ATEX 16A-32A and 63A Base Unit/Consumer Unit for Socket Outlets Mounting bases for ATEX directive rated industrial power socket outlets, complete with built in consumer unit suitable for wall or machine mounting. The 16A and 32A versions have 6 DIN modules, the 63A versions has 8 DIN modules, used as part of a complete system in conjunction with the ATEX rated power outlet sockets found within this range.