Surge Arrestor 100kA, 2-4 Pole, 385V | Onesto SPD hertz meter the range supports multiple coil

the range supports multiple coil voltages from 24V to 525V and is available in both 3-pole (3P) and 4-pole (4P) configurations

designed to protect electrical installations

Confirm your supply voltage (230V AC or 400V AC) matches your system

The IP65 Grey Electrical Enclosure range provides reliable protection for electrical components in both indoor and outdoor environments

Surge Arrestor 100kA, 2-4 Pole, 385V | Onesto SPD hertz meter the range supports multiple coilThe Onesto BY7 100 Surge Protection Device is a Class II (Type 2) surge arrestor rated at 100kA, the highest discharge rating in the Onesto BY7 range. It is designed to protect main electrical incomers, distribution boards and connected equipment from severe transient overvoltage caused by direct or nearby lightning strikes and major switching surges. Suitable for commercial, industrial and high risk TN and TT power supply networks, it offers a visual