
O 40kA 3 pole AC surge protective device is engineered for three-phase AC networks, combining fast response and high discharge capacity.
With advanced MOV ZnO varistors, it provides efficient protection against voltage transients and lightning surges.
Its enclosure is made of PVC/PA66/PBT materials for strength, insulation, and flame resistance.
Manufactured under IEC 61643-11:2011 / EN 61643-11:2022, and certified by CE & TUV.
As a professional OEM/ODM surge protection manufacturer and factory, we offer wholesale and bulk supply options.
Applicable scenarios / Application industries
This SPD installs easily via 35mm DIN rail, suitable for solar combiner boxes, control panelse AC power systems.







