The ABB LS45M51B11 Limit Switch is a robust and reliable solution for switching strong currents. Designed for durability, it features a zinc alloy (Zamak) construction and is immune to electromagnetic disturbances. With visible operation and precise operating points, this switch ensures accurate performance. It offers easy use with electrically separated contacts and is built to withstand demanding environments, meeting NEMA 4X/IP66 enclosure standards..The ABB LS45M51B11 is a standard reinforced limit switch with a 40 mm width and a zinc alloy (Zamak) material construction. It features an adjustable plastic roller lever actuator (Ø22 mm) and 1 Normally Open (N.O.) + 1 Normally Closed (N.C.) snap action (Zb type) contacts. The switch operates with a voltage range of 24 to 400 V AC and 24 to 250 V DC, with amperage ratings varying by voltage. It has a switching frequency of 3600 cycles per hour and an operating temperature range of -25 to 70 °C, with a storage temperature range of -30 to 80 °C. The degree of protection is IP66. Its dimensions are 40 mm in width, 138 mm in height, and 60 mm in depth, with a net weight of 0.285 kg.