Switchgear Systems | PDU, Switchboard, Package Substation | Main Systems Ltd Low Voltage Switchgear, Creating Intelligent Switchgear Systems, British Manufacturer of Low Voltage Switchgear & Distribution Equipment, Motor Control Centres, MCC's, PDU, Switchgear, busbar, voltage & optimisation, critical power, low & voltage UPS, uninterruptible power supply, PLC Programming, electrician Brighton, Sussex switchgear, Switchgear Newhaven, ASTA certificates, supermarket power supplies, thermal imaging surveys, Low voltage switchgear, Packaged Substations, ASTA certified switchboards, control consoles, electrical panels, main systems co uk, mainsystems switchgear, main systems limited, mainsystems Main Systems are a manufacturer of critical power equipment, based in Sussex, UK. We provide installation of Switchgear, PDU and Package Substations