Eltako Timers & Controllers TDR 622261 - Eltako 23001302, The Eltako 23001302 AVZ12DX-UC is a time delay relay capable of operating in a time range from 0.1 seconds to 40 hours. It features surge protection and can be easily mounted on a DIN rail. Commonly used in staircase lighting and other time-controlled applications, this monofunctional relay offers a single change-over contact. Eltako 23001302 AVZ12DX-UC TDR Monofunctional Timer 230V 0.1s-40h