Issue:
Size of Field Drives that require fusing for short circuit protection

Product Line:
Field drive ATV61, ATV71

Environment:
All

Cause:
Short circuit protection.

Resolution:
For a field drive rated at 230V single phase input you will have fuses at 30 HP.
For a field drive rated at 230V three phase input you will have fuses starting at 60 HP and larger.
For a field drive rated at 460V three phase input you will have fuses starting at 125 HP and larger.

All other sizes use Circuit Breakers for short circuit protection.

Consult the Altivar 61/71 Field Drive Instruction Bulletin for details.  Document number 30072-454-01
https://www.se.com/us/en/download/document/30072-454-01/

NOTE:  The ATV61/71 products, including the Field Drive are obsolete.  Consider replacement with the Altivar Outdoor Drive: https://www.se.com/us/en/product-range/63387-altivar-outdoor-drive/#overview

Released for: Schneider Electric Philippines