Buy from verified suppliers in Kolkata, West Bengal. Compare prices, get free quotes, PM Surya Ghar subsidy ₹78,000.
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All Solar Accessories SuppliersElectricity costs ₹6.5–9/unit via CESC. See your payback period in seconds.
Good accessories protect your system and keep it safe. Every rooftop system in Kolkata needs proper DC and AC protection, earthing and solar-rated cables; skipping these is a common cause of failures and fire risk.
| Item | Purpose | Note |
|---|---|---|
| DCDB / ACDB | Fuses, SPDs and isolators | Required for safety and net metering |
| Earthing kit | Chemical earthing pits | Protects people and equipment |
| Lightning arrester | Diverts lightning strikes | Recommended on exposed roofs |
| Solar DC cable | UV-resistant 4–6 sq mm | Ordinary cable degrades in sunlight |
| MC4 connectors | Weatherproof panel joints | Use matching brands |
A 3 kW rooftop system in Kolkata generates about 360 units a month. At CESC's tariff of ₹6.5–9/unit, that saves roughly ₹2,800 a month (₹33,600 a year). After the ₹78,000 PM Surya Ghar subsidy, a 3 kW system costs about ₹82,000–1,32,000, so it pays back in roughly 2.4–3.9 years. CESC handles net metering in Kolkata, West Bengal; your installer usually files the application. Get a precise figure with the solar calculator.