Velleman-3A-Power-Supply-Kit-Velleman-K7203-p-This-Velleman-Power-Supply-Kit-is-meant-as-an-auxiliary-or-as-a-permanent-power-supply-for-all-common-Velleman-kits-based-on-a-stabilised-DC-voltage-between-3-&-30V-provided-that-the-consumption-does-not-exceed-3A-but-can-also-be-used-for-other-purposes-By-replacing-the-trimmer-with-a-potentiometer-it-can-even-be-used-as-an-adjustable-power-supply-unit-p-Velleman-K7203-3V-to-30V-3A-Power-Supply-Electronics-Kit