Micromaster 420 unfiltered 3ac 380-480v +10/-10% 47-63hz constant torque power 0. 55 kw overload 150% for 60s variable torque power 0. 55 kw 173 x 73 x 149 (h x w x d) protection ip20 ambient temp -10 to +50 deg c w/o aop/bop