AC Circuit breaker

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AC Circuit Breakers in Pakistan — MCB, MCCB & RCCB for Industrial & Home Use Shop AC circuit breakers in Pakistan at IndustryParts.pk — your reliable online source for Miniature Circuit Breakers (MCB), Moulded Case Circuit Breakers (MCCB), and Residual Current Circuit Breakers (RCCB) . Trusted by electricians, panel builders, and industrial engineers across Karachi, Lahore, Islamabad, and all of Pakistan. What is an AC Circuit Breaker? An AC circuit breaker is a safety switching device that automatically interrupts electrical current when it exceeds safe levels due to overload or short circuit. Unlike fuses, circuit breakers can be reset and reused — making them the preferred protection device in modern electrical installations. Types of Circuit Breakers We Stock MCB (Miniature Circuit Breaker) — For residential and light commercial use. 1, 2, 3, and 4-pole. Current ratings 6 A to 63 A. MCCB (Moulded Case Circuit Breaker) — For heavy industrial applications. Ratings 16 A to 630 A with adjustable trip settings. RCCB (Residual Current Circuit Breaker) — Earth leakage protection. Guards against electric shock and fire from ground faults. RCBO — Combined overcurrent and earth fault protection in a single device. Top Brands Available CHINT Electric — Most popular industrial breaker brand in Pakistan. Cost-effective for panel boards. Schneider Electric — French premium brand. Ideal for critical industrial panels. Hager (Germany) — Used in commercial buildings and factories across Pakistan. Siemens — Global standard for industrial electrical protection. CNC Electric / Geya — Budget-friendly alternatives with good reliability. Build complete protection panels with: Electric Panel Boxes , Magnetic Contactors , Fuses , Overload Relays , and Electric Relays . Frequently Asked Questions — Circuit Breakers Pakistan Q: What MCB size do I need for my home? For a typical Pakistani home: 6 A for lighting, 16–32 A for power sockets, and 63 A or higher for the main breaker. Co