Siemens 3RN2010-1CA30 SIRIUS Soft Starter

SIEMENS
January 13, 2026
Category Connection: SIEMENS Spare Parts
Brief: In this video, we provide a practical overview of the Siemens 3RN2010-1CA30 SIRIUS Soft Starter, showing how this thermal overload relay delivers reliable motor protection in industrial settings. You'll see how it integrates into control systems, learn about its adjustable settings for trip class and start-up time, and discover how its built-in diagnostics help prevent motor failures and improve system uptime.
Related Product Features:
  • Provides comprehensive thermal overload protection for motors and electrical systems with a rated current from 0.1 A to 40 A.
  • Features phase failure detection to prevent motor damage from unbalanced power supply conditions.
  • Offers adjustable trip class options including Class 5, 10, 20, and 30 for customized motor protection.
  • Allows for adjustable start-up time settings from 1 to 30 seconds to suit various motor applications.
  • Includes built-in diagnostics and alarm functions for easy monitoring and quick issue resolution.
  • Designed for seamless integration with Siemens products like SIMATIC controllers and TIA Portal software.
  • Compact design ensures easy installation and integration into existing industrial control panels.
  • Rated for voltages up to 690 V AC, ensuring reliable operation in diverse industrial environments.
FAQs:
  • What is the primary function of the Siemens 3RN2010-1CA30 relay?
    The Siemens 3RN2010-1CA30 is a thermal overload relay designed to provide comprehensive protection for three-phase induction motors, safeguarding them against overloads, phase failures, and other electrical faults.
  • Can the trip class and start-up time be adjusted on this relay?
    Yes, the 3RN2010-1CA30 offers adjustable trip class options (Class 5, 10, 20, 30) and allows you to set the start-up time from 1 to 30 seconds, providing flexibility for different motor sizes and applications.
  • Is this relay compatible with other Siemens automation products?
    Absolutely. The 3RN2010-1CA30 is designed for easy integration with other Siemens products, such as SIMATIC controllers and the TIA Portal software, ensuring seamless operation within larger automation systems.
  • What is the rated voltage and current range for this motor protection relay?
    The Siemens 3RN2010-1CA30 is rated for voltages up to 690 V AC and supports a wide current range from 0.1 A to 40 A, making it suitable for a variety of industrial motor protection needs.