This Square D 9007CR53N2 heavy duty industrial limit switch with NEMA enclosure for hazardous locations has one normally open (NO) and one normally closed (NC) contact and a light-operating torque rotary head type. The switch has clockwise (CW) and counter clockwise (CCW) operation style. This limit switch is Underwriters Laboratories (UL) listed, Canadian Standards Association (CSA) certified, and European Conformity (CE) marked. Square D limit switches are manufactured by Schneider Electric. Square D brand pressure, float, and limit switches have been synonymous with safety, quality, and reliable performance for over 100 years. First launched by Detroit Fuse and Manufacturing in 1902, the Square D brand and its products continue to earn customer trust today.