STUY / STPY change-over switches are devices which are installed in stationary substations. They are used for switching-over the no-load circuits. The drive can be both manual and motor one. From the viewpoint of safety and prevention of unintended switching they can be equipped with locks which lock the position and manual operation.
Nominal voltage |
|
Nominal current |
|
Number of poles |
|
Version |
|
Control voltage |
|
Ambient temperature |
|
Number of auxiliary contacts |
|
Overvoltage class |
|
Pollution degree |
|
Degree of protection |
|
Mechanical lifetime |
|
According to standards |
|