Abb offers a complete range of medium voltage switchgear for primary and secondary distribution. Unigear type zs2 [former unisafe 36] is a medium voltage, metal-clad switchgear suitable for indoor installations. It is a modular apparatus made of aligned standard units. Metal sheets segregate each compartment and the energized components are air insulated. The arc-proof units have been tested in compliance with iec standards. The power cables branch connectors are accessible from the front.