Product Description
The Allen-Bradley 152H-B54FBD-45-3 SMC Dialog Plus controller is a reliable, solid-state, IP65-rated device designed for demanding industrial applications, offering flexible 200-460V AC input, 54-amp capacity for up to 30HP loads, 50/60Hz 3-phase support, 100-240V AC control voltage, standard programming options, heatsink fans for cooling, and a hand-off auto selector switch for versatile motor control.
Is Your Device Showing These Signs?
The Allen Bradley 152H-B54FBD-45-4 is frequently repaired for common failures including blown fuses within the overload relay, preventing motor starts. Technicians address issues such as contact wear on the bimetallic trip mechanism, causing nuisance tripping or failure to trip during overcurrent events. We resolve problems with the compensation element, affecting thermal overload protection accuracy across varying ambient temperatures. Additionally, we repair damage to the manual reset button and test functionality of the test button to ensure proper operation of the starter. Coil burnout within the magnetic contactor is a common issue, requiring coil replacement and verification of proper voltage.
Technical specifications
The Allen-Bradley 152H-B54FBD-45-3 SMC Dialog Plus is a robust, IP65-rated solid-state motor controller for industrial use. It handles 200-460V AC input, supports up to 54-amp/30HP loads, offers 3-phase 50/60Hz compatibility, uses 100-240V AC control voltage, features standard programming, includes heatsink fans for cooling, and provides a hand-off auto selector switch for flexible motor control.
Our Repair Process for the
152H-B54FBD-45-3
Our repair process for the Allen Bradley 152H-B54FBD-45-4 begins with a comprehensive evaluation to identify all faults. Technicians meticulously inspect and replace blown fuses within the overload relay to restore motor start functionality. Contact wear on the bimetallic trip mechanism is addressed through refurbishment or component replacement, preventing nuisance tripping and ensuring accurate overcurrent protection. The compensation element is calibrated or repaired to maintain thermal overload protection accuracy across different ambient temperatures. Damage to the manual reset button is corrected, and the test button's functionality is verified to guarantee proper starter operation. Coil burnout within the magnetic contactor is resolved through coil replacement, followed by rigorous voltage verification to confirm operational integrity.
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.

















