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Bộ thiết bị bảo vệ cho tín hiệu Shinkansen

 

Unit type protective device for Shinkansen signals UP-11C type

拡大

 

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

Design registered product

【Dimensions】 W350×D170×H130

 
 
 
Main performance characteristics
 
Item Performance characteristics
Frequency characteristics 0.5 to 1.5kHz
Operating level (dBm) 40×2 wave

Impedance ratio primary

side (T side): secondary side (L side)

600Ω:350Ω
Impedance deviation 350Ω±7%
Operating attentuation 1dB or less
Cross modulation product 30dB or more
Coil Capacitance 250pF or less
Withstand voltage
AC 1 min.
Between T1, T2 and L1, L2 25kV
Between C1, C2, C3, C’ and L, L’ -
Between C1, C’ and L, L’ -
Between T1, T2 and (base mount metal plate) 25kV
Between L1, L2 and (base mount metal plate) -
Between each terminal and (base mount metal plate) -
Insulation resistance
DC500V
Between T1, T2 and L1, L2 50MΩ or more
Between C1, C2, C3, C’ and L, L’ -
Between C1, C’ and L, L’ -
Between each terminal and (base mount metal plate) 50MΩ or more
Line operating voltage
AC wave peak (DC value)
700±100V
Current withstand capacity AC 70A・20s・20 times
700±160V
Over-current withstand capacity AC T side:500A・0.3s・10 times
L side:-
Line operating voltage after testing
AC wave peak (DC value)
T side:700V±160V
L side:-
Vibration resistance JIS E 3014 “Railroad Signal Safety Components - Vibration Testing Method” Type 2
Weight 5.2kg