MCB & Distribution Board Price in Kolkata (2026) – Complete Buying Guide
An MCB (Miniature Circuit Breaker) and distribution board (DB) form the safety backbone of any electrical setup — protecting your home or office from short circuits, overloads, and electrical fires. If you're wiring a new property or upgrading an old panel in Kolkata or Howrah, here's everything you need to know about pricing and selection.
What Is an MCB and Why Every Home Needs One
An MCB automatically cuts off power supply when it detects excess current or a short circuit, preventing damage to appliances and reducing fire risk. Unlike old-style fuse wires, MCBs are:
- Reusable — simply reset the switch after a trip, no replacement needed
- Faster acting — trips within milliseconds of a fault
- Safer — reduces risk of electric shock and fire
Types of MCBs and Distribution Boards
Single Pole (SP) MCB
Used for individual circuits like lights and fans. Most common and economical option for small loads.
Double Pole (DP) MCB
Used for circuits needing both live and neutral disconnection, such as geysers and ACs.
Triple Pole (TP) & Four Pole (FP) MCB
Used in three-phase industrial and commercial setups.
Distribution Boards (DB)
Available in 4-way, 6-way, 8-way, 12-way, and higher configurations depending on how many circuits your property has.
Indicative MCB & DB Price Range in Kolkata
Prices vary by brand (Havells, Polycab, Legrand, Schneider, L&T) and current market rates. Contact us for a confirmed quote.
*Approximate market range for Kolkata/Howrah. Prices depend on brand and pole rating — call for today's rate.
How to Choose the Right MCB Rating
MCB ratings (6A, 16A, 20A, 32A, etc.) depend on the load of the circuit. As a rough guide:
- 6A – Lighting circuits
- 16A – Plug points, fans
- 20–25A – AC, water heater
- 32A – Kitchen appliances, motor loads
Wrong sizing can either cause frequent nuisance tripping or, worse, fail to protect your wiring. Our technicians assess your load before recommending a panel.
Why Buy Your Electrical Panel from Indian Automation
- Genuine products from trusted brands — Havells, Polycab, Legrand, Schneider
- Free site visit and load assessment in Kolkata & Howrah
- Professional panel installation and testing included
- After-sales support for repairs and upgrades

Related Products & Services
- Polycab Wire Price in Kolkata
- Switches & MCB Products
- Electrical Panel Installation Services
- Industrial Automation Panels
Frequently Asked Questions
What is the difference between MCB and RCCB?
An MCB protects against overload and short circuit, while an RCCB (Residual Current Circuit Breaker) protects against earth leakage and electric shock. Most modern homes use both together for complete safety.
How many MCBs does a 2BHK flat need?
Typically 6 to 10 MCBs depending on how circuits are split — lighting, plugs, kitchen, AC, and geyser are usually kept on separate MCBs.
Can I install a distribution board myself?
It's not recommended. Incorrect wiring inside a DB can be dangerous. Always use a licensed electrician for panel installation.
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