Aircraft Spruce Canada
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Klixon 7270-5-20 Circuit Breakers
MFR Model# 7270-5-20
Overview
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7270 series circuit breakers were designed to utilize less space behind the panel while protecting wire and cable in aircraft and ground support equipment on 120 VAC, 400 Hz or 30 VDC systems. Inherently resistant to shock and vibration, the disc element is capable of calibration within close tolerances throughout the service life of the breaker. |
Features
- Trip–free operation
- Snap–acting thermal element
- Small size
- Light weight
- MIL-C-5809 qualified
- Current rating: 20 amps
- High interrupting capacity
- Typical use: Aircraft and ground support equipment
Specifications
- Amps: 20
- Vibration: 10G minimum, 50–500 Hz (other vibration levels available)
- Mechanical Shock: 30G
- Acceleration: 10G
- Weight: 39 grams maximum (7270-1 and 7271-8)
- Interrupt Current: 4,000 amps at 30 VDC;3,500 amps at 120 VAC, 400 Hz
- Endurance: 5,000 cycles: 120 VAC. 400 Hz, inductive;5,000 cycles: 120 VAC 400 Hz, resistive;5,000 cycles: 30 VDC, inductive;2,500 cycles: 30 VDC, resistive;5,000 cycles: Mechanical, no load
Q&A
Please note, Aircraft Spruce Canada'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. Aircraft Spruce Canada 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.
The breakers themselves do not have any FAA Approval. Some aircraft were built using Klixon type breakers, so they may be allowed as replacement under the airframe approval. You will need to confirm in your aircraft parts manual or with your A&P to determine whether these can be installed legally in your certified aircraft.
