{"product_id":"bg-circuit-protection-b-curve-mcb-40a-cumb40","title":"BG Circuit Protection B Curve MCB 40A CUMB40","description":"\u003cp\u003eBG Circuit Protection B Curve MCB 40A provides reliable overload and short-circuit protection for domestic and light commercial electrical installations. This single-pole miniature circuit breaker features Type B characteristics, responding quickly to fault conditions whilst tolerating harmless inrush currents. Rated at 40A with a standard DIN rail mounting design, it integrates seamlessly into consumer units and distribution boards. Compliant with BS EN 60898-1 standards, the CUMB40 delivers consistent performance and safety across UK electrical systems. Ideal for protecting lighting circuits, small power loads, and general-purpose applications where dependable protection is essential.\u003c\/p\u003e\n\u003cdiv class=\"rs-specification-list__row rs-specification-list__row--legacy\"\u003e\n\u003cdiv class=\"rs-specification-list__value\"\u003e\n\u003cul\u003e\n\u003cli\u003e40A MCB\u003c\/li\u003e\n\u003cli\u003eB Curve\u003c\/li\u003e\n\u003cli\u003eDimensions - 85 x 18 x 76mm (H x W x D)\u003c\/li\u003e\n\u003cli\u003eBrand - British General Electrical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BG Electrical","offers":[{"title":"Default Title","offer_id":53281315356939,"sku":null,"price":2.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7714\/4075\/files\/BG-Fortress-B-Curve-MCB-40A-CUMB40-Available-from-RS-Electrical_700x700_90b3b6c5-a61a-4b1b-a859-42d0499f2a85.webp?v=1785505445","url":"https:\/\/puelectrical.co.uk\/products\/bg-circuit-protection-b-curve-mcb-40a-cumb40","provider":"PU Electrical Wholesaler Ltd","version":"1.0","type":"link"}