Description
Product Overview
The DIHOOL Adjustable Voltage Protector is engineered as a versatile, DIN‑rail compatible miniature circuit breaker designed for both residential and industrial environments. Constructed from high‑grade fire‑resistant polycarbonate, the enclosure not only meets rigorous safety standards but also provides long‑term durability against thermal stress and mechanical impact. The device features an intuitive digital interface that allows users to program up to twelve distinct presets, covering a wide range of voltage and current thresholds. These presets include over‑voltage protection from 140 V up to 300 V, under‑voltage protection from 70 V to 200 V, and over‑current protection ranging from 1 A to 63 A. Each setting can be adjusted in fine increments, giving precise control over the protection parameters for sensitive electronics, motor drives, lighting circuits, and other critical loads.
![[Product front view showing all components]](https://www.bilvora.store/wp-content/uploads/2026/08/b11211d1fdfc45439b44c0e77297d0c8.jpg)
Usage
Designed for flexibility, the protector can be installed in standard 35 mm DIN rail panels found in control cabinets, distribution boards, and equipment enclosures. Its compact dimensions—2.58 × 1.44 × 3.37 inches—make it suitable for tight spaces where traditional breakers would be impractical. Typical applications include safeguarding home automation hubs, protecting industrial motor drives from voltage spikes, stabilizing lighting circuits in commercial buildings, and preventing damage to high‑value consumer electronics such as home theater systems and gaming rigs. The smart auto‑recovery function eliminates the need for manual resetting; once the power condition returns to a safe range, the unit automatically restores power, minimizing downtime and reducing the risk of human error. This feature is especially valuable in remote or hard‑to‑access installations where frequent manual intervention would be costly.
Why Choose Us
DIHOOL brings over a decade of expertise in electrical safety solutions, and this Adjustable Voltage Protector reflects that heritage through meticulous design and rigorous testing. The fire‑resistant PC housing undergoes a series of flame‑spread and heat‑resistance assessments to ensure compliance with IEC 60335‑1 and UL 489 standards, providing confidence that the device will not become a source of fire in the event of a fault. The precision digital control module utilizes a microcontroller‑based algorithm that continuously monitors voltage and current waveforms, enabling rapid detection of abnormal conditions and instantaneous tripping. Moreover, the product is backed by a comprehensive warranty and a responsive technical support team that offers installation guidance, firmware updates, and troubleshooting assistance. Customers benefit from a single‑source solution that combines protection, convenience, and reliability, reducing the need for multiple separate devices and simplifying inventory management.
Key Features
- 12 fully customizable presets let you tailor over‑voltage, under‑voltage, and over‑current limits to match exact equipment requirements.
- Smart auto‑recovery restores power automatically after fault clearance, eliminating manual reset and reducing downtime.
- Fire‑resistant polycarbonate housing provides superior protection against heat and flame, meeting international safety standards.
- Compact DIN‑rail design fits standard 35 mm panels, enabling easy integration into existing control cabinets and distribution boards.
- Dedicated technical support and warranty ensure reliable after‑sales service and peace of mind for end users.
FAQ
Can the protector be used with both 110 V and 220 V systems?
Yes, the device is designed to operate across a wide input range, supporting both 110 V and 220 V mains supplies. The programmable voltage thresholds allow you to set protection limits appropriate for the specific supply voltage of your installation.
How does the auto‑recovery feature work?
When a fault such as over‑voltage or over‑current is detected, the protector immediately disconnects the load. It then continuously monitors the line condition; once the voltage and current return to the user‑defined safe range, the internal controller automatically re‑closes the circuit, restoring power without any manual intervention.
Is the device compatible with existing circuit breaker panels?
The protector is built to standard DIN‑rail dimensions, making it compatible with most commercial and industrial breaker panels that accept 35 mm modules. Installation requires only a few screws and a simple click‑in mechanism, allowing quick retrofits or new builds.
What maintenance is required to keep the protector functioning optimally?
Because the unit contains no moving parts, routine maintenance is minimal. It is recommended to periodically inspect the DIN‑rail mounting for secure attachment and to verify that the preset values remain appropriate for any changes in the connected equipment. Firmware updates can be applied via the manufacturer’s support portal to ensure the latest protection algorithms are in use.
Does the protector provide any indication of its status?
Yes, the front panel includes LED indicators that display power status, fault condition, and auto‑recovery activity. These visual cues help users quickly assess the health of the protected circuit and take corrective action if needed.
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