Siemens SIRIUS 3RB24 Solid-State User Manual
Summary
Upgrade industrial motor protection with this advanced SIRIUS 3RB24 solid-state overload relay. Featuring complete starter functionality for Direct-on-line, reversing, and star-delta configurations, it offers comprehensive diagnostics like overload and ground faults. The manual provides detailed insights into its IO-Link communication capabilities, allowing seamless integration into modern PLC automation environments. Ideal for systems integrators and engineers requiring maximum flexibility, reliable motor protection up to 820A, and advanced remote monitoring features.
Page 1 Text Content
Integrated Motor Protection for High-Feature Applications
SIRIUS 3RB24 Solid-State Overload Relays with Complete Starter Functionality via IO-Link
SIRIUS Overload Relays www.siemens.com/sirius
Page Summary Contents For Siemens SIRIUS 3RB24 Solid-State User Manual
Manual Details
| Brand | Siemens |
|---|---|
| Pages | 6 |
| File Size | 615.80 KB |
| Published | May 29, 2026 |
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Frequently Asked Questions
What is the maximum current rating when using a starter combination?
The IO-Link starter combination can cover currents up to 820 A.
How does the SIRIUS 3RB24 provide diagnostic information?
It offers read-out of comprehensive diagnostic information such as overload, wire break, and ground faults. It also has LEDs for specific trip events (ground fault, thermistor, overload).
Can I set parameters on site or remotely?
Overload function parameters must be assigned exclusively on the device; however, an optional panel allows for easy on-site control and monitoring.
What communication connection standard does this relay use?
It supports communication via IO-Link, enabling integration with superior control systems like PROFIBUS or PROFINET/Ethernet.