Siemens Soft Starter 3RW5217-1AC04, 480V AC, 30 kW, 3 Phase, Screw Mount, IP00

The Siemens Soft Starter 3RW5217-1AC04 delivers advanced soft start and stop control for three-phase asynchronous motors in demanding industrial environments. With a maximum power rating of 30 kW and a supply voltage of up to 480V AC, this soft starter helps minimize current peaks and voltage fluctuations during startup, reducing mechanical and electrical stresses on connected equipment.

This device features a compact design with screw fixing for straightforward installation. Its integrated bypass mechanism reduces cabinet heating and provides energy savings, making it suitable for space-constrained panels.

The IP00 protection rating allows installation in dedicated control cabinets, while the robust Siemens construction offers maintenance-free switching. Intelligent monitoring functions guard against overheating and motor overload, and a remote reset function ensures fast fault clearance from afar.

Parameterization is simple and fast thanks to rotary potentiometer controls, making commissioning efficient for users. Flexible interfacing is supported through major industrial communication protocols such as EtherNet/IP and Modbus, along with optional PROFINET and PROFIBUS modules. The unit is compatible with both analogue output and thermistor motor protection, enhancing integration and safety.

Three-phase control ensures gentle Soft Torque operation, especially beneficial for high motor outputs and inside-delta circuits. SIRIUS 3RW5 soft starters are recognized for offering flexibility, reliability, and energy efficiency in automation and control gear applications.

Up to 30 kW power rating for robust industrial motor control. Supports supply voltages up to 480V AC, 3-phase operation. Compact and maintenance-free with screw terminal mounting. Integrated bypass and remote reset for efficient operation and easy troubleshooting.

Supports multiple communication interfaces for enhanced automation connectivity. Simple commissioning by rotary potentiometer parameterization.

This soft starter is widely used in industrial automation, manufacturing, HVAC systems, water treatment plants, and other sectors requiring reliable motor performance and protection. It is especially suited to applications demanding gentle startups and high operational uptime.

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