Secure Ordering: +1 (757) 528-8028
NationalStockNumber.info
NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Circuit Breaker

Model / MPN: 7409501 | NSN: 5925-01-508-7951
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
5925-01-508-7951
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Multipole-single actuator type
Bushing Length
Between 0.332 inches and 0.380 inches
Body Length
Between 1.531 inches and 1.562 inches
Body Width
Between 1.250 inches and 1.281 inches
Case Material
Metal
Center To Center Distance Between Terminals Parallel To Length
Between 0.875 inches and 0.906 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.594 inches and 0.656 inches
Switch Contact Arrangement
Single pole, double throw
Fragility Factor
Moderately rugged
End Application
Drawer, power supply
Mounting Surface To Terminal End Distance
Between 1.797 inches and 1.828 inches
Pole Quantity
2
Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
Storage Type
General purpose warehouse
Features Provided
High inrush protection
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
20.0 amperes ac all locations and 20.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
240.0 ac all locations and 50.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac all locations and 500.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 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
Auxiliary Switch Function And Quantity
1 control
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.138 inches
Switch Location And Position Designation
External at pole one
Trip Delay Time In Seconds Per Rated Continuous Current
0.500 at 200 pct all locations and 9.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
General purpose
Switch Terminal Type
Screw
Part Name Assigned By Controlling Agency
Aux cargo control & indication panel a&d
Frequency In Hertz
400.0 all locations
Unpackaged Unit Weight
100.0 grams
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
Unc
Terminal Type And Quantity
2 screw
Specification Data
81349--39019/4 government specification

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Qty:
Email Address:
Phone Number:
Your name:
Company:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
7409501 Cross Reference
  • M39019/04-339S
  • MIL-PRF-39019/4
  • 437-7409501-AY-4-12
  • B673-3002-AY-4-12