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SAFETY AND PROTECTION IN THE MANAGEMENT OF THE RAILWAY TRACTION

RAYLWAYS| SUBWAYS| TRAMWAYS | TROLLEY-BUS

Earthing and short circuit equipment for MV systems on round bare conductors or bars of LV/MV substations or HV/MV substations MV side

COMPOSIZIONE:

No. 3 light alloy clamps with screw tightening with hexagonal head CH12 or DIN:
– ø 5÷40 mm on cylindrical conductors
– Thickness: max 60×50 mm on flat bars
– Thickness: max 35 mm on slanting bars
– Thickness: max 25×60 mm on spherical fixed points ø 20/25 mm
N°. 3 copper cables sec. 25/50/95 mm2 length = 0,8 m covered with silicone sheath
N°. 1 three ways insulated connector
N°. 1 earthing copper cable sec. 16/25/35 mm2, length = 2 m covered with silicone sheath
N°. 1 brass earthing clamp with screw tightening thickness 0÷40 mm and spherical fixed points ø 20/25 mm
N°. 1 telescopic insulating stick, length=1/1,5m or in two elements with length 0,75 m each, with simplex joint
Optional:
– n°.1 metal box
Earthing and short circuit equipment for MV systems on round bare conductors or bars of LV/MV substations or HV/MV substations MV side
Download technical sheet

In accordo STD IEC 61230 e EN 50110-1
Rif./Conf. ENEL DISTRIB. – Ns. Mod. MT50 ± RIV.MT

Cable sec. mm2

Icc 0,25s Icc 0,5s Icc 1s
25 13,7 kA 8 kA 5,6 kA
50 22,5 kA 18 kA 12,7 kA