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We were getting too many nuisance trips on the older ABBs, and I needed something that wouldn't choke on a moderate fault but still clears properly on a dead short—the DAM2 series has the range of breaking capacities (L, M, H) to match, which is basically the reason I ordered it.
It’s a molded case breaker handling form 6A up to 1250A (usually we're on the higher end, 400A or so depending on panel), avaliable in 3P and 4P configurations; the thermal-magnetic trip keeps overload response tight and that electromagnetic coil handles the short-circuit event fast enough for the IEC60947-2 compliance we need on the export side.
You get options like shunt and undervoltage release accessories, which our field guys kept requesting, and this thing doesn't perform well below -5°C—so if you're putting it in an unheated warehouse in January, that's a limitation you need to plan for, not a sales point.
Also, the fixed mounting version (which we order more often than plug-in) uses a standdard footprint that fits our existing enclosures without drilling new holes—a detail most buyers don't ask about but saves hours onsite.
When ordering, we went with the 690V rated version for our motor control centers even though our system is 400V AC, because the higher votage rating means less chance of arc-over during switching, and teh MOQ was 10 units anyway on the 100A frame size (check lead time—they might be 20 days or so from stock).
The MOQ is typically 50 units per model, but we can arrange sample orders of 2-5 units for your testing and certification purposes.
Standard lead time is 15-20 working days after order confirmation, but we can expedite to 10 days for urgent orders with a small rush fee.
Yes, we include a factory test certificate for each batch, and we can provide third-party IEC60947-2 type test reports from an accredited lab upon request.
Absolutely, we can pre-install shunt releases, undervoltage releases, and auxiliary contacts at the factory based on your wiring diagram. Just specify the accessories when ordering.
It can be stored between -25°C to +55°C, and we pack each unit in individual plastic bags with desiccant to prevent moisture damage during long-term storage.
