Load break switch h3+ P630 4-pole 400A FTC. The load break switch in accordance with DIN EN 60947-3 separates the feed-in side from the output side in electrical systems. The two different operating states can be recognized by the position of the toggle (ON = top, OFF = bottom). A device for locking the switching state in the ON or OFF position is integrated and can be used with a standard padlock without additional accessories. A hinged cover with a captive quick-release screw enables access to the installation space for optional auxiliary contacts and other releases. Integrated accessories can be recognized and identified via a viewing window without opening the hinged cover.