DC SPD is cost-effective and provides a solution to improve the system and eliminate any damage caused by surges. It is highly suitable for any facility. It can be used anywhere in the house for protection. These are installed on circuit breakers and automatic transfer switch for portable generator in residential homes and other places like pad-mounted transformers.
ZHEJIANG YUELONG offers and sells DC SPDs in 2 categories, type 1 and type 2.
Surge protective devices are crucial components of any electrical installation. They play a vital role in protecting your devices and equipment from voltage spikes and surges. But what are they exactly? In this blog post, we’ll take a closer look at surge protective devices and why they are essential for your home or business. […]
Maximum discharge current Imax The maximum discharge current Imax is defined according to the estimated exposure level relative to the building’s location. The value of the maximum discharge current (Imax) is determined by a risk analysis (see table in Figure 1). Fig. 1 – Recommended maximum discharge current Imax according to the exposure level Exposure […]
A SPD must always be installed at the origin of the electrical installation. Location and type of SPD The type of SPD to be installed at the origin of the installation depends on whether or not a lightning protection system is present. If the building is fitted with a lightning protection system (as per IEC […]
We focus on providing high-quality equipment and components to meet the needs of customers around the world.
