✅ ABB ELR72V24 – Residual Current Relay 24V AC/DC (Part No.: 2CSG452120R1202) The ABB ELR72V24 relay offers residual current monitoring in 24V AC/DC systems. With selectable thresholds and time delay, it enhances fault prevention in sensitive circuits. Technical Specifications: Part Number: 2CSG452120R1202 Model: ELR72V24 Voltage: 24V AC/DC Type: Residual current relay (Type A/AC) Trip Settings: Fully programmable Applications: Low-voltage installations, MCCs, UPS systems Mounting: DIN rail