Type SDR1024 is a 12 or 24V strike release and has a lever for manual release. The SDR type is the basic version of the S series. It is a release strike that opens when voltage is applied. It can be permanently charged with a voltage between 10 and 24V. The adjustable roller has a play of 4 mm. The strike is equipped with a bidirectional diode. Thanks to its symmetrical shape, it can be used on the left and on the right.