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Unit type protective device for Shinkansen signals UP-41 type

 

Unit type protective device for Shinkansen signals UP-41 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.

【Dimensions】 W350×D170×H140

 
 
Main performance characteristics
 
Item Performance characteristics
Frequency characteristics 0.5 to 1.5kHz
Operating level (dBm) 40×4 wave

Impedance ratio
primary side (T side): Secondary side (L side)

600Ω:350Ω
Impedance deviation 350Ω±7%
Operating attentuation 0.8dB 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)

5kV or more

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)
T side:1,000V±150V
L side:1,200V±200V
Current withstand capacity AC T side:70A・20s・20 times
L side:50A・0.1s・20 times
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:1,000V±200V
L side:1,200V±250V
Vibration resistance JIS E 3014 “Railroad Signal Safety Components - Vibration Testing Method” Type 2
Weight 5.8kg
 
 

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