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Protective device for track circuitry  ST-2500 type



This is a protective device (arrester) that protects signal cables and equipment from irregular voltage that may enter track circuitry.

【Dimensions】φ 55 ×2 00 (excl. cable)

Main performance characteristics
Item ST-2500
Use for single track circuits
AC discharge spark-over voltage 2000 to 3000V
Impulse protection level -
Current withstand capacity AC2000A, 0.2s
Permanent short-circuit when power ON