... : 0.55-315kW 3) Central heigh YB2 series explosion-proof asynchronous motor (motors) Superseding the old generation of series ... compact construction, lightweight, attractive appearance, safe and reliable operation, long operation life, excellent performance and easy maintenance. For this ... ' And standards IEC79-1, BS4683 AND EN50018. The explosion protection marks aare ExdI, ExdIIAT4, ExdIIBT4, they are ...