Adjustable Current Limiter 40A with LED Display | 1A–40A
Adjustable Current Limiter 40A with LED Display | 1A–40A
Adjustable Current Limiter 40A with LED Display
Take full command of your electrical circuits with this Adjustable Current Limiter. Designed for electronics engineers, electricians, DIY enthusiasts, and professionals, this compact yet powerful device offers a wide current range of 1A to 40A with high-precision control — giving you the confidence to protect your equipment and electrical systems with ease.
Why You'll Love It
- Automatic Protection: The limiter automatically disconnects the circuit when current exceeds your set value and seamlessly resumes once the current normalizes — keeping your devices safe without manual intervention.
- LED Display: The built-in LED display allows easy real-time monitoring of timing and status at a glance.
- High Precision, Low Consumption: An integrated chip delivers accurate, stable current control with virtually no standby power draw.
- Durable PA66 Housing: Encased in a high flame-retardant PA66 shell that is impact resistant, heat resistant, and well insulated — built to last in demanding environments.
- Wide Compatibility: Works with a broad range of electrical devices and applications, operating across 110–300VAC at 40–60Hz.
- Easy to Install: Compact mini panel design (approx. 39×46×81mm) makes installation straightforward in tight spaces.
Ideal Applications
- Laboratory testing and R&D setups
- Home circuit modifications and upgrades
- Industrial equipment maintenance
- DIY electronics projects
Specifications
| Current Range | 1A – 40A |
| Working Voltage | 110–300VAC |
| Rated Frequency | 40–60Hz |
| Delay Time | 10 seconds |
| Panel Size | Approx. 39 × 46 × 81mm |
| Housing Material | PA66 (flame retardant) |
| Battery Included | No |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × Adjustable Current Limiter (40A)
Please allow 1–3cm measurement variance due to manual measurement. Actual color may vary slightly from product images due to differences in monitor settings.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What is the current range of this adjustable current limiter?
A: This current limiter supports an adjustable range from 1A to 40A, making it suitable for a wide variety of electrical devices and applications — from low-power electronics to heavier industrial equipment.
Q: What voltage range is this current limiter compatible with?
A: The device is compatible with 110–300VAC at a rated frequency of 40–60Hz, covering most standard household and industrial electrical systems.
Q: What happens when the current exceeds the set limit?
A: The limiter automatically disconnects the circuit within the set parameters. Once the current returns to a normal level, the device resumes operation after a 10-second delay, providing automatic protection without requiring manual reset.
Q: Is this current limiter suitable for DIY projects and home use?
A: Yes! Its compact mini panel design, easy installation process, and broad compatibility make it an excellent choice for DIY enthusiasts, home circuit modifications, laboratory testing, and professional electrical work alike.
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.