inStallatiOn and pOwer Supply cOnnectiOn8Installation and power supply connectionThe electrical installation of the eMH1 Wallbox variants described in this manual mustalways be carried out by qualified specialist personnel: Please contact an electricalcontractor or arrange installation at your premises with your local distributor.However, as a user you may carry out the mechanical installation of the Wallbox your-self, as long as you follow the safety notices and general instructions.Prerequisites for the mounting site and installationYour eMH1 Wallbox is an electrical device and is therefore subject to particular prereq-uisites for indoor and outdoor installation: Although the housing of the eMH1 complieswith the standards for the IP54 degree of protection, you must take into account cer-tain environmental conditions, especially outdoors.In selecting the mounting site you must consider the following points:• For the safe operation of your Wallbox, minimum distances to other technical instal-lations must be observed: You can obtain further information from your electricalcontractor or your distributor.• The Wallbox must be installed where it is freely accessible to all authorized users.• Ideally, the mounting site should already provide a connection to the power supply.If not, a separate supply must be installed that complies with the generally pre-scribed standards for cabling and building infrastructure: Please contact a qualifiedelectrical contractor for details.WARNING!The power supply for the eMH1 must always be protected by adomestic miniature circuit breaker (MCB)Some model variants require the supply cable to be protected by an addi-tional external FI residual current circuit breaker (RCCB). Further informa-tion available under Technical Data, see page 22.• Depending on model variant, this Wallbox is designed for connection to and opera-tion on a rated voltage of 230/ 400 V 50 Hz.• The power supply cables may be installed above or below the wall surface. How-ever, the cable should preferably enter the device through the inlet on the undersideof the rear part of the housing.• Sufficient air circulation must be ensured at the mounting site so that the Wallbox iscooled during operation: Always observe the allowed operating temperatures (see“Technical specifications” on page 22).• Do not install or operate the Wallbox in direct sunlight, as it could overheat and/orthe housing could be damaged over time.