LS45M51B11 is a 40 mm wide, standard reinforced Limit Switch made of zinc alloy material (Zamak), with 4 mounting holes at the top and bottom, 1 1/2'' NPT cable entry on the bottom, adjustable plastic roller lever (Ø22 mm) actuator and 1 N.O + 1 N.C snap action (Zb type) contacts Technical Action Type of the Contact Element (acc. to IEC 60947-5-1): Snap action contacts Actuation Speed: acc. to IEC 60947-5-1 Max. 1.5 m/s Actuation Torque: acc. to IEC 60947-5-1 Min. 0.15 N·m Actuator Type: addjustable Ø 22 mm polyamide roller lever Angular Head Adjustment: adjustable head every 90° Angular Lever Adjustment: 9° in 9° B10d Value: Operations 50 Millions Climatic Withstand: according to IEC 68-2-3 and salty mist according to IEC 68-2-11 Conventional Free-air Thermal Current (Ith): acc. to IEC 60947-5-1, T = 40 °C 10 A Connecting Capacity: Bar AWG 20 ... AWG 14 mm² Bar 0.5 ... 2.5 mm² Consistency (Measured over 1 Million Operations): 0.05 mm Contact Element Form (acc. to IEC 60947-5-1): Zb Connecting Terminals (delivered in open position): M3.5 (+,-) pozidriv 2 screw with cable clamp Degree of Protection: acc. to IEC 60529 IP66 Electrical Shock Protection acc. to IEC 536: Class I Housing Material: Metal Maximum Electrical Switching Frequency: 3600 cycles per hour (AC-15) 3600 cycles per hour (DC-13) 3600 cycles per hour Maximum Mounted Auxiliary Contacts: 1 NO, 1 NC Mechanical Durability: 0 cycle Mounting Type: 40 mm (EN 50041) Mounting by Screws (not supplied): 2 or 4 x M5 screws Movement to be Detected: 30° Cam Translation Movement Number of Auxiliary Contacts NC: 1 Number of Auxiliary Contacts NO: 1 Number and Type of Bottom Cable Glands: 1/2 NPT cable gland Pilot Duty UL/CSA: A600 Q600 Positive Opening Operation of NC Contact(s): No Rated Impulse Withstand Voltage (Uimp): 6 kV Rated Operational Current AC-15 (Ie): (230 V AC) 3.1 A (400 V) NC 4 (24 V) 10 A (130 V) 5.5 A (240 V) 3 A Rated Frequency (f): Supply Circuit 50 / 60 Hz Rated Insulation Voltage (Ui): acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 500 V acc. to UL/CSA 600 V Rated Operational Current DC-13 (Ie): (24 V) 6 A (110 V) 0.6 A (125 V) 0.55 A (250 V) 0.4 A Resistance Between Contacts: 25 E45 Short-Circuit Protective Devices: gG Type Fuses 10 A Terminal Marking: according to EN 50013 Terminal for Protective Conductor: M 3.5 (+,-) pozidriv 2 screw with cable clamp Environmental Ambient Air Temperature: Operation -25 ... +70 °C Storage -30 ... +80 °C Resistance to Shock acc. to IEC 60068-2-27: Half-sine Pulse for 11 ms, No Change in Contact Position 50 m/s² Resistance to Vibrations: No Change in Position of Contacts Greater than 100 µs: 25g 10 ... 500 Hz