Anti Two Block Limit Switch

In this scenario the lower load block or hook assembly comes in contact with the upper load block or boom point sheave assembly seriously interfering with safe operation.

Anti two block limit switch. The anti two block switch a2b isens hes consists of a switching unit and an optional divisible operating weight. Anti two block switches twgs offers both wired and wireless anti two block atb switches. Without anti two block protection operators can pull the hook and load through the crane body damaging the crane or causing safety risks. The systems developed in the 30 s and 40 s include more advanced indicator switches switch control mechanisms limit switches cable safeguards means of measuring loads and other devices to prevent anti two block related crane accidents.

Pat hirschmann anti two block warning systems are used on cranes to halt or caution the operator of unsafe upward movement of the hook. Two blocking is a dangerous condition where the hook block is raised until it contacts the boom tip. Get contact details and address id. Features the a2b limit switch monitors the load block to its relationship with the head of boom.

Anti to block limit switch. Without a proper crane a2b system a two block can cause expensive damage to the crane boom personnel and surrounding property. Users receive an audible hooter and visual warning on the display when anti two block event happens electronic circuitry is potted for full humidity protection counter weight with the help of wire rope. Anti two block atb or a2b warning systems are used to warn or prevent the crane operator from two blocking the crane.

When installed correctly the a2b switch serves as positive break limit switch for use on winches lifting equipment and cranes. Crane safe technologies offering anti to block limit switch dust proof limit switch end switch ल म ट स व च new items in mumbai maharashtra. Pat hirschmann anti two block switch information.