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We had a guy last month running 200A continuous through a battery bank and his old terminal blocks were literally melting—he switched to these and the temp drop was immediate, the silver plating handles the heat way better than bare copper in that scenario.
It's rated at 250A continuous with PA66 housing that's UL94 V-0 rated, so it won't propagate flame if something goes wrong, and the copper contacts get a silver plating layer that's about 2-3 microns thick—gives you lower contact resistnce than most standard blocks (usually 0.5mOhm or less) and teh screw fixation holds tight even under vibration, we've tested it on a few off-grid setups.
For energy storage or power distribution it's pretty much a direct fit, but I wouldn't use it in marine environments without extra sealing since the enviornmental protection is just general—not IP-rated, so salt spray will eventually get to it, and square design saves space but you'll need a 10mm drill bit for the mounting holes.
MOQ is 50 units or so, lead time about 20 days, and our company can do custom labeling on the housing if you need it—just send the artwork.
We suggest tightening the screws to around 4-5 Nm. Going beyond that could damage the PA66 housing or the silver-plated contacts.
Our MOQ is typically 500 pieces for standard orders, but we can send up to 5 samples for evaluation. Lead time on samples is about 5-7 working days.
The copper contacts get a proper silver plating, not just a flash. It's thick enough to handle 250A continuous without tarnishing issues.
Yes, they're AC/DC compatible. The main limit is the 250A current rating—voltage-wise, they work fine up to 600V in typical battery setups.
We pack them in anti-static bags, 50 pieces per box. Store them in a cool, dry place below 40°C to keep the silver plating from oxidizing.
