Siemens 3RW52 480V AC 18.5 kW 3 Phase Screw Fixing IP20 Soft Starter 3RW5215-1AC14

Siemens 3RW5215-1AC14 is a high-performance soft starter designed for 3 phase, 18.5 kW asynchronous motors running at 480V AC. It features a screw fixing mount and IP20 rating for control cabinet installation. This soft starter offers smooth motor starts and stops, effectively reducing electrical and mechanical stresses during operation.

The integrated bypass reduces energy losses and heat dissipation, making the unit energy efficient and maintenance free. The device incorporates intelligent monitoring functions to protect against motor overload and overheating. It allows limiting inrush current to a settable maximum, ensuring stable power supply and drive longevity.

Parameterization is made simple with rotary potentiometers, and the unit supports analog output for real-time motor control feedback. Optional plug-in communication modules are available for connection to PROFINET, PROFIBUS, and Modbus TCP networks, allowing flexible integration into industrial automation systems.

This Siemens 3RW52 soft starter series caters to motors up to 560 kW and 600 V supply, providing versatile versions with screw or spring terminals and multiple control voltage options. The product is well-suited for industrial, manufacturing, HVAC, water treatment, and electrical applications demanding reliable and efficient motor starting solutions.

Enables soft starting and stopping of three-phase asynchronous motors to reduce mechanical stress. Reduces current peaks and supply voltage fluctuations during motor startup. Compact and energy-saving design with integrated bypass for low heat dissipation.

Equipped with intelligent monitoring functions to protect motor and soft starter from overload and overheating. Supports parameterization through rotary potentiometers and offers analog output options. Wide range of communication interfaces including EtherNet/IP and Modbus for flexible control.

Suitable for industrial automation, manufacturing, HVAC, and electrical motor control applications. Constructed to IEC and UL/CSA approvals ensuring global compliance and reliability. Made in Czech Republic with concentrated or compact solution that saves energy.

This Soft Starter is part of Siemens' SIRIUS 3RW52 series, designed with flexibility and ease of use in mind for seamless integration and effective motor management. Browse the Electronics & Electricals category at EnvMart for more premium automation and control gear solutions.