Motor protection in explosive or hazardous areas

These relays are applicable for EEx motors with intensities of up to 630A and above, which run in potentially explosive areas such as: Petrochemical industries, Plastics factories, Etc.

The relay is installed outside the explosive area

  • Certificates for use as category 3 –Directive ATEX 94/9/EC
  • For 3-phase motors up to 1000 Vac
  • Currents from 1,5 to 630 A and higher
  • With thermal memory
  • Visual indication of tripping cause
Motor protection relay EEx
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    The models G and BG are ATEX marked with certification for Category 3 use.

    PTB approval:

    G and BG relays have been approved by the Physikalisch-Technische Bundesanstalt-PTB for the protection of EEx e explosion proof motors (DIN EN 50019 / DIN VDE 0170 /DIN VDE 0171 part 6) according to the stipulations and requirements of PTB. PTB report no. PTB Ex 3.43-30004/00.

    Protection Functions

    • Overload
    • Phase imbalance or phase loss
    • Overtemperature