SPD for rail lines/ST-[ ]

ST-[ ]
These SPD protect signal cables and equipment from abnormal voltage shocks applied to various track lines.

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These SPD protect signal cables and equipment from abnormal voltage shocks applied to various track lines.

Item	Performance
Item	ST-200	ST-300	ST-400	ST-500	ST-2500
use	Track line (Except AF track line)	AF Track line (except centralized equipment)	AF Track line (Equipment centralized)	100Hz、AF For overlapping track lines (Equipment centralized)	Monorail track line
Discharge starting voltage	DC290V±50V	DC490V±70V	DC550V±100V	DC700V±100V	AC2～3kV
Shock protection level	Below 750V (Applied at 10/200μs · 3kV)	Below 800V (Applied at 10/200μs · 3kV)	Below 1.4kV (Applied at 10/200μs · 3kV)	Below 1.6kV (Applied at 10/200μs · 3kV)	—
Cycle current tolerance	AC50A, 0.1s 3 minute intervals of 20 times 10/200μs·400A·3 minute interval, more than 300 times		AC20A,80s 10 minute interval 30 times		AC2kA、0.2s Electric short circuit
Size（mm）	W100×D20×H67		W60×D120×H73.5		Φ48×180(Full length 1800: including wire)
Mass（g）	150		560		1300