Accessories for 3KC0 SZ 4 Connecting jumper for load-side connection 1-pole for 3KC0 SZ4 contains 1 unit Comprehensive accessories for increased flexibility. From bridging bars through auxiliary switches to various drives, fourth poles or contact covers: With a wide range of accessories, the switch disconnectors and transfer switching equipment can be used for a wide variety of requirements and retrofitted at any time. &DPMD_ACC602_001_000_3KZ_AS&