Model: MIL-PRF-39019/1

Circuit Breaker

Special Features:

Screw terminals include insulating block

Properties:

Body Style
Single pole type
Bushing Length
Between 0.332 inches and 0.380 inches
Body Length
Between 1.531 inches and 1.562 inches
Body Width
Between 0.594 inches and 0.625 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
0.906 inches
End Application
M3p reu-l
Mounting Surface To Terminal End Distance
1.810 inches
Pole Quantity
1
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
3.0 amperes ac single location and 3.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac single location and 50.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac single location and 500.0 dc 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
125.0 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
Inclosure Protection Type For Which Designed
Fungus resistant and hermetically sealed
Frequency In Hertz
400.0 single location
Test Data Document
81349-mil-prf-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 screw
Specification Data
81349-mil-prf-39019/1 government specification
NSN
5925-01-489-0340
Part Number
MIL-PRF-39019/1
Description
Circuit Breaker
CAGE
81349

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 MIL-PRF-39019/1 NSN 5925-01-489-0340

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:
FD
CRITL:
X

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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