SKU: 91028916912

North America Smart-Boost SB-50 Rotary Phase Converter

Sale price$2744.10 Regular price$3049.00
Save 10%

Pay in installments of $762.25 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

North America Smart-Boost SB-50 Rotary Phase ConverterSmart Boost SB 50 Digital Rotary Phase Converter The Smart Boost SB 50 is a high capacity digital rotary phase converter built for very 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 cleanly, reliably, and without repeated attempts. This unit is designed for

Smart-Boost SB-50 Digital Rotary Phase Converter

The Smart-Boost SB-50 is a high-capacity digital rotary phase converter built for very 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 cleanly, reliably, and without repeated attempts.

This unit is designed for operations where startup failures are not an inconvenience, they are a liability. If motors downstream hesitate, stall under load, or struggle to overcome inertia, the SB-50 is engineered specifically to eliminate those issues.


Built for Extreme Hard-Starting Industrial Equipment

The SB-50 is intended for large air compressors, submersible pumps, flywheel-driven systems, gearhead lathes, and other high-inertia three-phase machinery operating at serious scale. These machines often require several times their normal running current during 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-50 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 real-world terms, this means stronger motor starts, smoother transitions to operating speed, and cleaner power behavior in demanding industrial environments.


Smooth Starts and Efficient Power Transfer

Soft-start functionality helps reduce mechanical and electrical shock during startup. Motors ramp up smoothly instead of pulling aggressively, which helps extend the service life of both the connected 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-50 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 operate even in complex industrial environments.

All components are housed in a NEMA 1 indoor-rated enclosure, intended for clean, dry locations 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-50 a long-term power solution rather than a temporary workaround.


What’s Included

  • Smart-Boost SB-50 digital rotary phase converter

  • Integrated control panel

  • Built-in motor starter

  • Solid-state relay

  • Digitally controlled system with 600 percent current boost capability

  • Self-healing oil-filled motor start and run capacitors

  • ABB Baldor idler-generator motor

  • NEMA 1 indoor-rated enclosure

  • Soft-start functionality

  • Low-impedance, high-efficiency design

  • 10-year parts warranty with lifetime labor support


Ideal For

  • Very large hard-starting air compressors

  • Submersible pumps and pump systems

  • Gearhead lathes and flywheel-driven machinery

  • High-inertia or heavy-load three-phase motors

  • Industrial environments where startup reliability is mission-critical


Maximum Startup Power for Industrial Operations

The Smart-Boost SB-50 is built for operations where startup performance directly impacts productivity, safety, 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-50 reflects that approach, precise, robust, and engineered for equipment that simply cannot afford weak starts.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91028916912

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 1414 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
Russell B
Phoenix, US
★★★★★ 4
Utility and price
Color: Light Beige, Size: 6-Panel
Good privacy screen. Reasonably priced. Attractive. Definitely for indoor use. Direct sun will shred the fabric.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 21, 2025
A
Verified Purchase
Almighty Pain
Whiting, US
★★★★★ 5
Excellent Structural Privacy Barrier / Zero Assembly Required
Color: Light Beige, Size: 6-Panel
I purchased this 6-panel partition to establish a dedicated recovery zone and create a hard visual perimeter in my room. It serves exactly the function I needed without any unnecessary complexity. ​The structural execution is excellent. It effectively blocks out light and breaks up the room geometry perfectly. Despite being lightweight enough to reposition rapidly, it remains completely stable once anchored in place. ​The best part is the zero-bloat deployment—it was ready to use immediately out of the box with absolutely no complex assembly or external hardware required. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
L
Verified Purchase
Lena H
Cuba, US
★★★★★ 5
Nice!!
Color: Chocolate, Size: 6-Panel
I love this divider. There was no set up at all, simply remove it out of the box, that's it. Thank you for making this easy. The divider is of great quality and easy to store away when not in use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
C
Verified Purchase
Colleen Ellis
Dallas, US
★★★★★ 5
No assembly required
Color: Light Beige, Size: 6-Panel
Absolutely love this! Arrived in a timely manner and it’s very versatile. Blocks the light on our porch on a hot day. Very durable and stable product. The color was as expected and there is no assembly required.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
M
Verified Purchase
Mowrind
Houston, US
★★★★★ 3
Looks ok if you don't look too close. Not likely to last long.
Color: Light Beige, Size: 6-Panel, Color: Light Beige, Size: 6-Panel
Got here fast, which was great since our company "upgraded" its video conferencing software and virtual backgrounds no longer work. But I can only describe the item as rickety and sloppily built. See photos: visible gaps in the weave that show the frame through. Chewed up screws in the hinges look like someone took them out and put them back in several times... or salvaged them from another unit. On the whole, it doesn't seem sturdy. I'll be folding it up and re-deploying it several times a week, so I'll be surprised if it will still stand up in a year. Not a good value for the price, really, except that demand on these right now has prices pushed upward. I'd be happy enough if I'd spent $39.99 rather than over a hundred.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2021

recommand products