2008

Variable Frequency Drive

Lenze-AC Tech (Uxbridge, MA) has introduced the enhanced SMVector NEMA1 variable frequency drive, in power ratings to 30 hp. The drive’s increased capabilities include an additional programmable digital input, terminals for RS-485 communications, and an enhanced keypad.

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The drive incorporates four modes of operation – V/Hz, Enhanced V/Hz, Vector Speed, and Torque – plus high starting torque, auto-tuning, advanced low-speed control and dynamic speed regulation. It accepts input voltages from single-phase 120 to three-phase 600VAC. An electronic programming module allows a customer to program multiple drives in seconds.

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