Micromaster 440 with built-in class a filter 3ac 380-480 v +10/-10% 47-63 hz constant torque power 18. 5 kw overload 150% 60 s, 200% 3 s squared torque power 22 kw 520 x 275 x 245 (h x w x d) protection ip20 ambient temp. -10 to +50 deg. c without aop/bop