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The Lauritz Knudsen (Formerly L&T Switchgear Business) 40A Four Pole RCCB offers high-sensitivity earth-leakage protection for three-phase electrical installations. With a 30mA sensitivity rating, it ensures rapid disconnection during leakage faults, helping prevent electric shock and fire risks in residential, commercial, and industrial environments.Designed using the CBCT (Core Balance Current Transformer) principle, this RCCB maintains tripping accuracy even at nominal voltage. It conforms to IS 12640 (Part 1) / IEC 61008-1, ensuring compliance with global electrical protection standards. The 10kA short-circuit withstand capability adds an additional layer of safety for harsh fault conditions.Its 4-module (17.5 mm × 4) compact profile fits easily into modern distribution boards. The advanced neutral mechanism, robust terminals, and true current-operated functionality make it reliable for continuous operation under varying load conditions.Meta Summary: Buy LK 40A Four Pole RCCB (30mA, 10kA) online from Maheshwari Distributors – genuine LK protection with fast, trustworthy 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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