{"product_id":"20-amp-mcb-circuit-breaker","title":"20 Amp MCB Circuit Breaker","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:9f6a78fb-cf31-4b46-aeff-5f7098e84f9f-127\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:9f6a78fb-cf31-4b46-aeff-5f7098e84f9f-127\" data-testid=\"conversation-turn-24\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c8aa6601-eca1-49f9-bb40-2c8f97ccf97f\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"1p927wt\" data-start=\"316\" data-end=\"335\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"337\" data-end=\"763\"\u003eThe 20 Amp MCB Circuit Breaker is a high-quality protective device designed to safeguard electrical circuits from overloads and short circuits. It is widely used in residential, commercial, and light industrial installations where reliable circuit protection is essential. This breaker automatically disconnects the power supply when a fault is detected, helping to prevent damage to wiring and connected electrical equipment.\u003c\/p\u003e\n\u003cp data-start=\"765\" data-end=\"1068\"\u003eRated at 230\/400V, this MCB is suitable for a variety of standard electrical systems. Its compact modular design allows easy installation within consumer units and distribution boards. Ideal for medium to higher load circuits, it ensures safe and stable electrical performance for everyday applications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1h7st9h\" data-start=\"1070\" data-end=\"1086\"\u003eWhy to Choose\u003c\/h2\u003e\n\u003cul data-start=\"1088\" data-end=\"1491\"\u003e\n\u003cli data-section-id=\"1arqkck\" data-start=\"1088\" data-end=\"1151\"\u003eStrong protection against overload and short circuit faults\u003c\/li\u003e\n\u003cli data-section-id=\"dfodjt\" data-start=\"1152\" data-end=\"1204\"\u003e20 Amp rating suitable for medium power circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1h2m4rs\" data-start=\"1205\" data-end=\"1252\"\u003eCompatible with 230\/400V electrical systems\u003c\/li\u003e\n\u003cli data-section-id=\"3qpc44\" data-start=\"1253\" data-end=\"1293\"\u003eCompact design for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"1jdqs3d\" data-start=\"1294\" data-end=\"1334\"\u003eSuitable for home and commercial use\u003c\/li\u003e\n\u003cli data-section-id=\"aqbywc\" data-start=\"1335\" data-end=\"1373\"\u003eEnhances overall electrical safety\u003c\/li\u003e\n\u003cli data-section-id=\"1iv0znn\" data-start=\"1374\" data-end=\"1413\"\u003eReliable and consistent performance\u003c\/li\u003e\n\u003cli data-section-id=\"br6uab\" data-start=\"1414\" data-end=\"1453\"\u003eIdeal for upgrades and replacements\u003c\/li\u003e\n\u003cli data-section-id=\"92nx3l\" data-start=\"1454\" data-end=\"1491\"\u003eLong-lasting durable construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1493\" data-end=\"1508\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1510\" data-end=\"1836\"\u003e\n\u003cli data-section-id=\"ombr5t\" data-start=\"1510\" data-end=\"1540\"\u003e20 Amp MCB circuit breaker\u003c\/li\u003e\n\u003cli data-section-id=\"34b0zx\" data-start=\"1541\" data-end=\"1576\"\u003eAutomatic trip safety mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"1c7ssli\" data-start=\"1577\" data-end=\"1607\"\u003eOverload protection system\u003c\/li\u003e\n\u003cli data-section-id=\"cfx6hq\" data-start=\"1608\" data-end=\"1644\"\u003eShort circuit protection feature\u003c\/li\u003e\n\u003cli data-section-id=\"1v2a2jr\" data-start=\"1645\" data-end=\"1673\"\u003e230\/400V rated operation\u003c\/li\u003e\n\u003cli data-section-id=\"5smplv\" data-start=\"1674\" data-end=\"1701\"\u003eModular DIN rail design\u003c\/li\u003e\n\u003cli data-section-id=\"3r3rau\" data-start=\"1702\" data-end=\"1730\"\u003eConsumer unit compatible\u003c\/li\u003e\n\u003cli data-section-id=\"1l42fwv\" data-start=\"1731\" data-end=\"1768\"\u003eEasy installation and replacement\u003c\/li\u003e\n\u003cli data-section-id=\"13s9tdm\" data-start=\"1769\" data-end=\"1803\"\u003eReliable switching performance\u003c\/li\u003e\n\u003cli data-section-id=\"1s89hkw\" data-start=\"1804\" data-end=\"1836\"\u003eDurable electrical component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1838\" data-end=\"1865\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1867\" data-end=\"2189\"\u003e\n\u003cli data-section-id=\"xlyeja\" data-start=\"1867\" data-end=\"1904\"\u003eProduct Type: MCB Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"w4io4i\" data-start=\"1905\" data-end=\"1931\"\u003eCurrent Rating: 20 Amp\u003c\/li\u003e\n\u003cli data-section-id=\"1cakpvv\" data-start=\"1932\" data-end=\"1960\"\u003eVoltage Rating: 230\/400V\u003c\/li\u003e\n\u003cli data-section-id=\"1bed0rz\" data-start=\"1961\" data-end=\"2006\"\u003eProtection Type: Overload \/ Short Circuit\u003c\/li\u003e\n\u003cli data-section-id=\"ekcao1\" data-start=\"2007\" data-end=\"2064\"\u003eInstallation Type: Distribution Board \/ Consumer Unit\u003c\/li\u003e\n\u003cli data-section-id=\"1e9zdul\" data-start=\"2065\" data-end=\"2093\"\u003eMounting Style: DIN Rail\u003c\/li\u003e\n\u003cli data-section-id=\"8o1ip0\" data-start=\"2094\" data-end=\"2143\"\u003eApplication: Medium Power Electrical Circuits\u003c\/li\u003e\n\u003cli data-section-id=\"ezeav6\" data-start=\"2144\" data-end=\"2189\"\u003eUsage: Domestic \/ Commercial \/ Industrial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"2191\" data-end=\"2220\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-section-id=\"19rnsl5\" data-start=\"2222\" data-end=\"2259\"\u003e1. What is a 20 Amp MCB used for?\u003c\/h3\u003e\n\u003cp data-start=\"2260\" data-end=\"2352\"\u003eIt is commonly used for medium power circuits such as appliances and dedicated socket lines.\u003c\/p\u003e\n\u003ch3 data-section-id=\"75wbqg\" data-start=\"2354\" data-end=\"2399\"\u003e2. What protection does this MCB provide?\u003c\/h3\u003e\n\u003cp data-start=\"2400\" data-end=\"2458\"\u003eIt protects against overload and short circuit conditions.\u003c\/p\u003e\n\u003ch3 data-section-id=\"11551x8\" data-start=\"2460\" data-end=\"2507\"\u003e3. Can this be used in home wiring systems?\u003c\/h3\u003e\n\u003cp data-start=\"2508\" data-end=\"2581\"\u003eYes, it is suitable for domestic consumer units when correctly installed.\u003c\/p\u003e\n\u003ch3 data-section-id=\"8se0k1\" data-start=\"2583\" data-end=\"2619\"\u003e4. What voltage is it rated for?\u003c\/h3\u003e\n\u003cp data-start=\"2620\" data-end=\"2664\"\u003eIt is rated for 230\/400V electrical systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5667gq\" data-start=\"2666\" data-end=\"2712\"\u003e5. Should a professional install this MCB?\u003c\/h3\u003e\n\u003cp data-start=\"2713\" data-end=\"2780\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eYes, installation should be carried out by a qualified electrician.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"DANSON","offers":[{"title":"Default Title","offer_id":57337033064830,"sku":null,"price":3.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/MCB-B20.jpg?v=1777485730","url":"https:\/\/ssmelectric.co.uk\/products\/20-amp-mcb-circuit-breaker","provider":"SSM ELECTRIC","version":"1.0","type":"link"}