Presented by tsc instruments [p] limited the qtr series electrical actuator come with the following technical specifications: input signal - from forward/reverse contactors; stroke angle - 30-270°; torque rating - 01-200 mkg; operating time - 30 seconds for 90°; enclosure - weatherproof; degree of protection -ip-55; ambient temperature - 45°c; and mounting - foot type. Motor data: type -induction, tefc; supply - standard 415 v, 3-phase ac, 50 hz and optional - 230/110 v single phase ac, 50 hz; insulation class - standard b, optional f. Its specifications are as follows: casing - cast aluminium powder coated; shaft covers - cast iron powder coated; worm shafts - en-8 plated; worn gears - phosphor bronze; output shaft - stainless steel 410; bearings - taper roller; and hand wheel - stainless steel 410.