Schneider Electric Zelio Logic is an extremely flexible programmable relay that offers 2 ways of programming: using function blocks or ladder language. Simple to install and program, it enables remote supervision of your applications. Application: - Industry: control systems for small machines, decentralized control systems for medium and large machines - Construction / Service sector: lighting control, accessibility control, air conditioning and heating control, monitoring The kit includes: - CPU SR2B121FU (power supply 100-240VAC; 8 digital inputs; 4 relay outputs; real-time clock; display) - Zelio Soft 2 software - USB cable for programming.