Earth fault protection protector (for power) No.
Sankosha Co., Ltd.
About This Product
■ Earth fault protection device for railway power related equipment
Prevention of ground fault points and rise in ground potential of rails in the event of a ground fault on AC electric train tracks, and prevention of potential rise in the substation grounding system in the event of a ground fault in the feeder line within the premises of an AC substation. This is a protector used to operate a protective relay.
■Main uses
・Station premises in AC electrified sections of BT system
・Station premises in AT system AC electrified sections
・For substations
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Product
Earth fault protection protector (for power) No.
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Handling Company
Sankosha Co., Ltd.
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Categories
4 Models of Earth fault protection protector (for power) No.
Items marked with have different values depending on the model number.
Click on the part number for more information about each product
| Product Image | Part Number | Price (excluding tax) | Current capacity | Dimensions (mm) | Discharge current | Discharge starting voltage | Mass (kg) | Method | Number of poles | Purpose |
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No. 2 |
Available upon quote | AC2kA, 0.4 seconds twice at 30 seconds intervals | Φ100×H140 (excluding terminals and mounting hardware) | 2kA | AC2.5kV±15% | 1.5 | Carbon gap type | 2 | For station premises in BT system AC electrified sections |
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No. 2 follow-on flow suppression type |
Available upon quote | AC2kA, 0.4 seconds twice at 30 seconds intervals | Φ100×H140 (excluding terminals and mounting hardware) | 2kA | AC2.5kV±15% | 1.5 | AV type protector + metal gap type | 2 | For station premises in BT system AC electrified sections |
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No. 3 |
Available upon quote | AC2kA, 0.4 seconds twice at 30 seconds intervals | Φ200×H255 (excluding terminals and mounting hardware) | 2kA | AC2.5kV±20% | Approximately 6.0 | Carbon gap type | 3 | For use inside stations in AT-type AC electrified sections |
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No. 4 |
Available upon quote | AC3kA, 0.5 seconds once | Φ200×H255 (excluding terminals and mounting hardware) | 3kA | AC3kV±15% | Approximately 8.0 | Carbon gap type | 2 | For substation |
Click on the part number for more information about each product
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About Company Handling This Product
- Japan