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Surge Arrestor - 10 Ka CL 1 - ID

This document provides the technical specifications for 10 kA Class 1 indoor surge arresters with voltages ranging from 3 kV to 36 kV. Some key specifications include: - The arresters have a rated discharge current of 10 kA and are classified as long duration class 1. - Their housing material is silicone rubber and they have insulation withstand levels of 15-70 kV for power frequency and 45-170 kV for lightning impulse. - Residual voltages are provided for various impulse currents, with values ranging from 7-126 kV for steep current and 8-88 kV for switching current. - Other capabilities include withstanding high currents of 100 kA, energy handling of 2 k

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576 views1 page

Surge Arrestor - 10 Ka CL 1 - ID

This document provides the technical specifications for 10 kA Class 1 indoor surge arresters with voltages ranging from 3 kV to 36 kV. Some key specifications include: - The arresters have a rated discharge current of 10 kA and are classified as long duration class 1. - Their housing material is silicone rubber and they have insulation withstand levels of 15-70 kV for power frequency and 45-170 kV for lightning impulse. - Residual voltages are provided for various impulse currents, with values ranging from 7-126 kV for steep current and 8-88 kV for switching current. - Other capabilities include withstanding high currents of 100 kA, energy handling of 2 k

Uploaded by

kapil
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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MECOL INDUSTRIES

S. No. 691/A, H. No. 1B, Bibvewadi, Pune Satara Road, PUNE : 411009
TEL : 020 – 24482025

Guaranteed Technical Particular / Technical Data Sheet for 10 kA Class 1 Indoor Surge Arrester.

Sr. Description Unit Specifications


No.
1 Rated Voltage of the Arrester kV
3.0 6.0 7.2 9 12 15 18 21 24 27 30 33 36
rms
2 System Voltage kV
3.3 6.6 6.6 11 11 11 22 22 22 33 33 33 33
rms
3 Maximum System Voltage kV
3.6 7.2 7.2 12 12 12 24 24 24 36 36 36 36
rms
4 Maximum Continuous Operating Voltage (MCOV) kV
2.55 5.1 6.1 7.65 10.2 12.8 15.3 17.9 20.4 23.0 25.5 28.0 30.6
rms
5 Housing Material --- Silicone Rubber
6 Rated Frequency Hz 50 / 60
7 Nominal Discharge Current (NDC) kAp 10 10 10 10 10 10 10 10 10 10 10 10 10
8 Long Duration Class --- 1 1 1 1 1 1 1 1 1 1 1 1 1
9 Insulation withstand of an housing
i) 1 minute Power Frequency Voltage kVrms
15 21 21 27 27 50 50 50 50 70 70 70 70
ii) Standard lightning Impulse Voltage (1.2/50µ kVp
45 60 75 75 75 125 125 125 125 170 170 170 170
sec.)
10 Steep Current Impulse Residual Voltage at NDC kVp 11.2 22.6 28.2 34 45.3 54.0 65.5 75.6 90 97.4 105.0 115.8 126
11 Lightning Current Impulse Residual Voltage at kVp
i) 0.5 NDC 9.3 18.6 23.2 28.0 37.3 44.6 54.0 62.4 74.0 77.4 88.0 96.9 106.0
ii) 1.0 NDC 10.0 20.0 25.0 30.0 40.0 48.0 58.0 67.2 79.0 86.4 96.0 105.6 115.0
iii) 2.0 NDC 11.3 22.6 28.2 34.0 45.3 54.3 65.5 76.0 90.0 97.7 105.0 115.9 126.0
12 Switching Current Impulse Residual Voltage at kVp
i) 125 Ap 7.3 14.7 18.3 22 29.3 25.2 43 43 58.0 62.6 66.0 73.0 79.6
ii) 500 Ap 8.0 16.0 20.0 24 32.0 38.4 46 57.4 64.0 69.1 73.0 80.7 88.0
13 High Current Impulse withstand capability kAp 100 100 100 100 100 100 100 100 100 100 100 100 100
14 Energy Handling Capability kJ/kV 2 2 2 2 2 2 2 2 2 2 2 2 2
15 Voltage Vs Time characteristic (TOV capability) for kVrms
i) 0.1 second 3.7 7.3 8.8 11.0 14.7 18.4 22.0 25.8 29.4 33.1 36.8 36.8 44.2
ii) 1.0 second 3.6 7.1 8.5 10.6 14.1 17.7 21.2 24.7 28.2 31.8 35.3 35.3 42.4
iii) 10 seconds 3.4 6.7 8.1 10.1 13.5 16.9 20.2 23.7 27.0 30.4 33.7 33.7 40.4
iv) 100 seconds. 3.2 6.5 7.8 9.7 12.9 16.2 19.4 22.6 25.8 29.0 32.3 32.3 38.7
16 Reference current mAp 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
17 Reference Voltage at reference current (≥) kVrms 3 6 7.2 9 12 15 18 21 24 27 30 33 36
18 Internal Partial Discharge (≤) pC 10 10 10 10 10 10 10 10 10 10 10 10 10

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