We've been shipping these DC breakers for solar setups a while now, and what it does is handle the high-voltage DC side of things pretty well — up to 1000V in 3-pole or 4-pole configurations, which most buyers don't realize until they check the specs against their string voltages.

The 10kA breaking capasity is actually the key number here, because with larger arrays you can get some serious fault current potential; we usually recommend the 10kA version for commercial-scale PV systems where the short-circuit current might exceed 6kA.

Thermal magnetic tripping with B or C curves gives you flexibility depending on the load type, but it's not really suited for sensitive electronics or constant inrush loads like motor drives — it's a workhorse breaker for solar combiner boxes and battery circuits.
You'll see the AS 60947.3 and IEC 60947.2 certifications right on the side of the unit, and we batch-test every run with HPLC-grade verification on the trip characteristics, so teh tolerances are tighter than what you'd get form a generic import.

Lead time is usually 20 days or so for standerd quantities up to 200 units, but our company can do custom labeling if you need your branding on the transparent cover — just let us know the logo size so it doesn't obscure the ON-OFF indicator.

One thing we've noticed from handling these is the IP40 rating on the body means it's fine for indoor panels but you'll want a weatherproof enclosure for outdoor combiner boxes, since wiring ports are only IP20.
The MOQ for the EDB1-63 series is typically 100 units per pole configuration. For a 4P unit, that means you'd be looking at 100 pieces, but we can be flexible on smaller trial orders—just ask your sales contact.
Yes, we include copies of both certifications with every order. Just let your account manager know you need them, and we'll make sure they're in the packing list.
For 500 units of the 2P EDB1-63, lead time is typically 15-20 working days. If you need it faster, we can sometimes rush it to 10-12 days for a small surcharge.
Not exactly. The 10kA Icu is valid for the higher current ratings (32A-63A) at 1000V DC. For lower currents like 10A-20A, the breaking capacity is 6kA at that voltage. Check the datasheet for the full curve.
Store them in a clean, dry place within the -40°C to 85°C range. Keep them in their original packaging to avoid dust or moisture, and don't stack heavy items on top—those DIN rail clips are sturdy but not indestructible.
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Highly impressed with the entire experience. Handling was flawless from start to finish. The shipping was remarkably fast and the item arrived well-packaged and in perfect condition. The build quality of the product itself is exceptional; it feels robust and precisely manufactured. Customer service was also proactive and helpful when I had a pre-purchase inquiry. A completely smooth and satisfactory transaction.
Fantastic experience from start to finish. The shipping was incredibly fast, arriving several days ahead of the estimated schedule. The packaging was secure and professional, ensuring the product was perfectly protected during transit. Regarding quality, the circuit breaker feels exceptionally solid and well-made. The construction is robust, and all the terminals and components look precise and of high-grade material. It gives a strong impression of durability and reliability, exactly what one needs for critical system protection. Customer service was also top-notch. I had a pre-sales question about compatibility, and the response was prompt, detailed, and very helpful. The entire transaction was smooth and hassle-free. I am thoroughly satisfied with this purchase and would confidently recommend this seller and product based on the excellent logistics, apparent superior quality, and outstanding support provided.
A fantastic experience from start to finish. The shipping was incredibly fast, arriving well ahead of the estimated delivery date. The packaging was secure and professional, ensuring the product was perfectly protected during transit. Regarding the item itself, the build quality is immediately apparent; it feels robust, well-constructed, and precisely engineered. The finish is excellent, with clear, legible markings. Customer service was also exemplary—responsive, polite, and very helpful with a pre-purchase inquiry. This level of attention to detail in logistics, product integrity, and support is commendable and makes the entire purchasing process seamless and trustworthy. Absolutely satisfied with the transaction and would not hesitate to order again based on this outstanding overall service.
Hats off for the incredibly swift delivery! The package arrived well ahead of the estimated schedule, which was a fantastic surprise. Regarding the product itself, the build quality feels exceptionally robust and precise; it has a substantial, reliable heft to it. The service experience was equally commendable, with clear communication throughout the process. Everything was packaged securely to prevent any damage in transit. This level of attention to detail in logistics, product construction, and customer support is truly impressive and makes the entire purchasing process seamless and trustworthy. Very satisfied with this transaction overall.
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