Surge Arrestor 100kA, 2-4 Pole, 385V | Onesto SPD hertz meter 5kW Max operating depth: 250m

5kW Max operating depth: 250m Use with: Compatible 4" hydraulic borehole pump ends Need help matching a motor

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

Backup power installations

contractors and maintenance teams who need high-current protection that can be fine-tuned within its rated band on main incoming supply boards or large plant installations

Terminal Bars – Reliable Multi-Way Electrical Connections

Surge Arrestor 100kA, 2-4 Pole, 385V | Onesto SPD hertz meter 5kW Max operating depth: 250mThe 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