This is a Mean Well SD-350B-12 isolated DC-DC converter rated for a wide-range DC input of 19–36V at 16A, delivering a regulated 12V DC output at up to 27.5A (approximately 350W). It features a built-in cooling fan, screw terminal connections, and output voltage trim adjustment, making it well suited for vehicle-mounted or battery-powered applications. The unit carries CE and UKCA certification and is housed in a compact metal enclosure. Cosmetically it shows typical workshop handling marks but is structurally sound with no missing components.
| Equipment type | DC-DC Converter / Switch Mode Power Supply |
| Manufacturer | Mean Well Enterprises Co., Ltd. |
| Model number | SD-350B-12 |
| Rated specs | Input: DC 19~36V, 16A; Output: DC 12V, 27.5A (330W) |
| Condition | Enclosure shows moderate surface scratching and scuff marks on the top cover, consistent with workshop handling. No visible dents, corrosion, or structural damage. Output terminal block appears intact with all terminals present. Fan grille appears undamaged. Overall appears serviceable. |
⚠ Shipping is not included in the listed price.
This is second-hand equipment being sold as-is. Local pickup is available at no charge. For courier/freight delivery, please contact us for a shipping quote before completing your order — calvin.coetzee@batterypowered.co.za / +27 72 370 9080.
This is second-hand equipment being sold as-is. Local pickup is available at no charge. For courier/freight delivery, please contact us for a shipping quote before completing your order — calvin.coetzee@batterypowered.co.za / +27 72 370 9080.
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