The RE 6909 series of three-stage enabling switches from DOLD are a new series of switch providing unparalleled ergonomics, with function keys, start button and the enabling switch all reachable with one hand. Options are available for rotary keyswitches, emergency stop buttons, and other operating elements to suit your needs. IP65 environmental shielding and robust cabling.
3 stage enabling switch – 2NO contacts active only in the second (middle) stage
Emergency stop – 2NC contacts
Additional elements (start button, keyswitch..) – 1NO contact per element