Earthing and short circuit devices, voltage detectors, sectioning and operation insulating sticks, insulating materials and individual protective equipment
SAFETY AND PROTECTION IN THE MANAGEMENT OF THE RAILWAY TRACTION
RAYLWAYS| SUBWAYS| TRAMWAYS | TROLLEY-BUS
System for the voltmetrical protection of the catenary-contact lines at 3 kVdc – upper case having 125 kV insulated pulsed voltage
No. 1 upper case with dimensions: length 460 x height 730 x width 300 for the storage of the volt-metric divider made of molded fiberglass (SMC) with side and front ventilation openings, provided with pole rest a in zinc plated steel (Dis. E.70267) Cat. 794/070
No. 1 silicone pass through insulator (Dis. E.70269) for the connection between the line contact line and the voltage divider.
No. 1 Protection fuse for the volt-metric circuits 24 kV, 0,63 A, ceramic type, complying to the IEC 282-1 standard, Cat. 794/668 with the relevant fuse holders and protection fiberglass cover (Dis. E. 70279) Cat. 794/667
No. 1 Resistive divider with Nominal value 120 kohm ± 2% installed between the fiberglass protection elements on insulating plate in epoxy glass (Dis. E. 70273). Cat. 794/071
Permanent continuous voltage: 4,5 kV
Pulsed voltage 1,2 / 50 μs: 125 kV
No. 1 Radiator for the varistors made of anodized aluminum with No 2 varistors having: – Maximum effective tension: 130 V ac – Maximum tension in dc: 175 V dc. – Energy dissipation 10/1000 μs: 70 J – Peak current 8/20 μs: 6500 A (Dis. E70274) Cat. 794/224 e 794/225
No. 1 lower case, dimensions: length 500 x height 435 x width 200 for the storage of the volt-metric relay, made of molded fiberglass (SMC) with side ventilation openings, provided with zinc plated steel bracket. (Dis. E.70275)
No. 1 Relay for the highest / lowest voltage 3 kVdc complying with the Technical No.rm STF TE 155 (Dis. E. 70280) wired and installed with terminal block on insulated plate. Cat. 794/267
No. 1 Flexible pipe of polyamide 6, diameter 42,5 and length 7 m for the protection of the connecting pipes with 5 collars having diameter 44 in AISI 303 steel, for the tightening of the pipe on the stick.