Zinc Oxide Surge Arrester for Power Transformer Protection

This zinc oxide surge arrester is used to protect transformers and electrical equipment from lightning surge and switching overvoltage. It features fast response, low leakage current, stable protection performance and reliable insulation strength. The product is suitable for power transformers, distribution transformers, compact substations, switchgear and power distribution systems.
Voltage class
Service scope
Virtual value of arrester rated voltage (kV)
Gapless arrester
Virtual value of contin…

SKU: ZOSAF-268

Description

This zinc oxide surge arrester is used to protect transformers and electrical equipment from lightning surge and switching overvoltage. It features fast response, low leakage current, stable protection performance and reliable insulation strength. The product is suitable for power transformers, distribution transformers, compact substations, switchgear and power distribution systems.

Voltage class Service scope  Virtual value of arrester rated voltage (kV) Gapless arrester
Virtual value of continuous voltage (kV)  1mA reference  voltage(kv) is no  less than MAX.leakage (uA)under 0.75 times Of D.C.reference voltage
35kV power model 51 40.8 73 50
42 23.4 73 50
42 – – –
capacitor model 51 40.8 73 50
42 23.4 73 50
42 – – –
Line-type 51 40.8 73 50
54 43.2 77 50
42 – – –
42 – – –
neutral point model 30 24 44 50