Surge Protection Devices Ex9UE1+2, 25 kA

Surge protection devices are essential for safeguarding electrical systems from transient overvoltages caused by lightning strikes and other power surges. Chint’s Surge Protection Devices Ex9UE1+2, 25 kA offer robust protection against both direct and indirect lightning strokes of medium intensities. These Type 1+2 (Class I+II, T1+T2, B+C) devices are tested according to EN 61643-11 standards, ensuring reliable performance in various electrical installations. The Ex9UE1+2, 25 kA models feature a maximum impulse current of 25 kA (10/350 µs) per module and up to 100 kA for the NPE module. They also boast a nominal discharge current of 25 kA (8/20 µs) and a maximum discharge current of 60 kA (8/20 µs). With a continuous operational voltage of 280 V AC, these devices are suitable for LPL I - IV according to EN 62305 in standard three-phase TN-C and TN-S installations. Designed with a plug-in module system, the Ex9UE1+2, 25 kA units allow for easy replacement and maintenance. Variants are available with or without remote indication contacts, and they come with a device status indicator on the front side. The modular design ensures quick and simple installation, making these surge protection devices a reliable choice for protecting critical electrical systems.