{"product_id":"the-array-guard-dc-solar-mini-breaker","title":"The Array Guard | TOMZN 2P DC 1000V Solar Mini Circuit Breaker","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003e\u003cstrong\u003eEvery solar array is a promise of free energy, and every promise needs a circuit that knows when to say stop.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Array Guard is a TOMZN 2-pole DC miniature circuit breaker rated for 1000V, built specifically for the direct-current side of solar installations. Between the panels and the inverter, between the battery bank and the load, it sits as the quiet safety gate that isolates a fault before it becomes a fire.\u003c\/p\u003e\n\u003cp\u003eChoose the amperage that matches your string design, from 3A up to 40A, and mount it into your distribution box alongside the rest of the system. CE certification and the TOMZN build standard give it the same engineering language as the inverters and charge controllers it protects.\u003c\/p\u003e\n\u003cp\u003eDC current is harder to interrupt than AC because it does not cross zero naturally; an arc on a solar string can sustain itself and keep burning. That is why a breaker rated for the DC side is not a nicety but a requirement, and why the voltage rating matters as much as the amperage. A 1000V DC rating means this breaker interrupts high-voltage strings cleanly and gives you a visible, throwable disconnect for maintenance that respects the difference between day and night on the array.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePower is generous. Protection is deliberate. Install both.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003chr style=\"margin:20px 0;border:0;border-top:1px solid #eee;\"\u003e\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ 2-pole DC breaker rated for 1000V solar applications\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Multiple amperage options from 3A to 40A to match string design\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Isolates panels, batteries, and loads for safe maintenance\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ CE certified for professional and DIY installations\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Compact mini form factor fits standard distribution boards\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Clear trip indication for instant fault visibility\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ DIN-rail mount for fast integration into any panel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 2P DC mini circuit breaker\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 1000V DC\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eAmperage Options:\u003c\/strong\u003e 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e TOB7Z-63\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TOMZN\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Solar panel arrays, battery banks, DC loads\u003c\/li\u003e\n\u003cli style=\"padding:8px 0;border-bottom:1px solid #eee;\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eWhere It Earns Its Place\u003c\/h3\u003e\n\u003cp\u003eOff-grid homeowners use them to protect the DC runs between panels, batteries, and inverters, isolating sections for maintenance without killing the whole system. Installers spec them into distribution boxes where a single throw must safely disconnect a string. Van and boat builders trust them to bring the same discipline to 12V and 48V house systems that mains wiring has always had. Even a small balcony array benefits, because the breaker is what makes a rooftop safe to service on a sunny afternoon instead of a gamble.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eQuestions We Hear Most\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do solar systems need DC breakers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDC arcs do not self-extinguish the way AC arcs do, so a fault on a solar string can sustain a dangerous arc. A properly rated DC breaker interrupts that current quickly and safely, protecting both the equipment and the installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What amperage should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatch the breaker to your string's maximum current with a safety margin: the breaker rating should be higher than the normal operating current but lower than the cable's rating. A 20A breaker suits a typical 10A string; larger arrays step up accordingly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for a battery bank?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 2-pole DC rating works for battery-to-inverter and battery-to-load circuits. Many off-grid builders keep a spare as a master disconnect between the bank and the inverter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is 1000V rating overkill for small systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA higher voltage rating is never a problem; it means the breaker can safely interrupt higher-voltage strings if you expand the array later. It also leaves headroom for 48V and 96V systems that carry far less than 1000V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I mount it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt snaps onto a standard DIN rail inside your distribution box, just like an AC breaker. Wire the DC positive and negative through the poles, with polarity as marked, and test the trip mechanism after installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for DIY installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, with basic electrical knowledge. The DIN-rail mount and marked polarity make it straightforward, but any permanent wiring should follow your local electrical code and, where required, be checked by a qualified electrician.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long does shipping take?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrders are dispatched within 1-2 business days from our fulfillment network. Delivery times vary by destination, typically 7-15 business days to most regions, with tracking provided once your order ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe stand behind every product we sell. If an item arrives damaged or does not match its description, contact our support team within 30 days of delivery and we will arrange a replacement or refund promptly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this product new and authentic?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Every item in our catalog is sourced directly from vetted manufacturers and inspected before dispatch. We do not sell refurbished units or factory seconds, and the product you receive matches the listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-promise\"\u003e\n\u003ch3\u003eThe EastSupplier Promise\u003c\/h3\u003e\n\u003cp\u003eEvery product on EastSupplier is sourced from vetted manufacturers, inspected before dispatch, and backed by responsive customer support. We built our supply chain on the belief that an order should feel as reliable as the goods it delivers: clear tracking, honest descriptions, and a team that answers when you write.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top:30px;text-align:center;\"\u003e\n\u003ch3\u003eProduct Gallery\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hdfa9ad35c6164589800c08646828c6e6f.webp?v=1726533568\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H1c2103fcdd6a4a0ca9889f1c3bfaa827b.webp?v=1726533569\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hb7c76fc56983407b9c3b3b96ab09a5f0d.webp?v=1726533568\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hff1e717c43464962addcee78b23b1cfep.webp?v=1726533568\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H6ab5fe76e361407ba4182065d91d51a6m.webp?v=1726533569\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/H749daf2929bc4e5fb52adc3e2da344aek.webp?v=1726533569\" alt=\"Product photo\" style=\"max-width:100%;height:auto;margin:8px 0;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"The Array Guard | TOMZN 2P DC 1000V Solar Mini Circuit Breaker\",\n  \"image\": [\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hdfa9ad35c6164589800c08646828c6e6f.webp?v=1726533568\"],\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"EastSupplier\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/eastsupplier.com\/products\/the-array-guard-dc-solar-mini-breaker\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"15.29\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n  },\n  \"aggregateRating\": {\n    \"@type\": \"AggregateRating\",\n    \"ratingValue\": \"4.7\",\n    \"reviewCount\": \"6\"\n  }\n}\n\u003c\/script\u003e","brand":"East Supplier Platform","offers":[{"title":"3A","offer_id":46315545788639,"sku":"4000529762819-3A","price":16.14,"currency_code":"USD","in_stock":true},{"title":"6A","offer_id":46315545854175,"sku":"4000529762819-6A","price":16.59,"currency_code":"USD","in_stock":true},{"title":"10A","offer_id":46315545886943,"sku":"4000529762819-10A","price":16.76,"currency_code":"USD","in_stock":true},{"title":"50A","offer_id":46315545985247,"sku":"4000529762819-50A","price":17.39,"currency_code":"USD","in_stock":true},{"title":"20A","offer_id":46315546149087,"sku":"4000529762819-20A","price":15.29,"currency_code":"USD","in_stock":true},{"title":"25A","offer_id":46315546181855,"sku":"4000529762819-25A","price":16.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Hdfa9ad35c6164589800c08646828c6e6f.webp?v=1726533568","url":"https:\/\/eastsupplier.com\/pt-it\/products\/the-array-guard-dc-solar-mini-breaker","provider":"EastSupplier Platform","version":"1.0","type":"link"}