The Siemens 3RK1301 Series Direct-On-Line (DOL) Starter is a compact and robust motor control solution designed for seamless integration with the ET 200S distributed I/O system. This electromechanical starter is expandable and features an adjustable setting range of 1.1 to 1.6 A AC-3, suitable for motors with an operating power of 0.55 kW at 400 V. Its design facilitates on-site operation and includes a motor brake output for enhanced control.
Engineered for reliability, the unit boasts a Class 10 trip class and is equipped with short circuit protection to ensure stable performance in demanding industrial environments. The starter's electromechanical switching contact is built to withstand the rigours of frequent use, with a mechanical service life of 100,000 switching cycles.
The device supports bus communication and is compatible with PROFIBUS DP and PROFINET protocols, allowing for easy integration into existing automation networks. The interface design is user-friendly, utilising a backplane bus for communication transmission.
Constructed with safety in mind, the starter is finger-safe and carries an IP20 protection class rating, ensuring protection against solid objects and a degree of touch safety for personnel. It operates within a supply voltage range of 20.4 to 28.8 V DC and can handle ambient operating temperatures from 0 to 60°C, making it versatile for various industrial settings.
The Siemens 3RK1301 Series DOL Starter is a testament to Siemens' commitment to quality and efficiency, providing a reliable motor control solution that meets the needs of modern industrial applications.