The Engineers' Digest

The Engineers' Digest

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The two externally contracting brake shoes are held in contact with the drum by spring pressure, giving a braking torque ... The principle of this mechanism is shown in the accompanying diagram, from which it will be seen that the magnet ... without any need to disturb wiring, while the compact dimensions of the unit permit adjacent contactors to be mounted ... closed operation), mechanical interlocks, visual indication of magnet position, and mechanical latching with electrical tripping.

Title:The Engineers' Digest
Publisher: - 1967


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