The equipment is used in Single Line / double Line Block Circuit for protection of instrument & staff from influence of 25KVAC electrified section. The equipment comprises of Protective chokes , 4-terminal condensers and Rare gas lightning dischargers.
The equipment comprises of the following:
i) Protective Chokes- L1, L2, L3 and L4 |
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ii) 4-Terminal Condensers C1 and C2 |
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iii) Rare Gas Lightning Dischargers N1 & N2 |
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Input Voltage : |
600V AC |
Insulation Resistance : |
100MΩ with 500VDC. |
AC Immunity : |
Output <2.5V across 600Ω Impedance at Input 600V 50Hz. |
Operating Temperature Range : |
-10 °C to +70 °C. |