The Lauritz Knudsen (Formerly L&T Switchgear Business) DU400N MCCB (250–320A) is built for high-capacity industrial and commercial distribution systems that demand strong fault protection and stable performance. With a 50kA breaking capacity, this MCCB ensures safe and reliable interruption of high fault currents, making it ideal for transformer incomers, industrial feeders, heavy machinery, and large MCC panels.The DU400N offers an adjustable thermal release range of 250–320A, allowing engineers to fine-tune protection settings to match equipment load profiles. Designed as per IS/IEC 60947-2, it features advanced arc-quenching chambers, a durable operating mechanism, and a shared stainless-steel enclosure for easy retrofits and panel integration.This MCCB supports a full range of internal and external snap-fit accessories including auxiliary contacts, alarm contacts, shunt trip, under-voltage release, and spreader terminals—making it suitable for OEM panels, industrial automation, and large commercial installations.Meta Summary: Buy LK DU400N 250–320A TP 50kA MCCB from Maheshwari Distributors – genuine heavy-duty industrial protection with fast India-wide delivery.
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Returns may be requested within 7 days from the date the Customer receives the order, as confirmed by the delivery tracking information.
To be eligible for a return, the item must be unused, unworn, undamaged, and returned in its original packaging. The Customer must contact us by email and receive return instructions before sending the item back.
A return may be accepted only in the following circumstances:
– The Customer received an item that does not match the product title or SKU stated in the confirmed order.
– The item arrived damaged or with damaged packaging.
– The item has a manufacturing defect.
– The shipping provider did not allow the Customer to inspect the goods before making payment.
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Once the returned item has been received, inspected, and approved, the Customer will receive a full refund of the amount paid for the returned item. The refund will be issued through the original payment method, where possible.
Returned products must be securely packed to prevent damage during transit. Customers should use the original shipping carton whenever possible or another suitable protective box.
Products ordered incorrectly because the Customer did not review the product title, SKU, specifications, compatibility, size, color, quantity, description, images, or other product details are not eligible for return, replacement, or refund.
Items that are worn, used, altered, damaged after delivery, returned without their original packaging, or returned with an opened or tampered product seal will not be eligible for a return, replacement, or refund.
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