| | | Omron's D4BN, D4N and D4NR are general-purpose limit switches with a range of actuators for object over-travel and guard detection. Typical application areas for these switches include elevators, escalators and conveyors. Enclosed in a metal housing, the miniaturised D4F features up to 4 contacts and occupies a minimum | | of space. The switches are equipped with direct opening contacts as defined in EN 60947-5-1 'low voltage switch-gear', and the D4NR is equipped with a manual reset, which is ideal for situations where a visual check of the problem is required prior to resetting the switch. | | |