The depth behind the panel can be as little as 46.4 mm for 1 to 4 contacts (with terminal cover) for illuminated and non-illuminated units IDEC’s original “Safe break action” ensures that the NC contacts open when the contact block is detached from the operator 1 to 4NC main contacts and 1 or 2NO monitor contacts Push-to-lock, Pull or Turn-to-reset operator Models with mechanical indicator on the operator body show the normal/latched status Safety lock mechanism (IEC60947-5-5, 6.2) Direct opening action mechanism Specifications Color Red Contact Configuration 2NO-2NC Enclosure Type IP65 Lamp Type LED Operator Type Mushroom Head Series XW Series Size 40 mm Dia Terminal Type Screw Type Standard