Block-VCM-PCB-Mount-Dual-Output-Transformers-Block-VCM-5-0-2-9-p-The-Block-VCM-PCB-Mount-Transformer-5VA-2-x-9V-2-x-555m A-is-ideal-for-adjustment-of-the-voltage-&-simple-electrical-isolation-while-also-acting-as-a-safety-isolating-transformer-for-the-safe-electrical-isolation-of-the-input-&-output-sides-Suitable-for-creating-SELV-&-PELV-circuits-because-of-the-limit-on-the-output-voltage-p-Designed-with-excellent-size-to-power-ratio-with-mounting-tabs-on-side-of-housing-this-high