The SR2E121FU is a compact smart relay from Schneider Electric's Harmony (Zelio Logic) SR2 series. It is a self-contained micro programmable logic controller designed for basic automation tasks, offering a specific combination of digital inputs and relay outputs in a non-expandable housing.
Specifications:
Parameter Specification
Product Range Harmony / Zelio Logic (Smart Relays - SR2 Series)
Device Type Compact Smart Relay (Micro PLC)
Power Supply 100-240V AC, 50/60 Hz (Universal AC supply).
Built-in Digital Inputs 8 inputs (The "12" in the model number typically indicates this quantity). Typically 24V DC level compatible.
Built-in Relay Outputs 2 outputs (The "1" in the model number often indicates this quantity). Relay contacts (SPDT).
Output Contact Rating Typically 8 A @ 250V AC (resistive load).
User Interface Integrated basic LCD display and navigation buttons.
Programming Method Via front-panel interface or PC software (EcoStruxure Machine Expert - Basic).
Expansion Capability None (Non-expandable compact model).
Communication May include a basic serial port (e.g., RS-485).
Mounting DIN Rail (35mm)
Operating Temperature -20°C to +55°C
Standards & Approvals UL 508, CSA, IEC/EN 61131-2, CE, RoHS.