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ELECTRICAL PROTECTION The Klixon® 6752-12 series thermal–magnetic circuit breakers are designed and

Date Of Publication:2020-03-30 Click-Through Rate:893

The Klixon® 6752-12 series thermal–magnetic circuit breakers are designed and manufactured to meet the more stringent military standards of today’s aircraft electrical systems. The interrupting capacity, vibration resistance and longer cycling life of the 6752-12 series exceed previous military standards. In addition, the 6752-12 series provide ambient compensation, fault coordination of all ratings, and an option for auxiliary circuits.


  • Trip–free design
  • Single–phase
  • Ambient compensated
  • MIL-DTL-27715 qualified
  • Current rating: 2.5 to 65 amps
  • Long, trouble–free operation: 20,000 operating cycles
  • High vibration resistance
  • High interrupting capacity
  • Option available: Auxiliary circuits
  • Circuit protection unaffected by temperature fluctuations (ambient compensated from -53.9°C to 93.3°C)
  • only faulted line circuits opened (coordination ratings insure that branch circuit breakers trip first under fault conditions)
  • Typical use: Aircraft electrical systems


Vibrations10G minimum, 5–2,000 Hz (other vibration levels available)
Mechanical Shock25G
Weight0.2 pound maximum
Interrupt Current2½–65 amps: 6,000 amps at 30 VDC
2½–50 amps: 6,000 amps at 120 VAC, 400 Hz
65 amps, 3000 amps at 120VAC, 400 Hz
Endurance5,000 cycles: 120 VAC, 400 Hz inductive
5,000 cycles: 120 VAC, 400 Hz resistive
10,000 cycles: Mechanical, no load
20,000 cycles: Total

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