Rolling Stock Cables For Electric & Diesel Train

Siechem 4C x 0.5 Sq.mm MVB Cable B514W0604

MVB cable is a specialized communication
cable used in railway and transportation
system for reliable data transmission between
on board equipment
High – speed rail and locomotive applications
worldwide

Voltage rating : 300 V AC
Temperature range : -40 to +90 ºC
Test Voltage : 2kV for 1min
Differential distributed capacitance
mutual (wire to wire) at 1 MHz : ≤46 pF/m
Capacitance Unbalance to
shielded : ≤1.5pF/m
Insulation Resistance :
i) Core to Core : ≥ 150 at 20°C
ii) Core to Screen : ≥ 150 at 20°C
Characteristic impedance
(f = 0.5 to 2 MHz) : 120 ± 10 %Ω
Attenuation (Maximum Values)
f = 1.5 MHz : ≤ 15 dB/km
f = 3 MHz : ≤ 20 dB/km
Cross Talk Rejection (2 pairs in quad cable)
(0.75 to 3 MHz) : >45 dB
Transfer impedance at
20MHz : ≤ 20 mΩ/m
Differential Transfer Impedance
(at 20 MHz) : ≤2 mΩ/m
Velocity of propagation : 70 ± 5
Fire Resistant : As per EN 45545-2
EN 50200 (Test time is for 15minutes)

Part Number	No. of cores x Nominal Cross Sectional Area	No. of Strands/Strand dia (Nom.)	Thickness of Insulation (Nom)	Core Dia Nom (mm)	Thickness of Tape Nom	Screen Wire dia (Nom)	Thickness of Outer Sheath (Nom.)	Overall Diameter of Cable (Nom.)	DC Conductor Resistance 20°C (Max)	Approx Cable Weight
	Sq.mm	Nos./mm	mm	mm	mm	mm	mm	mm	Ω/km	kg/km
B514W0604	4 x 0.5	19/0.16	0.6	2.4 ± 0.1	0.035	0.1	0.8	8.9 ± 0.3	40.1	125

** We have obtained various approvals, accreditation, and certifications – some of which may not be relevant to this catalog.