The AC power lightning protection module is suitable for the power protection of power distribution rooms, power distribution cabinets, switch cabinets, AC and DC power distribution panels, communications, electronics, power, networks, energy, railways, highways and other systems; · There is outdoor input in the building Power distribution boxes and building-level distribution boxes; · Used for low-voltage (220/380VAC) industrial power grids and civil power grids; · Signal lightning arresters are used for line intrusion over-voltage protection; lightning rods are used for direct lightning protection; in power systems Among them, it is mainly used for the three-phase power input or output terminal in the power supply screen of the main control room of the automation machine room and the substation.
The inspection process is as follows: when the lightning protection equipment is completed but the concrete is not irrigated, the inspection content includes: the type and welding quality of the lightning protection belt and the net; the welding standard between the down conductor and the lightning protection belt and the connection point of the net; the standard of the down conductor , Quantity, orientation, interval; lightning protection belt, net and equipotential bonding standard of metal objects beyond the roof. When the lightning protection equipment of the conversion layer is completed but the concrete is not irrigated, the inspection content of the lightning protection company includes: the standard, quantity, orientation and interval of the down conductor; the welding standard between the down conductor and the ring beam connection point;
EVA Puzzle Mat
EVA Puzzle Mat is always a classic and
necessary educational toys for baby or children.
Made from Eco-friendly, closed cell,
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safe of EVA foam product. We have passed ASTM and EN71 certificates for our EVA play mat, the certificates are available if customers need to have a look.
We have multiple educational puzzle mat designs like
numbers, letters, animals and vehicles for options, these are the basic and
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baby and children, also as a safe and comfortable baby play mat applied in house.
If customer is interested in customized
design of the baby puzzle mat, please also feel free to let us know, we are capable to
produce the puzzle mat based on customized design, even the puzzle mat with a
full printing.
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Huizhou City Melors Plastic Products Co., Limited , https://www.thefoammaster.com