SAFETY AND PROTECTION IN THE MANAGEMENT OF THE RAILWAY TRACTION
RAYLWAYS| SUBWAYS| TRAMWAYS | TROLLEY-BUS
Earthing and short circuit device for MT plants in bare conductors of railway substations – AC/DC side
Composition:
| No. 3 brass clamps with hexagonal threaded coupling CH12, bayonet or DIN and tightening: – ø 3÷30 mm on cylindrical conductors – Thickness 0÷30 mm on flat bars – Spherical fixed points ø 20 and 25 mm |
| No. 3 copper cables sec. 25/50/95 mm2 length = 1÷5 m covered with silicone sheath |
| No. 1 insulated three-polar connector |
| No. 1 earthing cable sec. 16/25/35 mm2 and length = 0÷2 m covered with silicone sheath |
| No. 1 earthing brass clamp with screw tightening thickness 0÷50 mm and/or spherical fixed points ø 20/25 mm |
| No. 1 insulating telescopic stick, length = 1/1,5 m in two/three parts 1,5 m long each, joinable with aluminum joint and stop ring |
| No. 1 metal box |
| No. 1 nylon bag with shoulder belt for the stick |
Download technical sheet
In accordance to STD IEC 61230
Ref./Conf. STF RFI DPRIM STF SS 020
Our Mod. PPF25/30 D/B/E
| Cable sec. mm2 | Icc 0,2s | Icc 0,5s | Icc 1s |
|---|---|---|---|
| 25 | 13,7 kA | 8 kA | 5,6 kA |
| 50 | 22,5 kA | 18 kA | 12,7 kA |
| 95 | – | 35 kA | 25,2 kA |