered seal

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 elemen (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.

Product Details
NATO Stock Number
5925-00-054-0177
Sold in multiples of
1 EA
DEMIL
NO
Thread Pitch Diameters
+0.3503/+0.3537 inches
Body Style
Single pole type
Bushing Length
0.380 inches
Body Length
1.562 inches
Body Width
0.625 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
0.906 inches
Mounting Surface To Terminal End Distance
1.700 inches
Pole Quantity
1
Mounting Facility Type And Quantity
1 threaded bushing
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
5.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Magnetic single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 single location
Ultimate Trip Time Per Pole In Seconds
0.200 single location and 7.000 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 pole one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current
0.055 at 200 pct single location and 0.950 at 200 pct single location and 0.240 at 400 pct single location
Inclosure Protection Type For Which Designed
Fungus resistant and hermetically sealed
Frequency In Hertz
400.0 single location
Test Data Document
81349-mil-c-39019 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef
Terminal Type And Quantity
2 wire hook
MILC39019 Series Parts

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MILC39019-1 Cross Reference
  • M39019-1-49
  • AP1-1-4-1-502
  • 20-24-0050-01
  • M39019-1-45
  • 1943379-17
  • 20-24-0050-01