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EFD3 series three pole, magnetothermic breakers are used for command (start - stop) and protection of three-phase motors. Circuit breaker with adjustable magnetothermic protection and external control handle.


Body and cover in low copper content aluminium alloy. Stainless steel screws. Fixing lugs. Internal/external earth screw. RAL 7035 polyester coating.

Also available in Spanish
Also available in Spanish

Type Description Marking Company Certificate
Atex Control and signalling units
  • II 2GD Ex d IIB T5/T6
  • Ex tD A21
CESI 03 ATEX 172
TR CU Control station
  • 1Ex d IIB T… Gb
  • Ex tb IIIC T…°C Db