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Specifications:
| Storage Temperature | Ambient |
| Product Type | Laboratory Equipment |
| Product Brand | MCH |
| Product Grade | Laboratory grade |
Compact, High-Performance DC Bench Power Supply for Lab, Repair, and Teaching Applications
The MCH-K305D is a compact, lightweight, and high-efficiency DC power supply designed for precision applications in electronics, engineering development, and laboratory education. It offers fine voltage and current adjustments via a high-precision multi-turn positioner and features intelligent thermal management for sustained high-performance operation.
Engineered with imported components and advanced circuit design, the K305D achieves >85% conversion efficiency and provides four-digit digital display accuracy. Its robust quadruple protection system—featuring overload, over-voltage, over-current, and current limiting protection—ensures safety during continuous use.
Key Features & Benefits
- ✅ Multi-Turn High-Precision Adjustment – Ultra-sensitive control over voltage and current for fine-tuning during sensitive procedures
- ✅ High Efficiency & Long-Term Reliability – Uses imported components and SMT technology for >85% conversion efficiency and longer lifespan
- ✅ Compact & Lightweight Design – Weighs only 1.35 kg; far more portable than traditional linear power supplies
- ✅ Four-Digit Voltage & Current Display – Clear and color-differentiated output readings for greater precision and monitoring
- ✅ Intelligent Cooling System – Integrated cooling fan and venting system for efficient thermal management
- ✅ Non-Slip Base – Secure placement during use to protect the unit and workspace
- ✅ Comprehensive Protection System – Includes overload, over-voltage, over-current, and current limiting protection mechanisms
Technical Specifications
| Model | MCH-K305D |
|---|---|
| Input Voltage | AC110V / AC220V (dual input) |
| Input Current | 0.9A @220V full load |
| Output Voltage Range | 0–30V |
| Output Current Range | 0–5A |
| Voltage Display Accuracy | ±0.5% |
| Current Display Accuracy | ±0.5% |
| Efficiency | >85% |
| Voltage Regulation | Load: ≤50 mV (10–100%) Line: ≤20 mV |
| Current Regulation | Load: ≤20 mA (10–100%) Line: ≤20 mA |
| Ripple & Noise (V / A) | ≤50 mV (V), ≤20 mA (A) |
| Operating Temp & Humidity | –10℃ to +60℃, 30–90% RH |
| Dimensions (W×H×D) | 70 × 150 × 220 mm |
| Weight | Approx. 1.35 kg |
Applications
- Electronic repair and maintenance
- Engineering design and circuit testing
- Educational laboratories and vocational training
- Bench power supply for R&D
- Battery charging and LED testing
The MCH-K305D DC Power Supply Unit delivers professional-grade performance in a compact and easy-to-use form factor. Whether you're in a lab, repair shop, or classroom, its precision control, enhanced safety protections, and high-efficiency design make it an essential power supply solution for a wide range of electronic applications.