T7 Arc Power Source is a next-generation, high-quality DC multi-arc power supply designed specifically for the vacuum coating industry. Developed with advanced high-frequency conversion technology, it delivers stable, precise, and energy-efficient power for both decorative and hard coating processes. Whether you're working with multi-arc ion plating, metal plasma sources, or magnetic filtering arc ion plating, the T7 offers reliable excitation control and outstanding cost-effectiveness.
With its compact design, high efficiency (over 93% conversion rate), and heavy-duty industrial construction, the T7 Arc Power Source is the ideal choice for coating facilities aiming to improve productivity, reduce energy costs, and achieve superior coating quality.
Features
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Advanced Switch-Mode Power Supply Technology
Smaller size, higher efficiency, stable operation, low noise, and minimal grid interference compared to conventional inverter arc power sources. -
Exceptional Energy Efficiency
Over 93% conversion rate – saves more than 10% energy compared to ordinary inverter arc power supplies. -
Precise Current Control
Photoelectric isolation for both given and feedback signals eliminates interference, improves calculation speed, and stabilizes current accuracy to ≤1%. -
Automatic Arc Stabilization & Ignition
Built‑in arc extinguishing detection and automatic arc ignition ensure uninterrupted operation. -
Voltage Drop & Automatic Current Stabilization
Maintains efficient and stable performance even under grid voltage and load fluctuations. -
100% Duty Cycle
Designed for heavy industrial use with 100% temporary load capacity – continuous operation without downtime. -
Robust Protection Circuits
Includes load compensation, small current arc stabilization, overcurrent protection, and over-temperature protection. -
User-Friendly Operation
Simple controls with soft-start switch, digital display, and remote control interface. -
Durable & Reliable
Industrial-grade IGBT modules, German‑imported fan, and rugged construction ensure long service life.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | Three‑phase 380V ±15% |
| No‑load Voltage | 80V ±5% |
| Output Current Range | 25 – 200A (adjustable) |
| Input Power Capacity | >5KVA |
| Constant Current Accuracy | ≤1% |
| Rated Output | 200A / 25V |
| Duty Cycle | 100% |
| No‑load Loss | 0–30W |
| Efficiency | ≥85% (peak conversion >93%) |
| Power Factor | 0.93 |
| Insulation Class | B |
| Enclosure Protection | IP21 |
| Weight | 16 kg |
| Dimensions (W×H×D) | 480×160×480 mm |
Applications
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Multi‑arc ion plating
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Metal plasma sources
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Arc plasma sources
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Magnetic filtering arc ion plating
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Decorative coating (jewelry, hardware, sanitary ware)
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Hard coating (tools, molds, automotive parts)
Installation & Operation Highlights
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Input connection: 3‑phase 380V ±15% – ensure correct voltage and reliable grounding (10 mm² wire to grounding screw).
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Output connection: Tighten positive and negative cables to prevent overheating; observe correct polarity.
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Preheating recommended: 30 minutes in winter / 15 minutes in summer after prolonged pause (>24 hours).
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Fan operation: Fan continues for 180 seconds after shutdown to cool internal components, extending lifespan.
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Soft-start switch: Press to start arc ignition and maintain normal excitation.
Control Interface & Arc Ignition Options
T7 provides flexible arc ignition outputs to suit your system:
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DC 100V – for electromagnetic coil arc ignition
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Single live wire output (220V) – for pneumatic arc ignition
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DC 24V – for 24V solenoid valve arc ignition
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Normally open contact – user‑selectable (add spark absorption circuit for DC arc ignition)
Custom output methods available upon request.
Why Choose the T7 Arc Power Source?
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Save energy – over 10% savings vs. conventional inverters
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Reduce downtime – 100% duty cycle and automatic arc recovery
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Improve coating quality – ≤1% current stability and precise control
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Lower operating costs – high efficiency, durable components, easy maintenance
Perfect for vacuum coating professionals who demand reliability, precision, and efficiency.