The Siemens 3RT1056-6AF368K is a high-performance SIRIUS 3RT1 power contactor engineered for reliable switching of motors and power circuits in demanding industrial environments. Equipped with mirror contact elements, this contactor is designed to support safety-related control systems by providing dependable auxiliary contact status in accordance with IEC standards. It is ideal for motor starters, industrial machinery, power distribution systems, and automation applications.
The contactor features an AC/DC electronic coil, allowing operation over a wide control voltage range while reducing power consumption and simplifying inventory management. Its screw terminal connections ensure secure conductor termination, quick installation, and easy maintenance. The robust construction delivers excellent electrical endurance, high switching performance, and long mechanical service life.
Manufactured to Siemens' SIRIUS quality standards, the 3RT1056-6AF368K is suitable for switching three-phase motors, resistive loads, and other industrial electrical equipment. Its compact design allows easy integration into motor control centers (MCCs), control panels, OEM machinery, HVAC systems, pumps, compressors, conveyors, and process automation installations.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 3RT1056-6AF368K |
| Product Series | SIRIUS 3RT1 |
| Product Type | Power Contactor |
| Contact Type | Mirror Contact Elements |
| Main Contacts | 3-Pole |
| Coil Type | AC/DC Electronic Coil |
| Connection Type | Screw Terminals |
| Mounting | DIN Rail or Panel Mount |
| Rated Operational Voltage | Up to 690 V AC |
| Rated Insulation Voltage | 1000 V |
| Mechanical Life | Up to 10 Million Operating Cycles |
| Degree of Protection | IP20 (Front) |
| Standards | IEC 60947-4-1 |
| Application | Motor Switching & Power Control |
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