Siemens Selector Switch, 3 Positions, Momentary Actuation Type - SIRIUS ACT Series - 3SU1100-2BM60-1NA0 To control machines with just a flick of your wrist, pick this selector switch from Siemens. It has three positions marked 'I', 'O' and 'II', giving a clear indicator of the state of the circuit. To select the 'I' or 'II' options, rotate the handle 45°, clockwise or anticlockwise respectively. It's a momentary switch, so it only remains there for as long as you hold it, before automatically returning to the 'O' position. This kind of switch is suitable for the precise management of potentially dangerous industrial applications. Features & Benefits • IP20-rated housing offers protection against dust and objects bigger than 12mm
• Wide operating temperature range between -25°C and +70°C to withstand harsh conditions
• Made of two parts that click together through the hole in your panel, making installation easy How long can I expect this switch to last? It has a mechanical switching life of 1,000,000 cycles, so you can count on it for a long service life. What size is this unit? The switch measures 78.5 (L) x 40 (H) x 30mm (W), making it a compact choice for panels where space is tight.