Low-cost version of the standard M(S)I-UI where the same active parts are used with a cheaper frame and shaft parts.

The standard execution of the series of single-pole disconnectors, a manual operated isolator by means of a lever.

MSI with built-on, interlocked earth switch.

MSI-CI with supplementary 0-position, thus a 3-position disconnector, available in 5 different configurations.

Invertor disconnector, with 2 fixed positions, which is widely used in bypass applications.

Disconnector-earthswitch combination in which the disconnector, in contrast to the MSI-CI in the 2nd position, is open and grounded.