✅ Schneider Electric RUMC31JD – Universal Plug-in Relay, 3 C/O Contacts, 10 A, 12V DC Coil Part No.: RUMC31JD The Schneider Electric RUMC31JD is a compact and high-performance universal plug-in relay from the Harmony RUM series, designed for low-voltage DC control applications. It features 3 changeover (3 C/O) contacts rated at 10 A, and operates with a 12V DC control coil, making it ideal for signal switching, automation panels, and PLC interface systems. Its plug-in design with cylindrical pins supports fast, tool-free installation into socket bases. The relay includes a lockable manual test button for commissioning and manual diagnostics, while its transparent IP40 housing allows easy visual inspection of the contact state. With robust design and high electrical and mechanical endurance, the RUMC31JD ensures 100,000 electrical cycles and 5 million mechanical operations. 🔧 Technical Specifications Attribute Details Product Type Universal Plug-in Relay Range Harmony Electromechanical Relays Series Name RUM Series Part Number RUMC31JD Contact Configuration 3 C/O (Changeover Contacts) Rated Current [Ithe] 10 A Control Circuit Voltage [Uc] 12V DC Coil Resistance Approx. 160 Ohm (typical) Operating Time / Reset Time 20 ms / 20 ms Minimum Switching Capacity 170 mW at 10 mA, 17 V Maximum Switching Capacity 2500 VA / 280 W Electrical Durability 100,000 cycles (resistive load) Mechanical Durability 5,000,000 cycles Mounting Type Plug-in (Cylindrical Pins) Test Function Lockable Manual Test Button Insulation Voltage [Ui] 250 V IEC / 300 V UL/CSA Dielectric Strength 2500 V AC (coil/contact), 1500 V AC (between contacts) Protection Degree IP40 Ambient Operating Temperature -40°C to +55°C Pollution Degree 3 Standards IEC 61810-1, UL 508, CSA C22.2 No 14 Certifications RoHS, REACh, UL, CSA, EAC 📦 Packaging Details Unit Weight: ~0.086 kg Package Type: Single (PCE) Typical Package Dimensions (cm): 7.0 × 3.5 × 3.5 🌍 Environmental Compliance: ✔ RoHS Compliant ✔ REACh Compliant ✔ Certified for global industrial standards 🔩 Applications: Perfect for low-voltage DC control circuits, PLC input/output signal handling, control panels, and automation systems operating on 12V DC.