

The Lauritz Knudsen (Formerly L&T Switchgear Business) AU-C 40A DP Changeover Switch is designed to seamlessly switch between two power sources—such as mains and generator—ensuring continuous and safe supply in residential, commercial, and small industrial applications. Its Double Pole (DP) design isolates both live and neutral simultaneously, enhancing operational safety during source transfer.Built to conform to IEC 60947-3 / IS/IEC 60947-3, the switch operates in three positions (I – O – II) with a center OFF state, allowing safe interruption before changeover. The switch falls under AC-22A utilization category, making it suitable for mixed resistive and inductive loads, including lighting circuits, UPS lines, and small machinery.The compact 2-module (17.5 mm × 2) structure fits standard modular distribution boards. The ergonomic operating lever ensures smooth switching, while the robust internal mechanism guarantees long mechanical life and dependable performance.Meta Summary: Buy Lauritz Knudsen 40A DP AU-C Changeover Switch online from Maheshwari Distributors – Genuine LK/L&T product with fast 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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