The Lauritz Knudsen DN3-400N 320–400A Four Pole MCCB is engineered for heavy-duty electrical protection in commercial, industrial, and high-load distribution systems. With a breaking capacity of 50kA and precision thermal-magnetic trip technology, it ensures stable performance even in demanding environments.Built to comply with IS/IEC 60947-2 standards, the MCCB offers a wide thermal release range of 320–400A, enabling safe handling of fluctuating loads. The four-pole configuration enhances isolation and system safety, making it suitable for 415V AC networks. Its durable construction, adjustable overload/short-circuit protection, and high endurance design make it ideal for large commercial buildings, industrial machinery panels, and infrastructure applications.Whether you're upgrading an existing panel or planning a new installation, this MCCB provides unmatched reliability and long service life.Meta Summary: Buy Lauritz Knudsen DN3-400N 400A 4P MCCB online from Maheshwari Distributors – Genuine LK product with reliable delivery across India.
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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.
Products with an opened, broken, removed, or tampered seal are not eligible for return, replacement, or refund.
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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