Buy RCBO Online — Residual Current Circuit Breaker with Overcurrent Protection

Looking to buy RCBO online at the best price? ElectriHub offers a comprehensive selection of genuine RCBO breakers from the world's most trusted electrical brands. Whether you are an electrical contractor, panel builder, facility manager, or homeowner upgrading your distribution board, our range of Residual Current Circuit Breakers with Overcurrent Protection (RCBO) ensures complete safety against earth leakage, short circuits, and overload conditions. With 568+ products in stock spanning current ratings from 2A to 100A and breaking capacities of 6kA and 10kA, ElectriHub is your one-stop destination to buy RCBO breaker online with fast, reliable delivery worldwide.

What is an RCBO?

An RCBO — short for Residual Current Circuit Breaker with Overcurrent Protection — combines the dual protective functions of an RCD (Residual Current Device) and an MCB (Miniature Circuit Breaker) into one compact DIN-rail unit. It simultaneously protects against:

• Earth Leakage / Ground Fault: Detects current imbalances as low as 10mA or 30mA, tripping instantly before electric shock or fire can occur.
• Overcurrent (Overload & Short Circuit): Trips the circuit to protect wiring and connected equipment from thermal and electrodynamic damage.

Because an RCBO delivers both protections in a single module, it is far more space-efficient than using a separate RCD and MCB for each circuit — the preferred choice for modern residential consumer units, commercial panels, and industrial distribution boards.

Why Buy RCBO from ElectriHub?

• Genuine Products Guaranteed — Sourced directly from authorised distributors. No grey market, no counterfeits.
• 568+ SKUs in Stock — 1P+N, 2P, 3P, and 4P configurations for single-phase and three-phase applications.
• All Current Ratings Available — 2A, 4A, 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 63A, 80A, and 100A.
• 6kA and 10kA Breaking Capacity — Suitable for residential, commercial, and industrial applications.
• Sensitivity Options — 10mA, 30mA, 100mA, and 300mA.
• Curve Types — B, C, and D to match your load's inrush characteristics.
• Fast Global Delivery — Most in-stock items ship within 1–4 business days.
• Bulk Orders Welcome — Contact us for volume pricing through our Enquiry Dashboard.

Top RCBO Brands Available at ElectriHub

1. Schneider Electric RCBO — Acti 9 Series

Schneider Electric is one of the most popular choices when engineers and contractors buy RCBO online. The flagship range is the Acti 9 series, which includes the DPN Vigi and DPN N Vigi sub-families.

• Acti 9 DPN Vigi (A9N19634, A9N19636, A9N19637, A9N19644, A9N19647, A9N19648) — 1P+N, 6kA, 6A–40A, 30mA/300mA. Ideal for residential and light commercial boards.
• Acti 9 DPN N Vigi (A9N19661–A9N19689) — 1P+N, 10kA, 6A–40A, Type AC and Type A. Suited for commercial premises with higher fault levels.
• Acti 9 Active iCV40H ARC (A9TDND610, A9TDND620, A9TDND625, A9TDND632) — RCBO with active arc fault detection (AFDD). For care homes, student accommodation, and high-risk locations. Available in 10A, 20A, 25A, and 32A.

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2. ABB RCBO — DS201 / DS200 Series

ABB's RCBO range falls under the DS200 and DS201 product families, renowned for high immunity to nuisance tripping.

• ABB DS201 (e.g. 2CSR272027R3404) — 1P+N, 6A–40A, 6kA/10kA, 10mA/30mA/100mA sensitivity, B and C curves.
• ABB DS202, DS202M, DSB201M, DSB202M, DSB204M — 2P to 4P configurations for commercial and industrial main distribution boards.
• ABB DS203NC — 3-pole, 10kA, ideal for industrial panels with three-phase motor circuits.

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3. Eaton RCBO — DHBM Series

Eaton's DHBM series offers compact, single-module-wide 1P+N RCBOs compatible with Eaton's xEffect distribution boards.

• Available in 6A–40A, 6kA/10kA, B and C curves, Type A sensitivity (30mA).
• Type A sensitivity makes the DHBM ideal for modern electronic loads including EV chargers, inverters, and variable speed drives.

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4. Havells RCBO

Havells is a trusted Indian brand for residential and commercial electrical markets, offering competitively priced RCBOs that meet IS/IEC standards.

• Available in 1P+N and 2P configurations, 6A–40A, 6kA breaking capacity.
• 30mA and 100mA sensitivity, B and C curve variants.
• BIS compliant and designed for Indian operating conditions — suitable for ACs, geysers, washing machines, and general power circuits.

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5. Siemens RCBO — 5SU1 Series

Siemens' 5SU1 series with SIGRES technology offers one of the widest application ranges in the RCBO market.

• Available in 1P+N, 2P, 3P, and 4P configurations, 6A–63A, 6kA and 10kA.
• B, C, and D characteristic curves — including a D-curve option for high-inrush industrial loads.
• Sensitivity options: 10mA, 30mA, 100mA, and 300mA. Type A variants available.

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6. L&T RCBO — AU Series (Lauritz Knudsen)

L&T Electrical (now Lauritz Knudsen in India) offers the AU series for high-capacity and industrial applications.

• Example: AUF3C403210 — 32A, 4P, 415V AC, 10kA, 100mA, C Curve.
• Covers 10A–63A, 1P+N to 4P, 10kA breaking capacity.
• IS/IEC compliant, rated for high ambient temperatures. Ideal for commercial kitchens, HVAC, and industrial sub-distribution panels.

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How to Choose the Right RCBO

When you are ready to buy RCBO breaker online, match these key parameters to your application:

• Current Rating: 6A (lighting), 16A (sockets), 20A (kitchen appliances), 25A–32A (cookers, showers), 40A (EV chargers), 63A–100A (industrial).
• Number of Poles: 1P+N for single-phase circuits. 2P, 3P, or 4P for three-phase commercial and industrial applications.
• Sensitivity (mA): 30mA for personal shock protection (mandatory for sockets, bathrooms, outdoors). 100mA/300mA for fire protection or selectivity. 10mA for high-risk locations.
• Type: Type AC for standard resistive/inductive loads. Type A for EV chargers, inverters, and washing machines with variable motors. Type A-SI for high-frequency noise immunity.
• Characteristic Curve: B curve for resistive loads. C curve for general use and motor circuits (most common). D curve for high-inrush loads such as transformers.
• Breaking Capacity: 6kA for residential. 10kA for commercial and industrial premises with higher prospective short circuit current (PSCC).

RCBO vs RCCB vs MCB — What's the Difference?

• MCB (Miniature Circuit Breaker): Protects against overcurrent only. No earth leakage protection.
• RCCB / ELCB: Protects against earth leakage only. Must be paired with an MCB. One RCCB covering multiple circuits will trip all of them for a single fault.
• RCBO: Combines both overcurrent and earth leakage protection in one device. Most space-efficient and cost-effective solution for individual circuit protection in modern installations.

Brand Comparison at a Glance

Common RCBO Applications

• Residential: Kitchen circuits, bathroom circuits (shower, shaver sockets), garage and outdoor sockets, EV charging points, and wet-zone lighting. Individual RCBO protection per circuit eliminates nuisance tripping — a faulty appliance will not cut power to the rest of the home.
• Commercial: Office floor circuits, retail refrigeration and lighting, restaurant and commercial kitchen appliances, hotel room circuits, and data centre PDU incoming circuits.
• Industrial: Sub-distribution boards for process equipment, machine tool circuits, HVAC systems, pumping systems, and outdoor feeder circuits. 4P, 10kA, D-curve RCBOs from Siemens 5SU1 and L&T AU are preferred for these applications.

Frequently Asked Questions

Q: Which RCBO brand is best for residential use in India?

For residential use in India, Havells, Schneider Acti 9, ABB DS201, and L&T AU series are all excellent choices. For premium performance with Type A sensitivity and 10kA breaking capacity, the Schneider Acti 9 DPN N Vigi range is highly recommended.

Q: What is the difference between a 30mA and 100mA RCBO?

A 30mA RCBO provides personal shock protection and is required by most wiring regulations for socket circuits, bathrooms, and outdoor circuits. A 100mA RCBO is used for fire protection or selectivity in main distribution boards. Always use 30mA where personal protection is the primary goal.

Q: Can I use an RCBO in place of an MCB?

Yes. An RCBO fits in the same DIN rail space as an MCB and provides the same overcurrent protection plus additional earth leakage protection. Replacing MCBs with RCBOs is the recommended approach for new installations under modern wiring regulations.

Q: What does Type A RCBO mean?

A Type A RCBO detects both sinusoidal (AC) and pulsating DC residual currents. This is essential for modern electronic equipment including EV chargers, variable speed drives, washing machines with inverter motors, and LED drivers — which produce non-sinusoidal leakage currents that a standard Type AC RCBO may not detect reliably.

Q: Is the Siemens 5SU1 RCBO suitable for industrial use?

Yes. The Siemens 5SU1 series includes 3P and 4P configurations with D-curve and 10kA breaking capacity, making it well-suited for industrial panels involving motor circuits and high-inrush loads.

Q: Can I buy RCBO in bulk from ElectriHub?

Yes. ElectriHub caters to contractors, panel builders, and procurement teams. For bulk enquiries, use the Enquiry Dashboard on our website or contact us directly for volume pricing and project supply.

Q: What is the difference between an RCBO and an RCCB?

An RCCB protects only against earth leakage and must always be paired with an MCB. An RCBO combines both overcurrent and earth leakage protection in one device. For modern installations where each circuit needs individual protection, the RCBO is the preferred and most space-efficient solution.

Popular Brands in RCBO Breaker

ABB RCBO, Eton RCBO, Havells RCBO, L&T RCBO, Siemens RCBO, Schneider RCBO

Breaking Capacity in RCBO Breaker

10kA RCBO, 6kA RCBO, 6kA/10kA RCBO

Popular Rating in RCBO Breaker

6A RCBO, 10A RCBO, 16A RCBO, 20A RCBO, 25A RCBO, 32A RCBO, 40A RCBO, 63A RCBO, 80A RCBO, 100A RCBO, 4A RCBO, 2A RCBO

Categories in Home Distribution Products

Distribution Board | Loadcentre | MCB | MCB Accessories | Plug & Socket | RCBO Breaker | RCCB/ELCB | Surge Protection Accessories | Surge Protection Device | Switches and Sockets |