The power relays act as a contactor in auxiliary circuits, the function of switching small motors (up to 4kW at 400V). Simple and convenient connection, application for categories AC-1, AC-2, AC-3, flush mounting without derating on a standard 35 mm rail. Control of both constant (24V) and alternating (24,110,220V) current. There are built-in normally open and normally closed contacts (depending on the version).