LK911,LK911A Master ControllerDetailed product description：

Usage of LK911 and LK911A master controllers

The LK911 and LK911A series marine master controllers are suitable for rated working voltage AC 380V, long-term working current of 20A for the LK911 series, and 10A for the LK911A series. They are used for manual operation of remote control motors for starting, running, speed regulation, and reverse rotation of ship deck machinery electrical control equipment or magnetic stations.
structure

The shell of this series of marine master controllers is a waterproof structure made of cast aluminum alloy, equipped with a combination switch for the main power switch and an emergency control button. The LK911A can be equipped with a wide angle ammeter.
The cable is introduced into the controller through a conduit welded to the ship deck. According to the requirements for use, the operating handle can be installed on the right or left side.
The contact system of the controller consists of a positioning device, contact elements, and cam blocks. The positioning device includes rollers and ratchet wheels, and the number of contact elements can be increased or decreased according to the number of circuits. The opening and closing of the contacts is performed by the cam blocks.
The LK911A series master controller is an improved product that can be equipped with an automatic reset device, and the operating handle can automatically reset to "zero" at any working position.

Meaning of Controller Model