Product Description
The ABB 1SVR011705R2100 is a high-performance, three-phase monitoring relay designed for comprehensive protection of electrical equipment. This relay provides precise and reliable monitoring of phase sequence, phase loss, undervoltage, and overvoltage conditions, ensuring immediate detection of power supply anomalies. With adjustable threshold settings and time delays, the 1SVR011705R2100 offers flexible adaptation to diverse application requirements, preventing damage to motors, pumps, and other sensitive loads. Its robust construction and adherence to stringent quality standards guarantee dependable operation in demanding industrial environments, contributing to enhanced system uptime and reduced maintenance costs. This monitoring relay is an essential component for safeguarding critical assets and maintaining operational efficiency.
Is Your Device Showing These Signs?
ABB 1SVR011705R2100, a soft starter, commonly experiences issues such as blown thyristors due to overcurrent or voltage spikes, requiring replacement. Parameter corruption in the EEPROM necessitates reprogramming with the correct configuration. Communication failures on the Modbus RTU or other communication protocols demand troubleshooting of cabling, addressing, and baud rate settings. Overheating caused by inadequate cooling or excessive load leads to thermal trips; verify fan operation and reduce load if necessary. Faulty bypass contactors prevent the motor from running at full speed after the start sequence, mandating contactor inspection and potential replacement.
Technical specifications
The ABB 1SVR011705R2100 is a high-performance, three-phase monitoring relay designed for comprehensive protection of electrical equipment against voltage and phase anomalies. This device offers precise monitoring of undervoltage, overvoltage, phase sequence, phase loss, and asymmetry, ensuring immediate detection of irregularities in the power supply. It features independently adjustable thresholds and time delays for each parameter, enabling customized protection strategies tailored to specific application requirements. The relay provides clear status indication via LED indicators and includes a robust output relay for triggering external alarms or initiating protective actions, such as disconnecting the load. It supports a wide range of operating voltages and is engineered for reliable operation in demanding industrial environments, conforming to stringent EMC and safety standards.
Our Repair Process for the
1SVR011705R2100
Our repair process for the ABB 1SVR011705R2100 soft starter begins with a thorough diagnostic assessment to pinpoint the failure. If blown thyristors are identified, they are replaced with new, appropriately rated components. Parameter corruption in the EEPROM requires immediate reprogramming using the correct configuration file. Communication failures are addressed by meticulously inspecting cabling, verifying addressing, and confirming baud rate settings. Overheating issues necessitate an examination of the cooling system, including fan operation, and a reduction of the load if it exceeds the starter's capacity. Faulty bypass contactors are inspected, and replacement is performed if they are found to be defective, ensuring proper motor operation at full speed.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.

Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.

















