Micromaster 440 without filter 3ac 500-600 v +10/-10% 47-63 hz constant torque power 55 kw overload 150% 60 s, 200% 3 s squared torque power 75 kw 850 x 350 x 320 (h x w x d) protection ip20 ambient temp. -10 to +50 deg. c without aop/bop