INTERNAL DISCONNECTThe SMVector frequency inverter is available with a highly visible internal disconnect switch on the NEMA 4X (IP65) enclosed drives. The switch, which removes power to facilitate service and maintenance, also is described as conforming to European electrical conventions, and the switch handle is lockable and is made of red and yellow materials for high-visibility. The drive’s system protection also consists of voltage monitoring, current monitoring, follower loss management and over-temperature protection.
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