Edu-Lab-Laboratory-Bench-Power-Supply-0-to-15V-RVFM-605-055-Output-voltage-selected-by-up-down-push-switches-in-1V-steps-up-to-15V-Voltage-can-be-switched-safely-at-full-load-without-serious-contact-wear-Output-protection-is-handled-by-a-30A-heavy-duty-relay-The-outputs-are-opened-momentarily-controlled-by-microprocessor-between-switching-times-Fully-protected-secondary-by-high-speed-microprocessor-controlled-&-resettable-electronic-trip-Over-current-is-measured-&-timed-for-cases