KLIXON 2TC2-2 1/2

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Part# 11-08384
MFR Model# 2TC2-2-1/2


Klixon single–phase TC devices are the smallest, lightest high performance aircraft circuit breakers available today. They represent the state-of-the-art protection of today’s aerospace power systems. Their light weight and small size make them especially well suited for aircraft, avionics and electronic systems. The Klixon trademark has set the standard for aerospace circuit breakers and the TC series offers the endurance and reliability required by exacting military specifications.

The 2TC series breaker ratings are coordinated so any rating will trip before another rating twice its capacity in the event of a fault. of up to 6,000 amps let–thru current. This results in improved overall equipment performance since only the smallest faulted circuit is interrupted, while larger circuits remain operational.

Ambient Temperature Compensation
Ambient compensated circuit breakers let designers specify smaller gauge wire where the circuit breaker and wiring are exposed to different ambient temperatures. They are especially suited for application where ambient temperature exceeds the 160°F (71°C) maximum of non–ambient compensated thermal circuit breakers. The TC series may be applied where operating temperatures are as high as 250°F (121°C) with no derating of the circuit breaker. This eliminates the need for cooling air and allows substantial weight, space, and cost savings.

The complete line of TC series circuit breakers is trip–free. The circuit breaker cannot be maintained closed during an overload even with the actuator button held closed.

High Short Circuit Capacity
For its miniature size, the 2TC series offers unusually high current interrupting capacity. Overloads can be safely interrupted without affecting calibration or operating performance in the standard 2TC series for: • Overloads up to 6,000 amps at 28 VDC • Overloads of 2,000–3,500 amps at 120 VAC, 400 Hz


  • Miniature size
  • Light weight
  • Trip–free design
  • Current ratings 2.5 amps
  • High vibration resistance
  • High interrupting capacity
  • Coordinated ratings
  • AS58091 qualified (Also: Military Approvals, FAA PMA)
  • Typical end use: Aircraft power distribution systems


  • Part No: 2TC2-2 1/2
  • Amp: 2.5
  • Vibration 10G minimum, 50–500 Hz (other vibration levels available)
  • Mechanical Shock 50G
  • Acceleration 10G
  • Weight 24 gram maximum (2TC14)
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Q: Can I use the Klixon 2TC2-2 1/2 Circuit Breakers on a 12v system?

The Klixon 2TC2-2 1/2 Circuit Breaker is designed to be used with a 120 VAC or 28 VDC system.

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