Rolling Stock Cables For Electric & Diesel Train

Siechem 2C x 0.5 Sq.mm MVB Cable

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
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
shield : ≤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
Smoke Emission, %light
Transmittance : >70%
Toxicity Index : <3

Part Number	No. of cores x Nominal Cross Sectional Area	No. of Strands/Strand dia (Nom.)	Thickness of Insulation (Nom)	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	Ω/km	kg/km
B5380602	2 x 0.5	19/0.18	0.5	0.035	0.1	0.6	6.5 ± 0.3	40.1	60

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