The NEMA-4X enclosure for NEMA-1 SMVector Drives protects against dust, water, and corrosion. The enclosure handles drives up to 3 hp. The drives feature four operating modes: V/Hz, enhanced V/Hz, vector speed, and torque; high starting torque, autotuning, advanced lowspeed control, and dynamic speed regulation. Input voltage range is 120-Vac one phase to 600-Vac, three phase. Three communication options include RS-485/Modbus, CANopen, and DeviceNet.

Lenze, AC Technology Corp., 630 Douglas St., Uxbridge, MA 01569, (508) 278-9100,