{"id":7145,"date":"2025-09-24T03:02:30","date_gmt":"2025-09-24T03:02:30","guid":{"rendered":"https:\/\/www.oohmage.com\/?post_type=product&p=7145"},"modified":"2026-07-10T05:56:33","modified_gmt":"2026-07-10T05:56:33","slug":"omdn40-dc-t2-dc-spd","status":"publish","type":"product","link":"https:\/\/www.oohmage.com\/vi\/dc-surge-protection-device\/omdn40-dc-t2-dc-spd\/","title":{"rendered":"OMDN40-DC T2 DC SPD \u2013 Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n DC"},"content":{"rendered":"

Description<\/h2>\n
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Protect your DC electrical systems from harmful voltage spikes and transient surges with the OOHMAGE MDN40-DC Type 2 DC SPD Surge Protection Device (SPD). Designed with Metal Oxide Varistor (MOV) technology, a pluggable design, and low residual voltage, this high-performance surge protector ensures maximum system safety and easy maintenance for solar power installations, industrial DC circuits, and energy storage applications. Whether you’re securing a photovoltaic system or critical DC power infrastructure, the MDN40-DC SPD provides reliable long-term protection.<\/p>\n

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Features<\/h2>\n

\u2714 Type 2 Surge Protection<\/strong> \u2013 Provides secondary defense against transient surges, complementing primary surge protectors (Type 1).
\n\u2714 20kA Nominal Discharge Current (In)<\/strong> \u2013 Handles moderate surges, ensuring equipment protection.
\n\u2714 40kA Maximum Discharge Current (Imax)<\/strong> \u2013 Absorbs large surge events, preventing equipment damage.
\n\u2714 MOV Technology<\/strong> \u2013 Uses Metal Oxide Varistors to clamp excessive voltage and safeguard sensitive components.
\n\u2714 Low Residual Voltage Design<\/strong> \u2013 Minimizes post-surge voltage, reducing the risk to DC circuits.
\n\u2714 Pluggable Design with Thermal Disconnection<\/strong> \u2013 Ensures quick installation, easy maintenance, and automatic thermal cutoff for safety.
\n\u2714 Status Indication (Green\/Red LED)<\/strong> \u2013 Provides clear visual status updates for normal operation and fault detection.
\n\u2714 Remote Signaling Option<\/strong> \u2013 Allows real-time surge monitoring, integrating with DC system management.
\n\u2714 DIN Rail Mountable (35mm)<\/strong> \u2013 Universal mounting for fast and secure installation in electrical cabinets.
\n\u2714 Global Standards Compliance<\/strong> \u2013 Meets IEC 61643-31, EN 61643-31, and GB\/T 18802.31 standards.
\n\u2714 Certified for International Safety<\/strong> \u2013 CE, TUV, UKCA, and CB certified for reliable performance in solar energy and industrial DC applications.<\/p>\n

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Why Choose OOHMAGE MDN40-DC SPD?<\/h3>\n

\u2714 Industry-Leading Surge Protection<\/strong> \u2013 Provides secondary surge protection, reducing system failures caused by voltage fluctuations.
\n\u2714 Trusted Surge Protection Manufacturer<\/strong> \u2013 OOHMAGE is a leading supplier of DC surge protection solutions for solar power systems and industrial applications.
\n\u2714 Bulk Order & Wholesale Availability<\/strong> \u2013 Cost-effective bulk pricing for large-scale energy projects and contractors.
\n\u2714 Globally Certified & Compliant<\/strong> \u2013 Meets IEC 61643-31, CE, TUV, UKCA, and CB standards, ensuring high-quality protection.
\n\u2714 Optimized for Photovoltaic and Industrial DC Systems<\/strong> \u2013 Specially designed for solar power protection, battery storage systems, and DC power circuits.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n

Parameter<\/h2>\n
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Technical Data<\/b><\/div>\n<\/td>\n<\/tr>\n
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Model<\/div>\n<\/td>\n
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MDN40-DC1000<\/div>\n<\/td>\n
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MDN40-DC1200<\/div>\n<\/td>\n
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MDN40-DC1500<\/div>\n<\/td>\n<\/tr>\n
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SPD Type<\/div>\n<\/td>\n
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Type 2<\/div>\n<\/td>\n<\/tr>\n
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Technology<\/div>\n<\/td>\n
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MOV (Metal Oxide Varistors)<\/div>\n<\/td>\n<\/tr>\n
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Max. continuous operating voltage [Ucpv]<\/div>\n<\/td>\n
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1000Vdc<\/div>\n<\/td>\n
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1200Vdc<\/div>\n<\/td>\n
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1500Vdc<\/div>\n<\/td>\n<\/tr>\n
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Nominal discharge curent(8\/20us) [ln]<\/div>\n<\/td>\n
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20kA<\/div>\n<\/td>\n<\/tr>\n
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Max.discharge current (8\/20us) [lmax]<\/div>\n<\/td>\n
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40KA<\/div>\n<\/td>\n<\/tr>\n
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Voltage Protection level [Up]<\/div>\n<\/td>\n
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\u22643.8kV<\/div>\n<\/td>\n
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\u22644.5kV<\/div>\n<\/td>\n
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\u22645.2kV<\/div>\n<\/td>\n<\/tr>\n
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Short-circuit current rating [Iscpv]<\/div>\n<\/td>\n
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25kA<\/div>\n<\/td>\n<\/tr>\n
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Response time [tA]<\/div>\n<\/td>\n
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\u226425ns<\/div>\n<\/td>\n<\/tr>\n
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Thermal Disconnection Device<\/div>\n<\/td>\n
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Insertion<\/div>\n<\/td>\n<\/tr>\n
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Max. Backup Fuse<\/div>\n<\/td>\n
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63A gPV FUSE<\/div>\n<\/td>\n<\/tr>\n
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Mechanical Data<\/b><\/div>\n<\/td>\n<\/tr>\n
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SPD configuration<\/div>\n<\/td>\n
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DC system<\/div>\n<\/td>\n<\/tr>\n
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Plugable<\/div>\n<\/td>\n
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Available<\/div>\n<\/td>\n<\/tr>\n
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Mounting<\/div>\n<\/td>\n
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35mm DIN rail<\/div>\n<\/td>\n<\/tr>\n
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Enclosure Material<\/div>\n<\/td>\n
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Thermoplastic,conform to UL94 V-0<\/div>\n<\/td>\n<\/tr>\n
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0perating Temperature Range<\/div>\n<\/td>\n
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-40\u00b0C…-80\u00b0C<\/div>\n<\/td>\n<\/tr>\n
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Protection rating<\/div>\n<\/td>\n
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IP20<\/div>\n<\/td>\n<\/tr>\n
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Normal\/fault Display<\/div>\n<\/td>\n
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Green \/ Red<\/div>\n<\/td>\n<\/tr>\n
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Remote Signal<\/div>\n<\/td>\n
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Optional<\/div>\n<\/td>\n<\/tr>\n
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Wiring for remote signal<\/div>\n<\/td>\n
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Max.1.5mm solid\/flexible<\/div>\n<\/td>\n<\/tr>\n
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Max.Voltage \/ Current for remote signal<\/div>\n<\/td>\n
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250V\/0.1A;125V\/0.2A;75V\/0.5A<\/div>\n<\/td>\n<\/tr>\n
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Standards<\/div>\n<\/td>\n
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IEC\/EN 61643-31,GB\/T 18802.31<\/div>\n<\/td>\n<\/tr>\n
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Certificate<\/div>\n<\/td>\n
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TUV,CE,UKCA,CB,IEC,RoHS,REACH,CQC<\/div>\n<\/td>\n<\/tr>\n
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Packing Data<\/b><\/div>\n<\/td>\n<\/tr>\n
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Pole<\/div>\n<\/td>\n
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3+0\/3P<\/div>\n<\/td>\n<\/tr>\n
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Weight (1 piece)<\/div>\n<\/td>\n
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400g<\/div>\n<\/td>\n<\/tr>\n
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Package Quantity<\/div>\n<\/td>\n
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48 PCS\/CTN<\/div>\n<\/td>\n<\/tr>\n
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CTN Size<\/div>\n<\/td>\n
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46*30.5*15.9cm<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n

Certification<\/h2>\n

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FAQ<\/h2>\n

What Kind Of Environments Is The Surge Protector Suitable For?<\/h3>\n
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The surge protective devices are rated for IP20 protection, making them suitable for indoor use in environments with low exposure to dust and moisture. They can operate in temperatures from -40\u00b0C to +85\u00b0C, ensuring performance in diverse conditions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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What Is The Response Time Of The Surge Protective Device?<\/h3>\n
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The SPD offers an extremely fast response time of \u226425ns, ensuring your DC systems are protected from instantaneous surges and that the devices respond almost immediately to any surge event.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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What Is The Installation Process For The Surge Protective Device?<\/h3>\n
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The surge protectors are designed for easy installation on a 35mm DIN rail and feature screw terminal wiring for conductors between 2.5\u201325mm\u00b2, simplifying the connection process for both industrial and residential applications.<\/p>\n

How Do The Surge Protectors Protect Against Lightning Strikes?<\/h3>\n<\/div>\n<\/div>\n<\/div>\n
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The SPD has a lightning impulse current rating of up to 12.5kA for 10\/350\u03bcs, which helps protect against lightning strikes and large surges, diverting harmful currents safely away from your electrical equipment.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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What Is The Maximum Voltage The SPD Can Handle?<\/h3>\n
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The SPD can handle a maximum continuous operating voltage of 600Vdc to 1500Vdc, making it suitable for a wide range of solar power systems and other DC applications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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What Is A Type 1+2 Surge Protective Device?<\/h3>\n
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A Type 1+2 SPD provides both direct lightning strike protection (Type 1) and protection from residual and induced surges (Type 2). The OMYH9 series is designed to protect photovoltaic systems and DC electrical systems from both types of surges.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u2714 B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lo\u1ea1i 2<\/strong>\u00a0
\u2714 D\u00f2ng x\u1ea3 danh \u0111\u1ecbnh 20 kA (In)<\/strong>
\u2714 D\u00f2ng x\u1ea3 t\u1ed1i \u0111a (Imax): 40 kA<\/strong>
\u2714 C\u00f4ng ngh\u1ec7 MOV<\/strong>
\u2714 Thi\u1ebft k\u1ebf \u0111i\u1ec7n \u00e1p d\u01b0 th\u1ea5p<\/strong>
\u2714 Thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 th\u00e1o l\u1eafp v\u1edbi c\u01a1 ch\u1ebf ng\u1eaft k\u1ebft n\u1ed1i nhi\u1ec7t<\/strong>
\u2714 Ch\u1ec9 b\u00e1o tr\u1ea1ng th\u00e1i (\u0111\u00e8n LED xanh\/\u0111\u1ecf)<\/strong>
\u2714 T\u00f9y ch\u1ecdn truy\u1ec1n t\u00edn hi\u1ec7u t\u1eeb xa<\/strong>
\u2714 C\u00f3 th\u1ec3 l\u1eafp tr\u00ean thanh DIN (35 mm)<\/strong>
\u2714 Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u<\/strong>
\u2714 \u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u1ec1 an to\u00e0n qu\u1ed1c t\u1ebf<\/strong><\/p>","protected":false},"featured_media":7241,"template":"","meta":{"_acf_changed":false,"rank_math_title":"","rank_math_description":"Protect your DC electrical systems from harmful voltage spikes and transient surges with the OOHMAGE MDN40-DC Type 2 DC SPD Surge Protection Device (SPD).","rank_math_focus_keyword":"DC spd, DC Surge Protection Device, SPD, Type 2 DC Surge Protector, Surge Protection for Solar Power Systems, MOV Surge Protection, DIN Rail DC SPD, Lightning Protection for DC Circuits","_product_sku":"","_product_attributes":[],"_product_faqs":[],"_product_image_gallery":"7242"},"product_cat":[61,52],"product_tag":[],"class_list":["post-7145","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-outdoor-surge-protector","product_cat-dc-surge-protection-device"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/product\/7145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/media\/7241"}],"wp:attachment":[{"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/media?parent=7145"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/product_cat?post=7145"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.oohmage.com\/vi\/wp-json\/wp\/v2\/product_tag?post=7145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}