SGM-C KKK (3 cable entry unit)

SGM-E V (circuit breaker cabinet)

SGM-C KKT (2 cable entry unit, a transformer protection unit)

SGM-E L (mother of the cabinet)

SGM-C KTT (1 cable entry unit, two transformer protection unit)

SGM-E V1 (without ground knife breaker cabinet)

SGM-C KKKK (4 cable entry unit)

Incoming unit (K units / K1 cells)

SGM-C KKTT (2 cable entry unit, two transformer protection unit)

SGM-E KKTTT (2 cable entry unit, three transformer protection unit)