{"product_id":"siemens-p50-series-small-circuit-breaker-p50-mcb-2p-d16a-6ka","title":"Siemens P50 Series 2P D16A 6kA MCB Circuit Breaker","description":"\u003c!-- koeedmro-seo-v1-custom --\u003e\n\u003cstyle\u003e.kmdro-seo{margin:24px 0;font-size:15px;line-height:1.6;color:#333}\n.kmdro-seo *{box-sizing:border-box}\n.kmdro-seo-badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}\n.kmdro-seo-badge{display:inline-block;padding:5px 12px;border-radius:16px;font-size:13px;font-weight:600}\n.kmdro-seo-badge--stock{background:#e8f5e9;color:#1b5e20}\n.kmdro-seo-badge--warranty{background:#e3f2fd;color:#0d47a1}\n.kmdro-seo-badge--ship{background:#fff3e0;color:#e65100}\n.kmdro-seo h2{font-size:20px;margin:26px 0 10px;padding-bottom:6px;border-bottom:2px solid #eceff1;color:#1a1a1a}\n.kmdro-seo p{margin:10px 0}\n.kmdro-seo table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff}\n.kmdro-seo table td{border:1px solid #e0e0e0 !important;padding:10px 14px !important}\n.kmdro-seo table tr:nth-child(even) td{background:#fafafa}\n.kmdro-seo table td:first-child{width:34%;font-weight:600;background:#f5f5f5 !important;color:#444}\n.kmdro-seo-benefits{list-style:none;margin:12px 0;padding:0}\n.kmdro-seo-benefits li{padding:6px 0 6px 28px;position:relative}\n.kmdro-seo-benefits li::before{content:\"\\2713\";position:absolute;left:0;top:6px;width:19px;height:19px;line-height:19px;text-align:center;border-radius:50%;background:#e8f5e9;color:#1b5e20;font-size:12px;font-weight:700}\n.kmdro-seo details{border:1px solid #e0e0e0;border-radius:8px;margin:10px 0;background:#fff;overflow:hidden}\n.kmdro-seo summary{cursor:pointer;padding:12px 16px;font-weight:600;color:#1a1a1a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.kmdro-seo summary::-webkit-details-marker{display:none}\n.kmdro-seo summary::after{content:\"+\";font-size:18px;color:#888;font-weight:400;flex-shrink:0}\n.kmdro-seo details[open] summary::after{content:\"\\2013\"}\n.kmdro-seo details[open] summary{border-bottom:1px solid #eee}\n.kmdro-seo details p{margin:0;padding:12px 16px;color:#555}\n.kmdro-seo-steps{list-style:none;margin:12px 0;padding:0;counter-reset:kmdro-step}\n.kmdro-seo-steps li{counter-increment:kmdro-step;position:relative;padding:8px 0 8px 40px}\n.kmdro-seo-steps li::before{content:counter(kmdro-step);position:absolute;left:0;top:8px;width:26px;height:26px;line-height:26px;text-align:center;border-radius:50%;background:#1a73e8;color:#fff;font-weight:700;font-size:13px}\n.kmdro-seo-note{margin-top:20px;padding:12px 16px;background:#f5f7fa;border-left:4px solid #1a73e8;font-size:14px;color:#444}\u003c\/style\u003e\n\u003cdiv class=\"kmdro-seo\"\u003e\n\u003cdiv class=\"kmdro-seo-badges\"\u003e\n\u003cspan class=\"kmdro-seo-badge kmdro-seo-badge--stock\"\u003eIn Stock\u003c\/span\u003e\n\u003cspan class=\"kmdro-seo-badge kmdro-seo-badge--warranty\"\u003e1-Year Warranty\u003c\/span\u003e\n\u003cspan class=\"kmdro-seo-badge kmdro-seo-badge--ship\"\u003eShips Worldwide\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSiemens P50 MCB 2P D16A Overview\u003c\/h2\u003e\n\u003cp\u003eThis Siemens P50-series miniature circuit breaker is a 2-pole unit rated 16A with a D tripping curve and 6kA breaking capacity, switching both line and neutral of a single-phase circuit. The D curve tolerates heavy inrush — the characteristic used on circuits feeding small motors, transformers and switch-mode supplies.\u003c\/p\u003e\n\u003cp\u003eAs an MCB it provides overload and short-circuit protection in a DIN-rail format. The 2-pole construction fully isolates the downstream circuit (both conductors break together), which suits outbuilding feeds, equipment inlets and circuits needing positive disconnection of line and neutral.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel designation\u003c\/td\u003e\n\u003ctd\u003eP50 MCB 2P D16A (per listing title)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice type\u003c\/td\u003e\n\u003ctd\u003eMiniature circuit breaker (MCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e2P (line + neutral)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated current\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripping curve\u003c\/td\u003e\n\u003ctd\u003eD (high inrush tolerance, approx. 10-20× In trip band)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaking capacity\u003c\/td\u003e\n\u003ctd\u003e6kA (per listing title)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard 35mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCompatibility \u0026amp; Cross-References\u003c\/h2\u003e\n\u003cul class=\"kmdro-seo-benefits\"\u003e\n\u003cli\u003eDIN-rail consumer units and distribution boards taking standard MCB footprints\u003c\/li\u003e\n\u003cli\u003eD-curve selection for motor\/transformer\/PSU feeders; C-curve versions for general loads\u003c\/li\u003e\n\u003cli\u003e2-pole isolation of line+neutral on single-phase feeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul class=\"kmdro-seo-benefits\"\u003e\n\u003cli\u003eProtection of motor circuits and control transformers with high inrush current\u003c\/li\u003e\n\u003cli\u003eFeeders to switch-mode power supplies and DC-drive front ends\u003c\/li\u003e\n\u003cli\u003eSingle-phase sub-mains needing both conductors switched (line + neutral isolation)\u003c\/li\u003e\n\u003cli\u003eWorkshop and equipment-inlet protection on 16A circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does the D16A curve mean?\u003c\/summary\u003e\u003cp\u003e16A is the rated current, and the D curve is the MCB characteristic that tolerates roughly 10-20 times rated current briefly before tripping — chosen where inrush from motors, transformers or power supplies would nuisance-trip a C-curve breaker.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy a 2-pole MCB instead of 1-pole?\u003c\/summary\u003e\u003cp\u003eA 2-pole breaker switches and protects both line and neutral together, giving full isolation of the downstream circuit — required practice on outbuilding feeds and equipment inlets, and useful wherever positive disconnection matters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does 6kA breaking capacity mean?\u003c\/summary\u003e\u003cp\u003eIt is the maximum fault current the breaker can safely interrupt. 6kA is the standard household\/commercial MCB class and covers the prospective short-circuit currents of typical installation supplies.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use a D-curve breaker on a socket circuit?\u003c\/summary\u003e\u003cp\u003eIt fits electrically, but D curve reduces shock-protection sensitivity on outlet circuits because it rides through lower fault currents longer. C curve is the usual choice for socket\/lighting feeds; reserve D for high-inrush equipment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this the same as an RCBO?\u003c\/summary\u003e\u003cp\u003eNo. An MCB provides overload and short-circuit protection only. If the circuit also needs earth-leakage (residual current) protection, an RCBO is required.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eWhy Order the P50 MCB 2P D16A from koeedmro\u003c\/h2\u003e\n\u003cul class=\"kmdro-seo-benefits\"\u003e\n\u003cli\u003eVerified stock — every listing reflects real inventory on our shelves\u003c\/li\u003e\n\u003cli\u003e1-year warranty on every order\u003c\/li\u003e\n\u003cli\u003eWorldwide shipping, with free domestic delivery\u003c\/li\u003e\n\u003cli\u003eSecure checkout and order tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Order\u003c\/h2\u003e\n\u003col class=\"kmdro-seo-steps\"\u003e\n\u003cli\u003eAdd the P50 MCB 2P D16A to your cart\u003c\/li\u003e\n\u003cli\u003eCheck out with your shipping address\u003c\/li\u003e\n\u003cli\u003eWe quality-check the unit and dispatch it\u003c\/li\u003e\n\u003cli\u003eTrack your order to your door\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"kmdro-seo-note\"\u003eRating facts (2P, D16A, 6kA, MCB) per listing title and handle; D-curve trip band 10-20×In per standard MCB curve definitions. P50 series designation retained as listed — not mapped to a specific Siemens order code.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- end koeedmro-seo-v1-custom --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the D16A curve mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"16A is the rated current, and the D curve is the MCB characteristic that tolerates roughly 10-20 times rated current briefly before tripping — chosen where inrush from motors, transformers or power supplies would nuisance-trip a C-curve breaker.\"}},{\"@type\":\"Question\",\"name\":\"Why a 2-pole MCB instead of 1-pole?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 2-pole breaker switches and protects both line and neutral together, giving full isolation of the downstream circuit — required practice on outbuilding feeds and equipment inlets, and useful wherever positive disconnection matters.\"}},{\"@type\":\"Question\",\"name\":\"What does 6kA breaking capacity mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is the maximum fault current the breaker can safely interrupt. 6kA is the standard household\/commercial MCB class and covers the prospective short-circuit currents of typical installation supplies.\"}},{\"@type\":\"Question\",\"name\":\"Can I use a D-curve breaker on a socket circuit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It fits electrically, but D curve reduces shock-protection sensitivity on outlet circuits because it rides through lower fault currents longer. C curve is the usual choice for socket\/lighting feeds; reserve D for high-inrush equipment.\"}},{\"@type\":\"Question\",\"name\":\"Is this the same as an RCBO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. An MCB provides overload and short-circuit protection only. If the circuit also needs earth-leakage (residual current) protection, an RCBO is required.\"}}]}\u003c\/script\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":43960472109221,"sku":"5TH62168CT","price":475.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/1322\/9477\/files\/Siemens_P50_Series_2P_D16A_6kA_MCB_Circuit_Breaker__1.webp?v=1787637811","url":"https:\/\/koeedmro.com\/id\/products\/siemens-p50-series-small-circuit-breaker-p50-mcb-2p-d16a-6ka","provider":"koeedmro","version":"1.0","type":"link"}