Impulse relay with common connection (screw terminals) for the coils and contacts. Depending on the type, different switching sequences. Coils for AC, relay remains in the last switching position after the control voltage is turned off. Suitable for installation in flush-mounted boxes or for screw mounting. Type 27.2.x EVO: Can be controlled directly via up to 15 push buttons without a control/capacitor module. Control duration 100% duty cycle - no overheating of the relay possible during continuous operation of the button or with a blocked push button.