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7270 7271 Series

MS24509A, MS24509B, MS24510A, MS24510B

Home Products Circuit Breakers Aircraft Circuit Breakers 7270 7271 Series
General
Features
Specifications
General
  • Single–phase
  • 3–35 amps
  • 115VAC 400Hz, 28VDC
  • Non–temperature compensated
  • Toggle switch design
7270

Klixon 7270 and 7271 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 Klixon 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: 3 to 35 amps
  • High interrupting capacity
  • Available with neck mounting (7270-1 and 7271-8 devices) or standard cover plate (7270-7 and 7271-3 devices)
  • Typical use: Aircraft and ground support equipment
Specifications
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

DEVICE APPLICATION APPROVAL ACTUATOR RATING (Amp) REMARKS
2TC, 3TC Aircraft power distribution MS 3320, MS 14105 Button 1-35 Subminiature, ambient compensated 1 pole, auxiliary switch available.
5TC Aircraft, avionics, and electrical systems - Button 20-50 Ambient compensated
6TC, 9TC Aircraft power distribution MS 14154, MS 14153 Button 1-35 Subminiature, ambient compensated, 3 pole
2TC49 Aircraft power distribution M5809/1 Button 2.5-15 Dual Safety 2TC
3TC7 Aircraft, avionics, and electrical systems MS 25244 Button 5-35 Lightweight, high performance, non-ambient temperature, compensated
6752-12, 6752-100, 6752-305 Aircraft power distribution, ground support MS 24571, MS 25361 Button 2.5-100 1 Pole – 6752-12, 1 Pole – 6752-100, 3 Pole – 6752-305
7274 Aircraft power distribution, Avionics, ground support, missile systems MS 26574, MS 22073 Button 0.5-20 Quick acting, subminiature, auxiliary switch available
7277 Protection of wire, motors, solenoids, transformers in electronics - Button 0.5-20 Wide calibration version of 7274
7270, 7271 Aircraft power distribution MS 24509, MS 24510 Toggle, Button 3-35 Toggle or push button
20TC2 Combination circuit switching & protection, light aircraft, electronics, vehicles - Rocker 3-35 Rocker switch type
3SB Commercial and military simulators Button - Push button