

The Lauritz Knudsen DN3-400N 160–400A Four Pole MCCB with MTX 1.0 microprocessor release is engineered for high-performance protection in industrial and commercial electrical systems. With advanced sensing and digital trip features, it delivers precise overload, short-circuit, and instantaneous fault protection for demanding applications.Its 50kA breaking capacity at 415V AC ensures reliable clearing of high fault currents, making it suitable for heavy-duty distribution networks. The MTX 1.0 platform provides configurable overload settings (0.4–1.0×In), short-circuit protection (1.5–8×Ir), thermal memory, instantaneous protection, and variable trip class for enhanced selectivity and system stability. Front LED indication enables clear visibility of breaker status during operation.The FP (4-Pole) design ensures complete three-phase + neutral protection, ideal for industrial feeders, commercial buildings, process plants, MCC panels, and high-load installations. Built with L&T’s legacy engineering, it guarantees long-term reliability and safe operation under fluctuating load conditions.Meta Summary: Buy DN3-400N 400A FP MCCB MTX 1.0 online from Maheshwari Distributors – Genuine Lauritz Knudsen product with fast and reliable delivery across India.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.
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