L&K MCB 3 pole
Lauritz Knudsen (L&K) 3-Pole MCB: reliable circuit protection with automatic overload and short-circuit detection. Ideal for residential and commercial electrical systems.
The L&K (Lauritz Knudsen) 3-Pole MCB is a trusted solution for complete circuit protection in three-phase electrical systems. Designed for residential, commercial, and industrial applications, this miniature circuit breaker combines precision engineering with proven reliability to safeguard your electrical infrastructure against overloads and short circuits.
- Three-Pole Configuration – Ideal for three-phase electrical systems and heavy-duty power distribution
- Automatic Overload & Short-Circuit Protection – Instantly detects and isolates faults before they cause damage or fire hazards
- Wide Current Range – Available in ratings from 0.5A to 63A to match your specific load requirements
- Multiple Trip Curves – Choose B, C, or D curve types depending on your application (lighting, general use, or high-inrush equipment)
- High Breaking Capacity – Up to 10kA breaking capacity ensures safe disconnection even under severe fault conditions
- International Standards Certified – Conforms to IS/IEC 60898-1 for quality assurance and safety compliance
- Durable Construction – Heavy-duty contacts with 100,000+ mechanical operations and fire-resistant casing
- Compact DIN-Rail Design – Space-saving modular design with easy installation and quick maintenance
- Enhanced Safety Features – True contact indication, finger-proof terminals (IP20 protection), and dual termination for flexible wiring
- Energy Efficient – Approximately 50% lower watt loss compared to IEC standards, reducing heat generation
- Thermal & Magnetic Dual Protection – Reliable response to both gradual overloads and sudden short circuits
- Indian Conditions Tested – Designed to perform reliably in hot, dusty, and humid environments across India
Whether you're building a new distribution panel, upgrading your electrical system, or seeking dependable protection for industrial machinery, the L&K 3Pole MCB delivers the safety, performance, and longevity that Indian electricians and contractors have trusted for decades. Easy to install, simple to reset after a trip, and backed by strong after-sales support.
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