Same-day processing! Local pickup & overnight shipping available. (Order by 5pm ET, M-F)
Product Description
The Siemens 3RW4073-6BB34 soft starter is a robust and reliable solution for three-phase asynchronous motors, providing smooth starting and stopping to minimize mechanical stress and current peaks. This device offers comprehensive motor protection features, including overload, phase failure, and locked rotor protection, ensuring operational safety and extending motor lifespan. The 3RW4073-6BB34 features adjustable voltage ramps and current limiting, allowing for optimized starting performance tailored to specific application requirements. Integrated monitoring and diagnostics provide valuable insights into motor performance and system health, facilitating proactive maintenance and minimizing downtime. This soft starter is designed for ease of installation and commissioning, with a user-friendly interface and clear parameter settings, making it a dependable choice for demanding industrial environments.
Is Your Device Showing These Signs?
The Siemens 3RW4073-6BB34 soft starter commonly experiences issues related to thermal overload trips due to improper motor sizing or inadequate cooling. Phase imbalance can trigger fault codes, indicating potential problems with incoming power or internal thyristor failures. Parameter configuration errors, specifically with ramp-up/ramp-down times and voltage settings, prevent proper motor starting and stopping. Communication failures on the Profibus DP network are traced to incorrect addressing, baud rate mismatches, or faulty communication modules. Regular inspection of the heat sink and replacement of degraded components ensures optimal performance and prevents premature failure.
Technical specifications
The Siemens 3RW4073-6BB34 is a high-performance SIRIUS soft starter designed for three-phase asynchronous motors up to 250 HP at 460V and 280 HP at 575V, providing a current-controlled starting method to minimize mechanical stress on driven equipment and reduce voltage dips in the power supply system; it features adjustable starting voltage, current limiting, and ramp-up/ramp-down times, enabling precise adaptation to various load characteristics and application requirements; integrated motor overload protection, thermistor motor protection, and short-circuit protection via external circuit breakers ensure comprehensive motor and system safety; furthermore, it incorporates a user-friendly interface with a clear display for parameter setting and diagnostics, along with communication capabilities for seamless integration into automation systems, making it a robust and reliable solution for demanding industrial applications requiring smooth and controlled motor starting.
Our Repair Process for the
3RW4073-6BB34
Our repair process for the Siemens 3RW4073-6BB34 soft starter begins with a thorough inspection to identify thermal overload issues stemming from motor sizing or cooling deficiencies. Technicians then address phase imbalance faults by examining incoming power and testing internal thyristors. Parameter configurations, including ramp-up/ramp-down times and voltage settings, are verified and corrected to ensure proper motor operation. Communication failures on the Profibus DP network are resolved through address verification, baud rate adjustments, and module testing. The heat sink is inspected, and degraded components are replaced to maintain optimal performance and prevent future failures.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY