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AC Crane Control
AC Crane Control
BCH Electric Limited, an ISO 9001:2000 company, is today one of the largest manufacturers of low voltage electrical and electronic controls in India. The company was set up in 1965 as a joint venture between Cutler-Hammer, USA, and Indian partners. Since 1977, it is a wholly owned Indian company with global business connections. The company offers an AC crane control. This controller provides reversing and plugging operation of slip ring induction motors in heavy-duty cranes on trolley services. Up to 5 motor speeds are achieved in conjunction with a master controller. Hoisting motion: plain rotor resistance, AC single phase dynamic braking, counter torque lowering, opotor control, and creep speed. Bridge and trolley motion: simplified reliable circuitry; inverse time delay magnetic overload protection; time limit acceleration; speed control by series resistors; no volt protection; special unique plugging circuit with a voltage relay; CRCA sheet steel construction of the panel; 7 tank pretreated panels for extremely long life; and panels for indoor and outdoor protection.
