Additional equipment, horizontal, vertical connections, This connection set contains T-shaped connectors for the main connections and can be used as both a horizontal and a vertical connection., One set contains the connections for the top and bottom. 3-pole = 6 pieces, 4-pole = 8 pieces, Rear universal connection for withdrawable technology., Rated current In 630 - 1600 A, Poles 3, can be used for IZMX163., INX163.