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We've been supplying these for a while now, and the EDB1-63 series actually started out as a response to a lot of requests we were getting for DC-rated breakers that didn't fall apart after a few years in a solar combiner box.
For residential or commercial power distribution, the 1P to 4P pole options give you flexibility—you can use a 2P for a single string in a PV array or a 4P for a three-phase subpanel, and the 10A to 63A rated current range covers most loads you'd typically see, though the 6kA or 10kA breaking capacty is really what matters if you're dealing with high-fault scenarios in a commercail setup.
The B or C tripping curve is pretty much standdard for these appliction, and most buyers go with the C curve for motor startup in commercial panels, but that the 2000-cycle electrical life is a bit lower than some indutrial-grade breakers—so for heavy daily switching, you might want to look elsewhere.
We hold UL, TUV, CB, CE, and SAA certifications, which basically means you don't have to worry about compliance with AS 60947.3:2018 or IEC 60947.2:2015, and our company can usually ship within 20 days or so, but confirm lead time if you need a specific pole configuration or a batch of 500 units or more.
terminal capacity is 2.5-25mm², so you'll need to check your wire gauge before ordering, and the IP40 rating (wiring port IP20) means it's fine for indoor panels but not for direct outdoor exposure—something a lot of people miss until they install it in a damp garage.
Also, the 18mm width per pole is standard for DIN rail mounting, so it'll fit most residential panels without modification, and we include a COA with every shipment that shows the actual test data for that batch.
For customized 1P-4P MCBs, our MOQ is 100 pieces per pole configuration. If you need a mix, let us know the breakdown and we can adjust.
Yes, we have UL, TUV, CB, CE, and SAA certificates on file. I can share the digital copies right after you place a sample order.
Go with B curve if you're protecting lighting or resistive loads, since it trips at 3-5x rated current. C curve trips at 5-10x, so it's better for motor or transformer circuits where startup surges are higher.
Standard lead time is 15-20 working days after design approval. Custom printing adds about 3 days for setup, but we can rush it to 12 days if needed.
Exactly. The main body is dust-protected (IP40), but the terminal area is only IP20, so if you're installing in a dusty workshop, add a cover or enclosure over the wiring ports to keep debris out.
