Eaton contact blocks feature enclosed silver contacts with pointed reliability nibsTo ensure reliable switching, these nibs bite through oxide, which can form on silver contacts, eliminating the need for expensive logic level blocks for most applicationsDrainage holes prevent buildup of liquid inside the operator which can prevent operation in freezing environmentsGrounding nibs bit through paint and other coatings to provide secure groundEarth terminal provides additional grounding point and allows for daisy chain groundingReliability nibs improve contact reliability even under dry circuit and fine dust conditionsLeft only key removal position60 deg throwFront of panel drainage holes