Air Circuit Breakers
28 March 2018
Residual Current Circuit Breakers
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Miniature Circuit Breakers

Miniature Circuit Breakers (MCB) are such devices that protect their connected circuits against short circuit and overload. In adition to this they fullfil closing and tripping functions as well. Sigma MCBs are produced as 3kA, 4.5kA, 6kA, 10kA and 16kA according to IEC/EN 60898-1 and comply with Europian Union Low Voltage directives 72/23/CE.

Main Features

  • 1,2,3,4 poles
  • 3kA,4.5kA,6kA,10kA,16kA Breaking Capacity
  • Rating from 0,5A to 125A
  • B, C,D curve tripping charasteristics
  • Used special materials in Frame and covers which endures 960 ˚C
  • On/Off indicators with Red/Green Flag
  • Comply with EN 60898-1
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