Compare plating rectifiers
Dynapower alternative: compare rectifiers by what matters after installation
Dynapower builds power supplies for metal finishing alongside a range of industrial processes. ION Rectifiers is focused on plating and anodizing, with rectifiers that are easy to run, filter ripple properly inside the unit, and mount right at your line. If you are weighing a Dynapower alternative, compare plating rectifiers side by side on what actually affects a finishing shop after installation. You can also review our Aldonex alternative for plating rectifiers.
Compare what matters on a finishing floor
Amps and volts are the starting point. For a plating or anodizing shop, the fit is decided by how easily operators run the unit, how it controls ripple, whether it can live at the line, and how it is supported after installation.
| Buying criterion | ION Rectifiers | Dynapower |
|---|---|---|
| Focus | Plating and anodizing, purpose-built | Metal finishing plus broader industrial power |
| Ease of use | Intuitive 7-inch touchscreen with recipes and thickness programs, not a button-only panel where functions hide under many clicks | Touchpad controller; confirm operator workflow |
| Programmability | Deep programming under a simple interface | Programmable; confirm depth and recipes |
| Ripple control | True low ripple from a properly sized internal inductor and capacitor | Low ripple stated (≤2%); confirm filtering approach |
| Placement and footprint | Corrosion-proof IP65; mounts at or near the line, no controlled room, short bus runs | Stainless NEMA 4X case; can also mount near the line |
| Enclosure | IP65 molded fiberglass or polycarbonate (NEMA 4, 4X, 12, 13) | NEMA 4X stainless (this model); confirm across the line |
| Serviceability | On-site repair by an ION field technician in most cases; direct support from the builder | Confirm service model and lead time |
| Manufacturing | American-made, built for finishing shops | American-made |
| High-speed pulse | Available when your process needs it | Controller lists a pulse / cycle function; confirm depth |
| Output range | Sized for plating and anodizing: to 5,000 A at 12 V, or 1,000 A at 50 V | Broad range across finishing and industrial |
Where each supplier fits
A fair read: Dynapower serves metal finishing alongside a broad set of industrial power needs. ION is the Dynapower alternative to weigh when a shop wants a plating and anodizing rectifier that is easy to run and filters ripple properly.
- You want a supplier that spans metal finishing and a range of other industrial power applications.
- You are standardizing on one vendor across finishing and other industrial DC needs.
- Plant-level integration such as EtherNet/IP or Modbus TCP into a central control system is a priority.
- You want an intuitive touchscreen operators actually like, not a button-only panel where common functions hide under many clicks.
- You want true low ripple from properly sized internal filtering, where many rectifiers undersize the filter or lean on the plating bath.
- You want American-made equipment, on-site serviceable, focused specifically on plating and anodizing.
- You want the unit to sit at or near the tank in a corrosion-proof IP65 enclosure.
- You want high-speed pulse available for when your process is ready for it.
Why ION is a strong Dynapower alternative
Three things a plating or anodizing shop feels every shift: how the rectifier runs, how clean its power is, and where it can sit. Here is how ION is built for all three.
An ION 1000 A / 50 V rectifier with the 7-inch HMI touchscreen. Built in the United States for plating and anodizing lines: air-cooled to 250 A, water-cooled up to 5,000 A at 12 V in a single enclosure.
- Intuitive HMI
- ≤2% ripple
- IP65 at the line
- Made in USA
Recipes, amp-hour counters, and thickness programs on a 7-inch screen. No button-only menus buried twenty clicks deep. Easy day to day, deep when engineers need it.
A properly sized internal inductor and capacitor, where many rectifiers undersize the filter or lean on the plating bath.
Corrosion-proof molded enclosure mounts at or near the tank, so no controlled room and shorter bus-bar runs.
Sized for plating and anodizing, 0 to 50 V, air-cooled to 250 A or water-cooled above.
Engineered, built, and serviced in the United States, with on-site repair and direct support.
High-speed pulse capability is available for the processes that benefit from it.
An intuitive touchscreen, not a button maze
ION runs on a 7-inch touchscreen built for the shop floor. Operators start, save, and repeat a process right from the screen, without digging through button-only menus twenty clicks deep. The depth is still there for engineers who want it: recipes, amp-hour counters, thickness programs, and full waveform control. Easy to run, deep to program.
Clean power that does not depend on your tank
Every rectifier turns AC into DC, and that DC is never perfectly smooth on its own. Many rectifiers undersize their filters, or lean on your plating bath to smooth the output, which ties finish quality to tank conditions you cannot fully control. ION filters the power inside the unit, with a properly sized inductor and capacitor, so the current reaching your parts stays clean and consistent. Lower, steadier ripple supports a more even, repeatable finish.
The ION rectifier range
One family, from a 10 A bench unit to a 5,000 A production system, all sharing the same controls, enclosure, and support. Standard 12 V models shown; 24 V and straight-DC (IP21C) families are also available.
| Model | Average current | Peak current | Cooling |
|---|---|---|---|
| IP21P-010/12 | 10 A | 20 A | Air |
| IP21P-050/12 | 50 A | 100 A | Air |
| IP21P-100/12 | 100 A | 200 A | Air forced |
| IP21P-200/12 | 200 A | 400 A | Air forced |
| IP21P-300/12 | 300 A | 600 A | Water 1 L/min |
| IP21P-500/12 | 500 A | 1,000 A | Water 1.5 L/min |
| IP21P-1000/12 | 1,000 A | 2,000 A | Water 3 L/min |
| IP21P-2000/12 | 2,000 A | 4,000 A | Water 6 L/min |
| IP21P-3000/12 | 3,000 A | 6,000 A | Water 9 L/min |
| IP21P-4000/12 | 4,000 A | 8,000 A | Water 12 L/min |
| IP21P-5000/12 | 5,000 A | 10,000 A | Water 15 L/min |
Standard 12 V models (IP21P series) from the ION product line sheet. 24 V and straight-DC (IP21C) families available on request.
High-speed pulse, when you are ready
You do not need pulse to get a better plating or anodizing rectifier from ION. But when your process is ready for it, ION offers deep, programmable high-speed pulse. Here is how pulse differs from standard DC.
30+years of
hands-on pulse
Josue ZazullaFounder & Chief Engineer, ION
ION's pulse platform was engineered by Josue Zazulla, recognized as one of the world's foremost experts in implementing pulse technology, with more than 30 years of on-the-ground experience putting pulse to work in real plating operations. When your process is ready for pulse, that expertise comes with the rectifier.
Buyer watch-outs
Run these checks on either supplier before you buy. They surface the differences a nameplate rating hides.
Can operators run and repeat a process from the interface, or are functions buried in a button-only menu?
Is ripple filtered inside the unit with properly sized components, or does it lean on the plating bath?
Can the unit sit at your line, or does it need a controlled room and long bus-bar runs?
Is repair on-site or return-to-factory, and what is the lead time?
Is the supplier focused on plating and anodizing, or is finishing one of many markets?
Is deep programming available under the simple controls when you need it?
Dynapower alternative: your questions answered
Straight answers to the questions shops ask when they weigh Dynapower against ION.
Is an ION rectifier easy for operators to run?
Yes. Operators run it from an intuitive 7-inch touchscreen with saved recipes, amp-hour counters, and thickness programs, not a button-only system where common functions are buried twenty clicks deep. Engineers still get deep programmability underneath.
How does ION control ripple?
ION filters the DC inside the unit with a properly sized inductor and capacitor. Many rectifiers undersize their filters, or lean on the plating bath to smooth the output, which ties finish quality to tank conditions you cannot fully control. ION keeps the current reaching your parts clean and consistent, which supports a more even, repeatable finish.
Can I install an ION rectifier next to the plating line?
Yes. ION rectifiers use a corrosion-proof IP65 enclosure designed to sit at or near the tank, so you can avoid a separate climate-controlled power room and the long bus-bar runs that add cost, heat, and voltage drop.
Where are ION and Dynapower rectifiers made?
Both are American-made. Dynapower serves metal finishing alongside broader industrial power. ION rectifiers are engineered and built in the United States specifically for plating and anodizing shops, with on-site repair and direct support.
Does ION offer pulse plating?
Yes. ION offers deep, programmable high-speed pulse for shops that need it. A shop does not need pulse to benefit from ION's easy operation, true ripple control, and at-line design, so pulse is there when your process is ready for it.
Choose the rectifier that fits your finishing line
Considering a Dynapower alternative? Send your tank size, target voltage and amperage, chemistry, and process, and we will help match the right unit.
Comparison based on publicly available information as of July 2026, including Dynapower's published information and ION's published specifications. Confirm current specifications with each manufacturer. ION positioning reflects its design focus for plating and anodizing shops.