7277-2 Series Circuit Breaker | 3 Amp Rating

R604.16 excl. Vat

19 in stock (can be backordered)

SKU: 7277-2-3 Category: Tags: ,


Klixon 7277-2 series circuit breakers are meant for use in applications that do not require military approvals. The trip-free 7277 was originally developed as an alternative to slow blow fuses and is used extensively as primary electrical circuit protection on general aviation aircraft. The military grade version of this circuit breaker is physically and electrically identical to the Klixon 7277, which has wider calibration limits.

Includes hardware.

This 7277 series circuit breaker  is rated for 3 amps.

  • Miniature size
  • Light weight
  • Trip free design
  • Current ratings (0.5 to 20 amps)
  • High vibration resistance
  • Electrical circuit protection on general aviation aircraft

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Additional information

Weight .061 lbs




Current Rating:
3 Amps

10G minimum, 50–500 Hz

Mechanical shock:


Interrupt Current:
0.50–5 amps: unlimited at 28 VDC
7.50–15 amps: 2,000 amps at 28 VDC
0.50–1.50 amps: unlimited at 120 VAC, 400 Hz
2–5 amps: 800 amps at 120 VAC
400 Hz 7.50–20 amps: 500 amps at 120 VAC, 400 Hz

2,500 cycles: 120 VAC, 400 Hz inductive
2,500 cycles: 30 VDC inductive
5,000 cycles: 120 VAC, 400 Hz resistive
5,000 cycles: 30 VDC resistive 10,000 cycles: Mechanical, no load

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