DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC SR2E121FU - Smart Relay
The SCHNEIDER ELECTRIC SR2E121FU is a compact Modicon Zelio Logic smart relay designed for decentralized automation of small industrial machines and building management systems. This programmable logic controller provides essential logic, timing, and counting functions, making it suitable for applications such as HVAC control, lighting management, access control, and simple material handling. It integrates a real-time clock and offers flexible wiring via removable screw terminals for efficient installation and maintenance.
Technical Specifications:
- SERIES/FAMILY: Modicon Zelio Logic
- COMPONENT TYPE: Smart Relay / Programmable Logic Controller (PLC)
- ELECTRICAL SPECS:
- NOMINAL SUPPLY VOLTAGE: 24VDC
- DIGITAL INPUTS: 8 (24VDC)
- RELAY OUTPUTS: 4 (Normally Open, SPDT)
- OUTPUT CURRENT RATING: 8A per output (resistive load)
- INPUT CURRENT: Approximately 4mA per input
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, without display or buttons
- MOUNTING: DIN rail mountable
- TERMINALS: Removable screw terminals
- INTERFACE/CONTROL:
- PROGRAMMING SOFTWARE: Zelio Soft 2 (Ladder Diagram, Function Block Diagram)
- PROGRAMMING INTERFACE: USB port (requires SR2USB01 cable, not included)
- REAL-TIME CLOCK: Integrated
- COMMUNICATION: No integrated network protocol (Modbus available via optional extension module)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminal block protection)
- OPERATING TEMPERATURE: -20 to 55°C
- COOLING METHOD: Natural convection
- MOUNTING STYLE: 35mm DIN rail
- COMPATIBILITY/APPLICATION: Small automation systems, HVAC systems, lighting control, access control, pump control, simple machine sequencing.