Each supply and insulation control unit is composed in standard execution by:

• a sheet metal panel for wall mounting
• a single phase insulation transformer series TIS 220/220V 50 Hz with central socket on the secondary, shield between primary and secondary, double insulation in conformity with CEI 64-8/7-V2; 62-5; 96-2; IEC61558 and EN 60742 Standards
• a ISOLMED or ISOCONTROL/M device for permanent insulation control, with safety characteristics following CEI 64-8/7 -V2 and CEI EN61557-8 Standards.

The switchboard is completed with:

• two modular automatic switches for the protection of the primary and the secondary of the transformer;
• a bar of equipotential node;
• a general terminal board.

The switchboards can be arranged on request with additional modular automatic switches for the protection of the starting lives shunted from transformer secondary.
Optional base for floor mounting on request (h=100 mm).