

The Lauritz Knudsen DU400N 320–400A Four Pole MCCB is engineered for heavy-duty electrical distribution, providing reliable protection for high-capacity commercial and industrial systems. Its 50kA breaking capacity ensures superior fault-clearing performance, while the 320–400A thermal release range supports efficient load management under demanding site conditions.Designed to meet rigorous Indian and international installation standards, this MCCB features a durable construction, stable tripping characteristics, and extended operational life. Suitable for main incomers, panel boards, industrial feeders, and high-load machinery applications, it offers dependable protection against overloads and short circuits.Its compact frame allows flexible mounting inside electrical panels without sacrificing performance. With strong mechanical endurance and verified breaking capacity, the DU400N remains a trusted choice for contractors and project engineers.Buy DU400N 320–400A FP MCCB online from Maheshwari Distributors – Genuine Lauritz Knudsen product with 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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