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North America Smart-Boost SB-40 Rotary Phase Converter
$5,449.00
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Description
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Why Buy From Us
Smart-Boost SB-40 Digital Rotary Phase Converter
The Smart-Boost SB-40 is a high-capacity digital rotary phase converter built for large three-phase equipment that places extreme demand on power during startup. Using Smart-Boost digital control technology, it can surge up to 600 percent additional current at startup, giving heavy motors the support they need to start smoothly and reliably.
This unit is designed for operations where startup issues are not just annoying, they are expensive. If motors downstream struggle to overcome inertia, hesitate under load, or fail to start consistently, the SB-40 is engineered specifically to solve that problem.
Built for Large, Hard-Starting Industrial Equipment
The SB-40 is intended for large air compressors, submersible pumps, flywheel-driven systems, gearhead lathes, and other high-inertia three-phase machinery. These machines often demand several times their normal running current at startup, which is where conventional rotary phase converters reach their limits.
Smart-Boost technology responds dynamically to these conditions, delivering extra current only at the moment it is needed. This allows demanding equipment to start reliably without overstressing the electrical system or the converter itself.
How Smart-Boost Digital Control Works
At the core of the SB-40 is a Smart-Boost digital controller that uses solid-state relays to re-energize the start capacitors at zero-degree crossing on the sine wave. This precise timing allows the system to inject additional current during startup while minimizing electrical noise and harmonic distortion.
In practical terms, this results in stronger motor starts, smoother transitions to operating speed, and cleaner power behavior in demanding industrial environments.
Smooth Starts and Efficient Power Delivery
Soft-start functionality reduces mechanical and electrical shock during startup. Motors ramp up smoothly instead of pulling aggressively, helping extend the service life of both the equipment and the phase converter.
The low-impedance, high-efficiency design supports effective power transfer, resulting in better motor response and more predictable performance under heavy load.
Integrated Controls and Built-In Protection
The Smart-Boost SB-40 includes an integrated control panel with a built-in motor starter and solid-state relay. Startup and operation are handled automatically, keeping the system straightforward to use even in complex industrial setups.
All components are housed in a NEMA 1 indoor-rated enclosure, intended for clean, dry environments where accessibility and protection are both important.
Industrial Components Built for Long-Term Operation
At the heart of the system is an idler-generator motor from ABB Baldor, widely trusted in industrial applications for durability and long service life. Self-healing, oil-filled motor start and run capacitors support consistent performance over time, even with repeated heavy startups.
Combined with solid-state digital control, these components make the SB-40 a long-term power solution rather than a temporary workaround.
What’s Included
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Smart-Boost SB-40 digital rotary phase converter
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Integrated control panel
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Built-in motor starter
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Solid-state relay
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Digitally controlled system with 600 percent current boost capability
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Self-healing oil-filled motor start and run capacitors
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ABB Baldor idler-generator motor
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NEMA 1 indoor-rated enclosure
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Soft-start functionality
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Low-impedance, high-efficiency design
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10-year parts warranty with lifetime labor support
Ideal For
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Large hard-starting air compressors
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Submersible pumps and pump systems
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Gearhead lathes and flywheel-driven machinery
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High-inertia or heavy-load three-phase motors
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Industrial environments where startup reliability is critical
High-Capacity Startup Power for Industrial Operations
The Smart-Boost SB-40 is built for operations where startup performance directly impacts productivity and equipment longevity. By delivering intelligent, high-current support precisely when it is needed, it provides a dependable way to run demanding three-phase equipment from single-phase power.
Energy Systems Central supplies power solutions designed for real industrial challenges. The Smart-Boost SB-40 reflects that approach, precise, robust, and engineered for equipment that needs more than standard phase conversion.
Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.
- Free Shipping Nationwide: Transparent pricing with no hidden fees at checkout.
- Best Price Assurance: If you find the same product offered for less, we’ll review and match it where applicable.
- Easy 30-Day Returns: Clear, straightforward return policies designed for peace of mind.
- Expert-Led Support: Speak directly with knowledgeable specialists who understand the products. Call us at 888-332-7989.
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Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.
Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.
We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.
Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.
Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.
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