Adjustable DC Bench Power Supply 30V 5A Variable Voltage Regulator
Adjustable DC Bench Power Supply 30V 5A Variable Voltage Regulator
Adjustable DC Bench Power Supply — 30V / 5A Variable Voltage Regulator
Take full control of your electronics workbench with this precision adjustable DC bench power supply. Delivering a wide output range of 0–30V / 0–5A, it is the ideal companion for DIY electronics projects, circuit testing, battery charging, lab work, and professional troubleshooting. Made in Mainland China.
Why You'll Love It
- Built to Last: High-quality ABS housing with a durable spray-painted finish — scratch-resistant, rust-resistant, and designed to withstand everyday workshop use.
- Advanced Safety Features: Short-circuit protection, over-temperature protection, overload protection, overvoltage protection, an integrated fuse, and anti-reverse connection safeguards keep both the unit and your devices secure.
- High Accuracy Readings: 3-digit LED display with voltage precision of ±1% + 1 digit and current precision of ±1% + 2 digits — so you always know exactly what's being delivered.
- Auto C.C. / C.V. Switching: Seamlessly switches between Constant Voltage (C.V.) and Constant Current (C.C.) modes automatically as load conditions change, ensuring a stable output at all times.
- Energy Efficient: Achieves an energy efficiency ratio greater than 85%, helping you get more from every watt.
- Smart Cooling: The built-in fan activates automatically when internal temperature rises, extending the unit's operational life and maintaining stable performance during extended sessions.
Full Specifications
| Input Voltage | AC 100–240V / 50–60Hz (EU, UK & US plugs available) |
| Output Voltage | 0–30V (adjustable) |
| Output Current | 0–5A (adjustable) |
| Voltage Resolution | 0.1V |
| Current Resolution | 0.01A |
| Ripple Voltage | Vpp ≤1% |
| Ripple Noise | ≤1mV |
| Efficiency | >85% |
| Digital Display | 3-digit LED |
| Noise Level | 60dB |
| Power Cord Length | 1.2m / 3.94ft |
| Output Line Length | 1m / 3.28ft |
| Operating Environment | -10°C to 45°C / 14°F to 113°F, RH ≤90% |
| Storage Environment | -20°C to 60°C / -4°F to 140°F, RH ≤80% |
| Material | ABS |
| Country of Origin | Made in Mainland China |
Plug Compatibility
- EU Plug: Indonesia, Germany, France, Spain, Italy and more
- UK Plug: Malaysia, United Kingdom and more
- US Plug: USA, Canada, Mexico, India, Thailand, Philippines, Taiwan and more
Package Contents
- 1 × Adjustable DC Bench Power Supply (30V / 5A)
Note: Product appearance and printed labels may vary slightly by production batch; this does not affect functionality. Colors may differ slightly from images due to screen settings. Measurement tolerance: ±1–3cm.
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Frequently Asked Questions
Q: What output range does this adjustable bench power supply support?
A: This DC bench power supply supports a fully adjustable output voltage of 0–30V and output current of 0–5A, making it suitable for a wide range of electronics projects, circuit testing, and DIY applications.
Q: Does this variable power supply switch between constant voltage and constant current modes automatically?
A: Yes — the unit automatically switches between Constant Voltage (C.V.) and Constant Current (C.C.) modes based on load conditions, ensuring a consistently stable output without any manual intervention.
Q: What safety protections are built into this bench power supply?
A: The power supply includes short-circuit protection, over-temperature protection, overload protection, overvoltage protection, an integrated fuse, and anti-reverse connection protection — providing comprehensive safety for both the unit and your connected devices.
Q: Which plug types are available for this voltage regulator power supply?
A: The unit is available with EU, UK, and US plug types, covering compatibility across North America, Europe, Southeast Asia, the UK, and many other regions worldwide.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.