1. MECC ALTE INSULATION SYSTEM 1.1 Protection level: Mecc Alte STANDARD The Mecc alte Standard protection level is referred to a generator which has the sole impregnation resin applied to all the active parts. It should be noted that this level is standard on the ECP3 alternator series: voltages from turn to turn in this series are never dangerous for the insulation life, resulting in no need to apply any additional protection varnish. 1.2 Protection level: Mecc Alte STANDARD + With the Mecc Alte Standard+ system in addiction to the usual impregnation resin, the stator exciter is protected with a further layer of grey varnish protection EG43. Stator exciter is protected because it is the first active part that is cooled from the air cooling flux. The ECP 28, and ECP 32 series are built with this protection level as a standard. 1.3 Protection level: Mecc Alte GREY With the Mecc Alte Grey level, not only the exciter stator is coated with the EG43 but also the main power stator. This protection level, which is available as an option on some families and as a standard on some others, is the standard for the marine and nearly all the most demanding application. Main and exciter stator grey EG43 as all the rotating machine parts are subjected to much lower voltages and are cleaned centrifugally from the moisture and contaminating particles that could corrode the copper enamel. This level is the Mecc Alte standard for ECP 34, ECO 38, ECO 40, ECO 43 and ECO 46 families. 1.4 Protection level: Mecc Alte GREY+ The Mecc Alte Grey+ level is available as an option on the whole industrial range. With this protection level, the main stator is coated with the grey EG43 varnish and the exciter stator is upgraded to have the black severe environment protection. This acts as a physical barrier to moisture particles and chemical substances on this part. 1.5 Protection level: Mecc Alte TOTAL+ …. Our Mecc Alte alternator insulation systems are suitable for marine environments such as ship alternator or boat alternator. Mecc Alte Alternator Insulation System – Source Mecc Alte

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