tender for 11/0.433kv 3-phase distribution transformers (63 kva) with bimetallic terminal connectors energy level-2 (copper wound )and with lv cable box having detachable aluminium gland plate 3-phase distribution transformers (63 kva) with bimetallic terminal connectors energy level-2 (copper wound )and with lv cable box having detachable aluminium gland plate