Wylex 40A 6kA Single Pole MCB - Type B - NHXLB40

The Wylex NHXLB40 40A Type B Single Pole MCB is a dependable solution for protecting electrical circuits in residential and light commercial environments. Designed to automatically trip in the event of overloads or short circuits, it safeguards wiring and connected equipment from damage, helping to maintain safety and reliability across your installation.

With its compact 18 mm single-module width, the NHXLB40 is designed to fit neatly into Wylex consumer units and other standard DIN-rail enclosures. It offers a 6 kA breaking capacity and is fully compliant with BS EN 60898-1, ensuring it meets the latest UK and international safety standards. This breaker is particularly well-suited for circuits supplying heavier loads, including cookers, showers, and other high-demand household appliances.

Part of the trusted NHXLB range, the NHXLB40 shares consistent dimensions with other ratings in the series, making it straightforward to install, replace, or expand consumer units. Its durable construction and installer-friendly design make it a reliable choice for electricians who value both safety and efficiency.