Siemens 3RT2, 50 A 110V ac

Need to rein in high current? Pick this contactor from Siemens to switch electric circuits on and off. It's a 3-pole contactor, so you can use it to switch three separate circuits, controlling the power supply to different types of loads. Thanks to a mechanical service life of 10 million switching cycles, this unit performs efficiently over long periods. A wide operating temperature range between -25°C and +60°C means it's suitable for tough industrial conditions. This component is commonly found in large-scale manufacturing to control power to heavy-plant machinery such as conveyors, mixers and cranes.

• IP20 rating indicates it's finger-safe and shielded from objects bigger than 12mm

Yes, you can mount it easily by snapping it onto a standard 35mm DIN rail.

It has compact dimensions of 114 (H) x 55 (W) x 130mm (D), so it's handy for narrow setups.