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Circuit Breaker

Model / MPN: 409452 | NSN: 5925-01-209-1823
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
5925-01-209-1823
Sold in multiples of
1 EA
DEMIL
NO
Thread Pitch Diameters
+0.4752/+0.4787 inches
Body Style
Multipole-single actuator type
Bushing Length
0.625 inches
Body Length
2.000 inches
Body Width
2.250 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
1.530 inches
Center To Center Distance Between Terminals Parallel To Width
0.750 inches
Nonturn Device Location
At 12 oclock and at 3 oclock and at 9 oclock
Nonturn Device Radius
0.656 inches
Nonturn Device Length
0.130 inches
Nonturn Device Diameter
Between 0.151 inches and 0.161 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
2.232 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
2.0 amperes dc third location
Maximum Continuous Load Current Rating Per Pole
4.0 amperes dc second location
Maximum Continuous Load Current Rating Per Pole
7.0 amperes dc first location
Operating Voltage Type And Rating Per Pole In Volts
65.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
2000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic-hydraulic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 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
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.500 inches
Trip Delay Time In Seconds Per Rated Continuous Current
20.000 at 200 pct all locations and 70.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
Hermetically sealed and shock resistant and vibration resistant
Unpackaged Unit Weight
9.000 ounces
Thread Series Designator
Un
Terminal Type And Quantity
6 tab w/screw
40945 Series Parts

Pricing and Availability

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409452 Cross Reference
  • IAGN-666-9094-4
  • 409452
  • APGN-666-9094-4