Smart Relay, Zelio Logic SR2, 12 IO, 24V DC, cLock, no Display.
| Specifications | SR2E121BD | 
| Range of product | Zelio Logic | 
| Product or component type | Compact smart relay | 
| Local display | Without | 
| Number or control scheme lines | 0…240 with ladder programming 0…500 with FBD programming
 | 
| [Us] rated supply voltage | 24 V DC | 
| Supply voltage limits | 19.2…30 V | 
| Discrete input number | 8 conforming to IEC 61131-2 Type 1 | 
| Discrete input voltage | 24 V DC | 
| Discrete input current | 4 mA | 
| Analogue input number | 4 | 
| Number of outputs | 4 relay |