SPD for rail lines/SW-300E

SW-300E
The safety device can protect the equipment from the impact of abnormal voltage such as lightning surge and opening and closing surge generated on the track line and power line, and has the function of deterioration.

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Product Details

Specification Parameters

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The safety device can protect the equipment from the impact of abnormal voltage such as lightning surge and opening and closing surge generated on the track line and power line, and has the function of deterioration.

Item	Performance
Dc discharge starting voltage	490±70V
Impulse discharge starting voltage	Up to 800V (10/200μs 3KV applied)
Limiting voltage	10/200μs 200A 725V or less (after 10μs)
Maximum impulse current tolerance	10/200μs・3kA
Impulse cycle current tolerance	10/200μs 500A 200 times
Dc discharge starting voltage after shock life test	490±115V
Withstand voltage Between terminals and metal accessories	Ac 7kV / min
Insulation resistance between L to E terminals, terminals and metal accessories	More than 100MΩ (DC250V)