✅ 56173 – Schneider Electric RH99M Earth-Leakage Relay (Manual Reset, 240 V) The Schneider Electric 56173 is the RH99M earth-leakage relay designed to provide sensitive ground fault protection in low-voltage electrical installations. It features manual reset capability, making it ideal for controlled environments where fault acknowledgment and corrective actions are supervised. The relay offers a detection range of 0.03 to 30 A and an adjustable trip delay from 0 to 4.5 seconds, allowing it to be precisely configured for selective protection and system stability. This model operates on 240 V AC and ensures safe disconnection in case of leakage currents, thereby preventing electrical shock hazards and equipment damage. 🔧 Technical Specifications: Specification Details Part Number 56173 Model RH99M Brand Schneider Electric Function Earth-leakage (ground fault) protection Reset Type Manual reset Sensitivity Range 0.03 A to 30 A Time Delay Adjustment 0 to 4.5 seconds Operating Voltage 240 V AC Mounting Type DIN rail or panel mounting Output Contacts 1 or 2 changeover relays (depending on config) Standards Compliance IEC 60947-2, IEC 60947-5-1 Application Ground fault protection for feeders, motors, panels 🌟 Key Features: ✅ Manual Reset ensures controlled restart after fault clearance. ✅ Wide Sensitivity Range (30 mA to 30 A) for precise protection. ✅ Customizable Trip Delay up to 4.5 seconds for selectivity. ✅ DIN-Rail Mountable for quick and simple integration. ✅ 240 V Operation fits standard LV distribution systems. 🧰 Applications: Motor feeders and control circuits Industrial panel protection Critical systems requiring operator reset Commercial installations requiring personnel safety Backup fault detection in neutral earthing systems