Our portfolio comprises power distribution boards, busbar trunking systems, distribution boards, protection, switching, measuring and monitoring devices, switches and socket outlets. We will be glad to provide you with extensive sup-port from initial information, planning, configuration and. MD-MAX is the MDmax series low-voltage switchgear developed and authorized for production by ABB. This switchgear includes ST, FC and other series. In most contexts, low voltage is defined as any voltage level of 50 volts (V) or less. In this guide, we'll break down the most common low-voltage switchgear types, explain how they work, and. Explore low voltage turnkey solutions for industrial automation; covering LV panels, controls, cabling, ELV systems and energy management.