Tyco Circuit Breaker W58XC4C12A-25

Part# 11-03895
MFR Model# W58-XC4C12A-25


These bi-metallic single pole breakers weigh less than 2 oz. and are especially suitable for homebuilt aircraft. Used as original equipment in Beech, Cessna and Piper aircraft. Maximum operating voltages: 32 VDC and 250 VAC (to 400 Hz).
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • 0.5 amp to 30 amp ratings.
  • Cannot be manually tripped.
  • Button extends for visual trip indication.
  • Push button to reset the breaker.
  • Termination is a screw or .250" QC.


  • 25 AMP
  • AC: 250V
  • DC: 50V
  • 250 VAC
  • Panel Mount, 1 pole, push button actuator, white, screw termination
  • Height: 34.93 mm
  • Length: 34.93 mm
  • Width: 16.76 mm
  • Mfr Part No: 4-1393249-4
  • ECCN: EAR99
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Please note, Pilotshop's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Pilotshop assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.