Appleton Electric hazardous location selector switch control stations regulate On / Off of different circuits by rotating handles. They are factory sealed to prevent damage from harsh conditions and feature malleable iron construction with aluminium covers to resist corrosion. They are used in areas with high ingress of highly combustible gases, dust, vapours or other contaminants. These UL listed control stations offer maintained action to prevent accidental injuries and are equipped with 1NO (normally open) or 1NC (normally closed) auxiliary contact switches to provide or impede current flow paths, respectively. Choose from a broad range of these selector switches, available in dead-end hub edges of 3/4 and 1 inch.