Surge Arrestor 40kA, 1-4 Pole, 275V/385V | Onesto SPD Poles:4P Reducing from a larger PE

Reducing from a larger PE main line to a smaller branch line

1 x Onesto KCMD 250 Frame DC MCCB (as per selected current rating and pole configuration)

This is a clearance item

Matched borehole motor control

IP44 option for splash and dust protection in covered industrial environments

Surge Arrestor 40kA, 1-4 Pole, 275V/385V | Onesto SPD Poles:4P Reducing from a larger PEThe Onesto BY7 40 Surge Protection Device is a Class II (Type 2) surge arrestor rated at 40kA, designed to protect electrical installations, distribution boards and connected equipment from transient overvoltage caused by lightning strikes and switching surges. It is suitable for domestic, commercial and light industrial TN and TT power supply networks, and offers a visual pass fail status indicator so installers and maintenance teams can check