Excellent protective performance.
Good resistance to pollution.
Easy installation and maintenance
In the area of transmission line power quality, Pomanique offers the transmission line arrester. The lightweight construction makes it possible to easily mount arresters on the transmission line structures. The arresters provide a preferred path between line and ground, guarding against insulator flashover.Surge protection of transmission lines is a solution to troublesome outages and customer dissatisfaction. State-of- the-art protection of transmission lines using polymer MOV arresters provides higher power quality, which will improve customer satisfaction.
Rated voltages (Ur) 108 -220 kV
Nominal discharge current (IEC) 10kApeak
Discharge current withstand strength:
High current 4/10 μs 100 kApeak
Low current 2 000 μs 1200 Apeak
Line discharge class (IEC) Class5
[2 impulses, (IEC Cl. 8.5.5) 7.8 kJ/kV
Short-circuitcapability 50 kAsym
Ambient temperature -50 ~45 °C
Design altitude max. 1 000 m
Frequency 15 - 62 Hz