SLS switch 4-pole 3P+N E-characteristic 63A for busbar QuickConnect. SH switch according to DIN VDE 0641-21 and dimensional standard DIN 43880 size 6. SLS available in various pole configurations, single-pole switching, with separate contact position indication. Plug connection for direct busbar mounting. The standard multifunction lock allows for the following lockouts: for the customer against accidental or intentional switching, for the installer with a padlock while working on the system, for the grid operator with sealing wire, padlock, or special key.