Product Description
The Allen-Bradley 150-B240NBDA-8M SMC Dialog Plus controller, made by Rockwell Automation, is a durable, solid-state, three-phase motor controller operating from 200-460V AC and 50/60 Hz, delivering 5-200 HP with a 240 amp current rating and a maximum 460V AC operating voltage. Its open enclosure facilitates ventilation and installation, while features like soft stop control, required heatsink fans, a 100-240V AC control voltage, and a load-mounted protective module ensure reliable and safe performance in demanding applications.
Is Your Device Showing These Signs?
The Allen Bradley 150-B240NBDA-8M SMC Flex Smart Motor Controller commonly experiences issues such as failed SCRs, necessitating replacement to restore proper motor control functionality. Overload faults are frequent, often stemming from incorrect current settings or a malfunctioning current transformer, requiring recalibration or component replacement. Communication errors on the DeviceNet network arise from faulty communication modules or cabling issues, demanding troubleshooting and potential hardware swaps. Power supply failures within the unit lead to complete operational failure, mandating power supply repair or unit replacement. Finally, nuisance tripping occurs due to sensitivity settings or electrical noise, requiring adjustment of trip parameters or implementation of noise filtering techniques.
Technical specifications
The Allen-Bradley 150-B240NBDA-8M SMC Dialog Plus is a robust, solid-state, three-phase motor controller from Rockwell Automation. It handles 200-460V AC power, controls motors from 5-200 HP with a 240 amp rating, and features an open enclosure for easy installation and cooling. Key features include soft stop control, required heatsink fans, a 100-240V AC control voltage, and a load-mounted protective module for reliable and safe operation.
Our Repair Process for the
150-B240NBDA-8M
Our repair process for the Allen Bradley 150-B240NBDA-8M SMC Flex Smart Motor Controller begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction. For failed SCRs, replacement is performed using only manufacturer-approved components, followed by rigorous testing to ensure proper motor control. Overload faults are addressed by verifying and recalibrating current settings, or replacing the current transformer if defective. Communication errors on the DeviceNet network require thorough troubleshooting of the communication module and cabling, with hardware replacement executed as needed. Power supply failures necessitate either component-level repair of the power supply or complete unit replacement. Nuisance tripping is resolved through careful adjustment of trip parameters and implementation of noise filtering techniques to eliminate false triggers. Each repair concludes with extensive functional testing to guarantee the controller operates within specified parameters and meets performance standards.
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