The S series builds upon the success of our original G series by featuring a stainless steel design for added strength, a symmetrical body for easier installation and reduced dimensions. It is a fail secure strike that opens when voltage is applied. It can be continuously rated with a voltage between 10 and 24V. The adjustable jaw has a 4 mm play. The strike is equipped with a bi-directional diode. Key features Locks without power applied Symmetrical - suitable for left and right-handed doors Permanently unlockable Built-in bidirectional diode 10-24Vac/dc operational voltage (DC only for CC usage)