{"id":36559,"date":"2026-02-05T15:09:54","date_gmt":"2026-02-05T14:09:54","guid":{"rendered":"https:\/\/fvcomponentes.com\/?post_type=product&#038;p=36559"},"modified":"2026-02-13T15:03:29","modified_gmt":"2026-02-13T14:03:29","slug":"magnetotermico-cc-alpha-500vdc-2p-20a-curva-c-6ka-epb63mdc2c20","status":"publish","type":"product","link":"https:\/\/fvcomponentes.com\/en\/producto\/magnetotermico-cc-alpha-500vdc-2p-20a-curva-c-6ka-epb63mdc2c20\/","title":{"rendered":"DC Circuit Breaker Alpha+ 500VDC 2P, 20A, C-curve 6kA - EPB63MDC2C20"},"content":{"rendered":"<h2>DC Circuit Breaker Alpha+ 500VDC 2P, 20A, C-curve 6kA - EPB63MDC2C20<\/h2>\n<p>The Maxge Alpha+ 500 VDC 2P, 20 A DC circuit breaker is a circuit breaker designed to protect direct current (DC) installations.<\/p>\n<p>With a rated voltage of 500VDC, a rated current of 20A and a two-pole (2P) configuration, this circuit breaker offers effective and safe protection against overloads and short-circuits in medium-power electrical systems.<br \/>\nIn addition, it combines thermal overload protection and magnetic overload protection for quick response to sudden power failures.<\/p>\n<p>This circuit breaker has a breaking capacity of 6kA, which allows it to interrupt short-circuit currents of up to 6,000 amperes without compromising the integrity of the device or the safety of the installation. It is therefore a reliable solution for both new installations and extensions to existing switchboards.<\/p>\n<p>As part of Maxge's Alpha+ DC series, it is designed to meet the challenges presented by direct current, especially in modern environments for the generation, storage and use of renewable energy or power electronics.<\/p>\n<h2>Main features of the Alpha+ DC MCB 500VDC 2P, 20A<\/h2>\n<h3>Full bipolar protection<\/h3>\n<p>Being a <strong>2-pole MCB (2P)<\/strong>, The DC circuit can be disconnected at the same time from the two main conductors (positive and negative), increasing operational safety and facilitating maintenance.<\/p>\n<p>This is particularly important in DC installations, as it ensures complete isolation of the system in the event of a fault and reduces electrical hazards.<\/p>\n<h3>More demanding loads<\/h3>\n<p>With a <strong>20 ampere rated current<\/strong>, This circuit breaker is designed for circuits that support loads higher than the usual 16 A, guaranteeing precise and reliable protection.<\/p>\n<p>It is most commonly seen protecting intermediate power circuits, non-excessive loads and auxiliary power supplies in complex systems.<\/p>\n<p>Provided that the cables are correctly dimensioned, this circuit breaker guarantees safe, stable and continuous operation of the circuit.<\/p>\n<h3>Balance between protection and stability<\/h3>\n<p>The DC Alpha+ 500VDC 2P, 20A DC circuit breaker incorporates a <strong>firing curve C, <\/strong>which is designed to tolerate moderate current peaks without causing untimely tripping.<\/p>\n<p>The C-curve provides an optimum balance between sensitivity and tolerance, maintaining effective protection against dangerous overcurrents and overloads without affecting the normal operation of the installation.<\/p>\n<p>This avoids nuisance tripping, but does not reduce the protection against real short circuits.<br \/>\nIn addition, the installation is more stable.<\/p>\n<p>It is therefore suitable for circuits with moderate starting peaks, such as photovoltaic systems, battery banks, electronic equipment, power supplies, and small DC motors.<\/p>\n<h3>High short-circuit resistance<\/h3>\n<p>Your <strong>6 kA breaking capacity<\/strong> means that it can safely interrupt major short circuits of up to 6,000 amperes without damage or loss of properties.<\/p>\n<p>It is a value that ensures an adequate and safe level of protection within most industrial or commercial direct current (DC) applications.<\/p>\n<p>It provides a good level of safety and protection for most common low voltage DC installations.<\/p>\n<h3>Safety in direct current (DC) installations<\/h3>\n<p>The interruption of direct current is more demanding than alternating current due to the absence of zero crossing.<\/p>\n<p>For this reason, this circuit breaker is designed with<strong> arc extinguishing systems<\/strong> suitable for DC, guaranteeing a safe and durable cut.<\/p>\n<p>As a result, the Alpha+ DC MCB offers a robust, reliable and ready-to-use solution for effective protection of DC electrical systems.<\/p>\n<h3>Easy installation and compact design<\/h3>\n<p>The DC Alpha+ 2P, 20A is designed to <strong>DIN rail mounting<\/strong>, This facilitates a quick and tidy installation in any electrical panel, and favours the expansion and organisation of the distribution.<\/p>\n<p>Your <strong>terminals<\/strong> are prepared to accept cables with a cross-section suitable for this current rating (<strong>16mm\u00b2 in flexible cable and 25mm\u00b2 in rigid cable<\/strong>). This guarantees firm and secure connections, without overheating or false contacts.<\/p>\n<p>In addition, it has a <strong>compact 36 mm wide design<\/strong> (18 mm per pole), and it features <strong>window for circuit marker<\/strong> y <strong>a visual status signalling (on\/off)<\/strong>, The circuit it protects can be easily identified.<br \/>\nTherefore, it provides a quick diagnosis and is very easy to maintain.<\/p>\n<h2>Maxge Alpha+ 2P, 20A, C-curve, 6kA - EPB63ME2C20 - Operation and Applications<\/h2>\n<p>This circuit breaker protects the circuit in two ways:<\/p>\n<ul>\n<li><strong>Thermal protection (overload):<\/strong> cuts off the current if there is a sustained overload, preventing both overheating of the cables and possible damage to the installation.<\/li>\n<li><strong>Magnetic protection (short circuit):<\/strong> acts almost instantly when there is a strong short-circuit. When this happens, this circuit breaker cuts off the power supply and protects both the installation and the connected equipment.<\/li>\n<\/ul>\n<p>In this way, the circuit breaker protects against both progressive increases in current and sudden faults, ensuring a fast and effective response.<\/p>\n<h2>Main advantages of the Alpha+ DC Circuit Breaker 500VDC 2P, 20A<\/h2>\n<p>This circuit breaker has the following advantages:<\/p>\n<ul>\n<li><strong>Safe DC operation:<\/strong><span style=\"font-size: 16px\"> guarantees a correct extinguishing of persistent electric arcs in direct current.<\/span><\/li>\n<li><strong>Optimised for direct current up to 500 V: <\/strong>provides greater safety and control in installations operating at high DC voltages.<\/li>\n<li><strong>2-pole for complete disconnection of the DC circuit: <\/strong>improves safety in maintenance and operation.<\/li>\n<li><strong>Balanced C-curve:<\/strong> tolerates temporary power surges, without unnecessary tripping.<\/li>\n<li><strong>High breaking capacity of 6 kA:<\/strong> allows circuits to be effectively protected against significant power failures.<\/li>\n<li><strong>Versatile installation:<\/strong> is easily mounted on DIN rail, allowing modularity and order in the electrical panel.<\/li>\n<li><strong>Double thermal and magnetic protection:<\/strong> integrates safe protection against overloads and short circuits.<\/li>\n<li><strong>Reduces contact wear and prolongs service life:<\/strong> thanks to technical solutions for arc control and adapted geometries.<\/li>\n<\/ul>\n<h2>Technical Information for Alpha+ 500VDC 2P, 20A, C-curve, 6kA DC Circuit Breaker - EPB63MDC2C20<\/h2>\n<p><a href=\"https:\/\/fvcomponentes.com\/wp-content\/uploads\/2026\/02\/es_fichas-tecnicas_ficha_tecnica_epb63mdc-1.pdf\" target=\"_blank\" rel=\"noopener\">Data sheet Magnetotermico DC Alpha+ 500VDC 2P, 20A<\/a><\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>Rated voltage: 500VDC<\/li>\n<li>Rated current: 20A<\/li>\n<li>Number of poles: 2P<\/li>\n<li>Trigger curve C<\/li>\n<li>Breaking capacity: 6kA<\/li>\n<li>Mounting: DIN rail<\/li>\n<li>Application: Protection of DC circuits<\/li>\n<li>Minimum operating voltage: 12VDC<\/li>\n<li>International standard EN\/IEC60947-2<\/li>\n<li>Local status signalling<\/li>\n<li>Window for circuit marker<\/li>\n<li>Terminal connection for copper cables: 16mm\u00b2 in flexible cable and 25mm\u00b2 in rigid cable<\/li>\n<li>Dimensions: 36mm (18mm per pole)<\/li>\n<li>Allows attachment of accessories and control gear<\/li>\n<li>Suitable for sectioning<\/li>\n<li>Working temperature: from -5\u00baC to + 40\u00baC.<\/li>\n<\/ul>","protected":false},"featured_media":36786,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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