Miniature circuit breaker
SIGMA ELEKTRIK SAN. VE TIC.LTD.STI
General
Sigma MCBs are such devices that they protect their connected circuits against short circuit and overload.
Sigma MCBs produced as 3 kA, 4.5 kA, 6 kA, 10 kA and 16kA according to the IEC standards are appropriate for EC low voltage directive 72/23/CEE as well
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