Do Altivar 61 and Altivar 71 drives have conformal-coated electronic boards?
Resolution:
Conformal coating is standard only on specific Altivar 61 and Altivar 71 models, primarily high-power units designed for harsher environments.
Models with standard conformal coating include:
| Part Number | Description | |
| ATV61HC40N4 | ATV61 400KW 600HP 480V 3PH EMC | |
| ATV61HC50N4 | ATV61 500KW 700HP 500V 3PH EMC | |
| ATV61HC63N4 | ATV61 630KW 900HP 480V 3PH EMC | |
| ATV71HC31N4 | ATV71 480V 315KW 500HP EMC | |
| ATV71HC40N4 | ATV71 480V 400KW 600HP EMC | |
| ATV71HC50N4D | ATV71 480V 500KW 700HP EMC w/o choke | |
| ATV71HC50N4 | ATV71 480V 500KW 700HP EMC | |
These products are treated for increased protection for dusty and corrosive environments. With this coating, exposed copper is tinned, circuit boards are conformal coated in critical areas and plastics are treated to better withstand the corrosive nature of certain oils.
The ATV61 and ATV71 drives are designed for maximum ambient pollution as follows:
ATV71:
H...M3, 71HD11M3X, HD15M3X, H075N4 to HD18N4 are Degree 2 conforming to IEC/EN 61800-5-1
HD18M3X to HD75M3X, HD22N4 to HC50N4 are Degree 3 conforming to IEC/EN 61800-5-1
ATV61:
H...M3, HD11M3X, HD15M3X, H075N4 to HD18N4 are Degree 2 conforming to IEC/EN 61800-5-1
HD18M3X to HD90M3X, HD22N4 to HC63N4 are Degree 3 conforming to IEC/EN 61800-5-1
If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:
Frequently Asked Questions - Schneider Electric (se.com)
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