VEM motors gmbh德國VEM 電機 Series: K2.. 56 to 355 Speeds: 3,000, 1,500, 1,000, 750, 600, 500 rpm , lower speeds on request, pole-changeable versions available with many speed combinations, e.g. with Dahlander winding 4-2, 8-4, 12-6 pole or 6-4, 8-2, 8-6 and 12-4 pole with two separate windings, three speeds such as 8-4-2 or 8-6-4 or four speeds 12-8-6-4 pole Features: Energy-efficient and evironment-friendly, suitable for converter operation, designed to DIN EN 60034 (IEC 72), mounting dimensions and assignment of output ratings to DIN 42673, 42677 or progressive, robust, low-vibration grey-cast iron design, degree of protection IP 55, higher degrees up to IP 65 on request, class F insulation with thermal reserve, class H available as an option, terminal box optionally top-mounted, RHS or LHS up to frame size 315, various modifications possible