

The Lauritz Knudsen (Formerly L&T Switchgear Business) MN5 Thermal Overload Relay (66–110A) is designed for reliable protection of medium to high-capacity motors. Suitable for direct mounting on MNX 50–80 contactors, this relay safeguards motors from overloads, single phasing, and phase imbalance by providing accurate thermal sensing across a wide operating range.Built with ambient temperature compensation up to 55°C, the relay maintains consistent tripping performance even in demanding industrial conditions. The adjustable current range of 66–110A allows precise matching with motor full-load current, reducing nuisance tripping while ensuring dependable protection.The MN5 relay features both manual and auto reset modes, making it suitable for production lines, heavy machinery, and high-load applications. Conforming to IS/IEC 60947-4-1 standards, it ensures long operational life, stable performance, and enhanced motor safety.Meta Summary: Buy LK MN5 Thermal Overload Relay (66–110A) online from Maheshwari Distributors – trusted and genuine LK protection 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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