TYPE of the DRIVE of Trailer KU-701, KU-703, KU-704 switches
| Name | Drive type | Fixing |
| KU-701 A | The lever with a roller | Self-return of the lever |
| KU-703 AND | Freight with a counterbalance | Fixing in extreme provisions |
| KU-704 AND | The lever is lamellar W-shaped | Fixing in each situation |
SPECIFICATIONS:
Trailer KU-700 switches have two independent electric chains and can work both on constant, and at alternating current. Permissible current load is given in the table below.
| Current of the long mode, And | Force of the included current, And | Force of the disconnected current, And | ||
| variable, voltage is up to 500 V | constant, tension 110, 220 440 V | variable, voltage is up to 500 V | constant, tension 110, 220, 440 V |
|
| 10 | 50 | 25 | 10 | 2,5; 1,5; 0,5 |
DEVICE AND WORK:
All switches are unified and differ only in the drive. The switch consists of the case and a cover executed cast of an aluminum alloy, a cam drum with cam washers and the fixing mechanism (except the KU-703 switch).
Fixing of trailer KU-703 switches is carried out due to the restriction of the movement of freight and a counterbalance which are available on the driving lever, the plane A. In KU-701 switches the ratchet under the influence of a spring fixes the lever in zero situation.
In trailer KU-704 switches fixing is carried out, except zero, in two extreme provisions. At turn of a cam drum cam washers include or switch off cam elements according to the schemes given on outline drawings.
PLACEMENT AND INSTALLATION:
Trailer KU-700 switches can be installed in any situation. At installation of the KU-703 switch check reliability of an emphasis of the lever and provide the platform for freight on a polyspast.
