This Schneider Electric Zelio Logic SR3 discovery pack compact smart relay / programmable controller uses a supply voltage of 100 to 240 volts alternating current, has 10 inputs / outputs. It also comes with screw-clamp terminals and has an integrated LCD display. This compact programmable relay discovery pack is ideal for discovering the Zelio Logic range of programmable smart relays. It has compact form-factor, allowing installation on DIN rail. It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons. Discovery package includes one copy of Zelio Soft and one USB cable to connect the relay to your PC. Simple ladder programming, adapted for non-specialists. Discovery package, coming with Zelio Soft programming software, the simplest way to learn and use this relay. Built-in EEPROM flash memory for data backup up to 10 years, easy-to-recover after a power shortage or incident. This product is certified by C-Tick, GL, UL, CSA and GOST. It meets EN/IEC 60068-2-6 Fc and EN/IEC 61000-4-11 standards. Easy to use, Zelio Logic provides a real alternative solutions based on cabled logic or specific cards.