• MAX GUARD® Class H insulation system • Constant torque operation from 0 to base speed on vector drive • Constant HP operation to twice base speed (143-256 frame);1.5 times base (all others) • Optimized for operation with IGBT inverter (NEMA Design A) • Normally closed thermostats (one per phase, class F) • BCP (Bearing Current Protection) • Encoder provisions included on opposite drive end