Product Description
The Allen-Bradley 150-B135JBDB-3-8B-90-SCR motor controller is a versatile and robust solid-state device designed for efficient motor control in industrial environments, handling 5-100 HP motors at 460VAC with a 135-amp capacity and 200-460VAC three-phase input (50/60Hz). It features IP54/Type 12 protection, a heatsink fan for thermal management, built-in pump control, 100-240VAC control voltage, SCR fusing, and line/load-mounted protection with N.O. auxiliary contacts for enhanced reliability and circuit protection.
Is Your Device Showing These Signs?
The Allen Bradley 150-B135JBDB-3-8B-90-SCR solid-state reduced voltage starter commonly experiences SCR failure, requiring replacement to restore motor control. Overheating due to inadequate heat sink dissipation or excessive ambient temperature is a frequent cause of malfunction. Calibration drift in the overload protection circuitry leads to nuisance tripping or failure to protect the motor from overcurrent conditions. Communication faults within the control logic necessitate troubleshooting of the internal wiring and component level diagnostics. Bypass contactor failures are observed, preventing the starter from transitioning to full voltage operation after the reduced voltage start sequence.
Technical specifications
The Allen-Bradley 150-B135JBDB-3-8B-90-SCR is a durable solid-state motor controller for 5-100 HP motors (460VAC) with a 135-amp capacity. It accepts 200-460VAC three-phase input, offers IP54/Type 12 protection, includes a heatsink fan, built-in pump control, 100-240VAC control voltage, SCR fusing, and line/load-mounted protection with auxiliary contacts.
Our Repair Process for the
150-B135JBDB-3-8B-90-SCR
Our repair process for the Allen Bradley 150-B135JBDB-3-8B-90-SCR solid-state reduced voltage starter begins with a comprehensive evaluation to pinpoint the failure. Technicians meticulously inspect the SCRs, replacing any that are defective to ensure proper motor control. The heat sink and cooling system are assessed and improved to prevent overheating. Overload protection circuitry is calibrated to guarantee accurate motor protection. Internal wiring and components are thoroughly tested to resolve communication faults. Bypass contactors are examined and replaced if they fail to transition to full voltage operation.
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.