3RT2017-1AB01 Siemens SIRIUS Innovation 3RT2 Contactor, 24 V ac Coil, 3 Pole, 12 A, 5.5 kW, 3NO

Contactors – 3RT2 Range_x000D_ The 3RT2 contactors are climate-proof and are suitable and tested for use worldwide, sizes S00 to S2, up to 37 kW_x000D_ Size S00, up to 7.5 kW_x000D_ Size S0, up to 18.5 kW_x000D_ Size S2, up to 37 kW_x000D_ Screw connection / Spring Clamp_x000D_ Impulse voltage resistance 6 kV_x000D_ Insulation voltage 690 V_x000D_ Real loss power only 4 W_x000D_ Designation K according to DIN 40719 (extendable to IEC 204-2) & IEC 750; Q according to DIN EN 61346-2_x000D_ Note_x000D_ Screw terminals can only be used with screw terminal overloads and spring terminals can only be used with spring terminal overloads._x000D_ Approvals_x000D_ CE, UL, CSA, CCC_x000D_ Siemens SIRIUS Innovation 3-Pole Contactor, 5.5kW, 12A - 3RT2 Series - 3RT2017-1AB01_x000D_ Use this compact contactor from Siemens' SIRIUS Innovation range to effectively switch high-power loads on or off. It can stand alone as a protective device or you can use it with a control relay as a motor starter. The unit is built for heavy-duty applications and can deliver up to 5.5kW of power to industrial motors and switchgear. Thermoplastic housing provides excellent impact resistance in harsh environments and can also serve as insulation, protecting you from electric shocks and enhancing workplace safety. With a mechanical service life of 30 million switching cycles, you can rely on this contactor for long-term performance._x000D_ • Wide operating temperature range of -25°C to +60°C for use in demanding environments_x000D_ • Can be rotated +/-180° on a vertical mounting surface for flexibility_x000D_ • Integrated fuse for effective short-circuit protection_x000D_ • Rated surge voltage of 6kV to handle sudden spikes and ensure electrical safety_x000D_ What could cause failure in a contactor?_x000D_ The major cause of failure in a contactor is contact sticking. This occurs when more current is passed through the component's power contacts than it can carry. With time, this can cause overheating and the contacts may stick as a result.