Micromaster 440 with built-in class a filter 3ac 380-480 v +10/-10% 47-63 hz constant torque power 45 kw overload 150% 60 s, 200% 3 s squared torque power 55 kw 1150 x 350 x 320 (h x w x d) protection ip20 ambient temp. -10 to +50 deg. c without aop/bop