0212 640 90 96

MV/HV Surge Arresters

Property Specification

Type: Medium to High-Voltage Surge Arrester (Overvoltage Protective Device)

Features: Designed to safeguard parallel-connected power assets, this protective device caps system voltage spikes by safely diverting transient surge currents to ground and immediately interrupting power-frequency follow current., it operates across a 3 kV to 66 kV voltage rating with a steep current impulse capability of 9.5 A to 230 A. It offers reliable overvoltage mitigation against atmospheric lightning strikes, network switching transients, and temporary system overvoltages.

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Description

Technical Parameters

Nominal System Voltage (kV) Continuous Operating Limit (MCOV / kV) Steep-Front Impulse Residual Voltage (kV) Switching Surge Residual Voltage (kV) Lightning Impulse Residual Voltage (kV) 2000 µs Rectangular Surge Capability (A) 4/10 µs High-Current Withstand (kA)
3 2.55 9.5 7.7 9 1 100
6 5.1 19.0 15.4 18 1 100
9 7.65 28.5 23.1 27 1 100
12 10.2 38.0 30.8 36 1 100
15 12.7 47.5 38.5 45 1 100
18 15.3 57.0 46.2 54 1 100
21 17.0 66.5 53.9 63 1 100
24 19.2 76.5 61.6 72 1 100
27 21.9 85.5 69.3 81 1 100
30 24.4 95.0 76.5 90 1 100
33 26.8 104.5 84.7 99 1 100
36 29 114.0 91.4 108 1 100
42 34.1 133.0 100.1 126 1 100
48 39 152.0 126.0 150 1 100
54 43 171.0 139.0 162 1 100
60 48 208.0 160.0 180 1 100
66 52.8 230.0 172.0 198 1 100

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