7274 Series Aircraft Circuit Breaker
Circuit Breakers
KLIXON® 7274 series are small, lightweight, low amperage devices that are specifically designed to protect aircraft/aerospace cable and components in airborne vehicles and equipment. The commercial grade version of this circuit breaker is the Klixon® 7277 series. The 7277 and 7274-2 series circuit breakers are physically and electrically identical, with the exception that the 7277 has wider calibration limits.
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Contact UsFeatures
- Uses minimum space
- Light weight
- Trip–free
- MIL-C-5809 qualified
- Current rating: ½ to 20 amp
- Low amp
- High vibration resistance
- Options: Long push button, dust boot (part #14500-1 fits 15/32 bushing, part #14500-5 fits 7/16 bushing), auxiliary switch, waterproof panel seal
- Typical use: Military airborne vehicle and equipment protection
Specifications
| Vibrations | 10G minimum, 50–500 Hz (other vibration levels available) |
| Mechanical Shock | 35G |
| Acceleration | 10G |
| Weight | 7274-2 (MS 26574): 28 grams maximum 7274-4 (MS 26574 A): 28 grams maximum 7274-11 (MS 22073): 33 grams maximum 7274-69 (MS 22073V): 33 grams 7274-70 (MS 26474L): 33 grams |
| 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 |
| Endurance | 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 |
