Level 1 surge protectors play a vital role in the power system to prevent surge damage from affecting the system. Proper sizing is a critical step in ensuring the safety of your system. The following are the importance and considerations when choosing a Level 1 surge protector:
1 Installation location requirements.
According to the provisions of the national standard GB 50057-2010, when the electrical grounding device is connected to the lightning protection grounding device, the surge protector of the class I test should be installed at the main distribution box and distribution cabinet introduced by the low-voltage power supply line. The correct installation position ensures optimal protection.
2 Select the protector type.
The types of primary surge protectors include voltage-limited, switched, and combined. When choosing, consider their characteristics and use cases. The composite SPD combines the advantages of the voltage-limiting type and the switching type, which is an ideal choice, avoiding the problems of leakage current, short life and tripping of the pre-switch.
3-way flow selection.
The throughflow rate of the primary surge protector is a key consideration. The common throughflow rate is 125ka, 15ka, 25ka, 50ka, 100ka and other options. Choose the right throughput based on your specific needs and budget. The larger the flow rate, the higher the protection capacity, and the 25ka first-class surge protector is often selected, which is moderate and suitable for all kinds of buildings.
4 Energy auto-match function.
When setting up a multi-level surge protector, the energy coordination function is crucial. In accordance with GB50343-2012, the energy auto-mating function can eliminate the installation distance limit, simplify the installation process, and improve the safety of the system. By correctly selecting the type, installation location, and flow rate of the first-level surge protector, and considering the automatic energy matching function, reliable protection measures can be provided to ensure the safe operation of the power system. Consult our team of professionals for more advice and guidance on the selection of a Class 1 surge protector.
Editor in charge: Xiao Yi.