Developed for dynamic arc melting scenarios, the Low-Heat Air-Cooled DC Arc Furnace Rectifier outputs adaptive 300A 120V DC power. Its high-efficiency air cooling structure abandons traditional water cooling, enabling flexible layout for small foundry and laboratory smelting stations.
The Low-Heat Air-Cooled DC Arc Furnace Rectifier delivers purpose‑built power conversion for small‑to‑medium DC arc melting systems. In contrast to standard electroplating and electrolytic rectifiers, arc furnace work creates harsh operating conditions. You will face sudden arc strikes, sharp current surges and frequent load shifts. Most industrial water‑cooled rectifiers take up large floor space. They also demand complete circulating water pipelines. For this reason, they fit poorly for pilot smelting workshops, material research labs and small‑batch alloy melting tasks. Unstable power cuts arcs short. It also creates uneven melting temperatures and lowers final alloy purity. These issues hurt production yield and experimental accuracy.
The Low‑Heat Air‑Cooled DC Arc Furnace Rectifier offers full stepless adjustment from 0‑300A current and 0‑120V voltage. It matches power requirements for medium‑sized DC arc furnaces when you smelt iron, steel, copper and custom alloys. Besides, its enhanced high‑power air‑cooled structure dissipates heat from heavy‑current melting cycles. You do not need extra water‑circulation hardware. Our optimized anti‑fluctuation circuit responds quickly to shifting arc loads. It keeps arcs burning consistently and stops melting stops triggered by current or voltage jitter. Furthermore, multi‑layer safety features shield hardware from instant surges and short‑circuits during arc ignition.
Most traditional arc furnace rectifiers run on water‑cooled hardware. They target large‑scale non‑stop smelting production lines. Even so, the Low‑Heat Air‑Cooled DC Arc Furnace Rectifier focuses on intermittent start‑stop cycles and flexible small‑batch smelting. Lab research teams and small foundries use this operating pattern most often. Our team runs strict full‑load and anti‑surge tests on every unit before shipment. Therefore, each device delivers repeatable melting results across many experimental and production batches.
Our real‑time closed‑loop dynamic compensation system corrects output shifts fast. Electrode movement and molten pool changes create these deviations. It holds stable arc length and melting temperature. As a result, you get fewer defective parts from power instability and raise alloy smelting purity. The unit stores multiple groups of smelting process parameters. Operators pull saved proven formulas quickly. This action shortens experimental debugging cycles and lifts overall work efficiency.
The reinforced integrated cabinet keeps a compact footprint. It simplifies workshop layout and equipment relocation. You skip complex water pipe setup and water quality upkeep tasks. It lowers failure rates significantly. Meanwhile, it performs reliably for long stretches inside the high‑temperature environments typical of smelting workshops.
| Parameter Category | Specific Item | Specification |
|---|---|---|
| Rated Output | Rated Current | 300A |
| Rated Output | Rated Voltage | 120V |
| Working Mode | Operation Type | Constant Current / Constant Voltage |
| Cooling System | Cooling Method | High-efficiency Air-cooled Fan Cooling |
| Input Power | Input Voltage | Three-phase AC Customized |
| Communication Interface | Data Port | RS485 |
| Safety Protection | Protection Functions | Over-current, Over-voltage, Over-temperature, Short-circuit, Surge Protection |
| Applicable Scenarios | Main Applications | DC arc furnace smelting, laboratory alloy research, small-batch metal melting, new material formula testing |
We can provide
This rectifier is backed by a 1-year warranty and features a service life of more than 10 years. It supports dual constant current and constant voltage modes, as well as programmable current and voltage ramp-up functions to adapt to gradual heating smelting processes. Equipped with multi-segment parameter setting and timing operation functions, it can realize automatic operation of smelting procedures. The built-in RS485 communication port supports remote data viewing and equipment linkage control. It also supports automatic polarity reversal and customized functional upgrades to meet personalized smelting process needs. Contact us for exclusive customization solutions.
This Low-Heat Air-Cooled DC Arc Furnace Rectifier is widely used in small and medium foundries, new material research institutes, university laboratories and metal processing enterprises. It is mainly used for DC arc melting of steel, copper, aluminum and various alloy materials, as well as formula verification and process optimization of new smelting processes.
The equipment operates stably in long-term intermittent smelting and experimental trial production scenarios. Its stable anti-interference DC output ensures consistent arc state and uniform melting temperature, effectively reducing material waste and experimental failure rates, and accelerating the research and development progress of new alloy materials.
We focus on customized power supply solutions for arc smelting scenarios. Different from general electrolytic and electroplating rectifiers, our Low-Heat Air-Cooled DC Arc Furnace Rectifier is specially optimized for arc surge impact and high-temperature harsh environments, with stronger operational stability and environmental adaptability.
Every equipment undergoes strict arc simulation test and full-load ageing calibration before leaving the factory to ensure stable output in actual smelting work. We support non-standard parameter adjustment and functional customization, and provide professional process guidance and full-cycle after-sales service, creating reliable power guarantee for your smelting production and experimental research projects.
Learn more about related products：6000A 6V Water-Cooled Synchronous Electrolytic Rectifier
A: Products with the same nominal specifications often serve different industries, and they may carry different detailed parameter requirements. These differences directly affect production costs and technical solutions, so final prices will vary accordingly. For this reason, we recommend you contact us directly to receive a precise and tailored quotation.
A: We assign specialized consultants to support each industry sector. If you need further information, simply reach out to us. After we confirm your request, we will immediately send you the full technical datasheets and product images you need.
A: We focus on custom non-standard industrial power supplies, so we can fully adjust output current and voltage to match your exact needs. The products shown on our website only represent part of our actual range, as we do not list every model online. If you cannot find your desired specifications, please contact us directly. We will work with you to confirm your exact requirements, or we can guide you to select the most suitable parameters based on your industry standards. We will provide complete technical specifications and dimension drawings so you can fully understand the product.
