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2TC49 Series

MS5809/1

Home Products Circuit Breakers Aircraft Circuit Breakers 2TC49 Series
General
Features
Specifications
General
  • Dual safety
  • Single–phase
  • 2.5–10 amps
  • 115VAC 400Hz, 28VDC
  • Temperature compensated
Klixon 2TC49 series

The Klixon 2TC49 dual safety circuit breaker represents a refinement in electrical control and circuit protection. The 2TC dual safety circuit breaker incorporates a fusible element in a standard 2TC (MS 3320) package size to provide redundant protection in hard fault conditions.

Features
  • Extension of the Klixon 2TC series
  • Redundant protection in hard fault conditions (more info below)
  • Separable link feature provides dual safety feature
  • Case color distinguishes 2TC49 from standard 2TC series
  • Current ratings (2½ to 10 amps)
  • Uses less space and weighs less than other circuit breaker packages
  • AS58091 qualified
Specifications
Vibration
10G minimum, 50–500 Hz

Mechanical Shock
50G

Acceleration
10G

Weight
25 gram maximum

Interrupt Current
2½–10 amps: 6,000 amps at 28 VDC
2½ amps: 2,800 amps at 120 VAC, 400 Hz
3–10 amps: 2,500 amps at 120 VAC, 400 Hz

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

Post–Short Circuit Dielectric
1125 VAC Min (1MA)

Post–Link Separation Dielectric
900 VAC (1MA)

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