Enclosed silver contacts with reliability nibsDiaphragm seals with drainage holesReliability nibs improve contact reliability even under dry circuit and fine dust conditionsDrainage 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 ground
EATON Cutler-Hammer Series 10250T5B63-1X Assembled Heavy Duty Non-Illuminated Push-Pull Switch, 40 mm, 1NO-1NC Contact, Push/Pull Operator, Red