Polycab 4 Sq.mm Solar DC Cable 100 Meter

⚡ India's Most Trusted Solar DC Cable — Built for Rooftop Solar Systems The Polycab 4 Sq.mm Solar DC Cable (100 Meters) is the go-to choice for solar installers and homeowners across India. Engineered specifically for solar PV applications, it handles high DC voltages and outdoor conditions with ease — ensuring your solar system performs safely for decades. ✅ Polycab Brand  |  ✅ 100 Meter Roll  |  ✅ UV & Weather Resistant  |  ✅ High Current Capacity ⚙️ Technical Specifications Specification Details Brand Polycab Cross-Sectional Area 4 Sq.mm Cable Length 100 Meters (full roll) Current Carrying Capacity 55 Amps Application Solar PV DC wiring (panel to inverter) Insulation UV-resistant, weather-proof outer sheath Voltage Rating Suitable for standard solar DC systems (up to 1500V DC) Temperature Range -40°C to +90°C Conductor Material Tinned copper (corrosion resistant) 💡 Why 4 Sq.mm is the Right Choice for Solar • Handles up to 55A — suitable for most residential and commercial solar systems up to 10 KW • Minimizes power loss — thicker cable = lower resistance = more energy reaching your inverter • UV-resistant sheath — designed to withstand years of direct sunlight on rooftops • Tinned copper conductor — resists corrosion in humid and coastal environments • Flexible and easy to route — bends easily around mounting structures and conduits 🔧 How to Use This Cable in Your Solar Installation • Panel to Combiner Box: Run individual panel strings to a DC combiner box using this cable. • Combiner Box to Inverter: Connect the combined DC output to your solar inverter. • Use MC4 Connectors: Terminate cable ends with MC4 connectors for weatherproof connections. • Secure with Cable Ties: Route and secure cables along the mounting structure to prevent wind damage. • Avoid Sharp Bends: Maintain a minimum bend radius to prevent insulation damage. 📌 Tip: For a 10 KW system with 25 panels, you'll typically need 100–150 meters of DC cable. This 100m roll covers most standard installations. 🏠 Which Solar Systems Is This Compatible With? • All off-grid and on-grid solar rooftop systems • Compatible with Luminous, Waaree, Adani, Tata, and all major solar inverters • Suitable for 1 KW to 10 KW+ residential and commercial systems ❓ Frequently Asked Questions Q: Can I use this cable for both positive and negative DC lines? A: Yes. Use one roll for positive and one for negative runs, or split a single roll between both depending on your system layout. Q: Is 4 Sq.mm sufficient for a 10 KW system? A: Yes, 4 Sq.mm cable rated at 55A is suitable for most 10 KW residential systems. For very long cable runs (over 30 meters), consider 6 Sq.mm to minimize voltage drop. Q: Does this cable come with MC4 connectors? A: This listing is for the cable only. MC4 connectors are sold separately. Q: Is Polycab a reliable brand for solar cables? A: Absolutely. Polycab is one of India's largest and most trusted cable manufacturers, widely used by professional solar installers across the country. Q: How long does delivery take? A: Delivery typically takes 3–7 business days. Pan-India delivery available. 📦 Order now and get your solar wiring sorted — fast delivery, genuine Polycab quality, pan-India shipping.