SMDB’s are basically switchboards which are similar in construction, but are slightly larger than a final distribution board. These are installed on midway through the power distribution system, at the point where large distribution cable ends, and several smaller sub-circuits starts. Specifications: • Fully type tested assemblies as per IEC 61439-1 • Rated up to 1250A • Rated operating voltage up to 690V • Form 2 & Form 4 construction • Type tested for 50kA/1 sec • Ample cabling space for easy connections • Top and bottom cable entry. • Front or rear access panels to suit application • Index of protection : IP 31 & IP 54 • wall mounting or free standing to suit application