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  1. Metoree
  2. Surge Countermeasures
  3. Lightning Arresters
  4. Track circuit protector SW-300 series (Sankosha Co., Ltd.)
Track circuit protector SW-300 series-SW-300E type
Track circuit protector SW-300 series-Sankosha Co., Ltd.

Track circuit protector SW-300 series
Sankosha Co., Ltd.

Sankosha Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

13.0hours

Relatively Fast Response

About This Product

Protective devices for track circuits in railway signal equipment. This protector is used to protect equipment from abnormal voltages such as lightning surges and switching surges that occur in track circuits, power supply circuits, etc. ■Features ・This product is easy to maintain because it has a deterioration display function. -Also available with alarm contact. ・Used in combination with detonator holder with mounting plate.

  • Product

    Track circuit protector SW-300 series

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2 Models of Track circuit protector SW-300 series

Items marked with have different values depending on the model number.

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Product Image Part Number Price (excluding tax) Discharge starting voltage Function Impulse protection level Mass Size
Track circuit protector SW-300 series-Part Number-SW-300E type

SW-300E type

Available upon quote DC490V±70V Deterioration display 800V or less (10/200μs, 3kV applied) Approximately 80g W100mm×D20mm×H80mm
Track circuit protector SW-300 series-Part Number-ST-300V type

ST-300V type

Available upon quote DC490V±70V Deterioration display, alarm contact 800V or less (10/200μs, 3kV applied) Approximately 90g W100mm×D20mm×H80mm

Click on the part number for more information about each product

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Sankosha Co., Ltd.

  • Japan

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