When using the small power distribution unit, the following protection requirements are required:

Installation location: The small power distribution unit should be installed in a dry and well-ventilated place, away from flammable and corrosive substances. Avoid exposure to direct sunlight or moisture.

Incoming and outgoing wire protection: Incoming and outgoing wires should be protected with suitable protective sleeves or conduits to prevent physical damage or loss of wires.

Grounding protection: The small power distribution unit should be properly grounded to ensure the integrity of the safety grounding system to prevent current leakage and electric shock accidents.

Dustproof and waterproof: The small power distribution unit should be dustproof and waterproof to protect the internal equipment from the intrusion of dust, moisture and other pollutants.

Signs and warnings: There should be clear and visible signs on the small power distribution unit, including power switches, warning signs and emergency power-off devices, so that corresponding measures can be taken quickly when necessary.

Regular maintenance: Regularly check the operation of the small power distribution unit to ensure that the wires are connected well, the fasteners are intact, and the accumulated dust and debris are removed.

Restricted area: Place the small power distribution unit in an area that cannot be easily accessed by unauthorized personnel, ensuring that only trained and authorized personnel can perform maintenance and operation.

Note that the above are general protection requirements, and specific requirements may vary by region and application scenario. Before using the small power distribution unit, carefully read the relevant safety instructions and operation manuals, and abide by local laws, regulations and safety standards.