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
High speed train volt-metric system for the protection of the boundary places (POC) – side 3 kVdc
No. 1 Upper case, dimensions: length 460 x height 730 x width 300, to be used for the storage of the volt-metric divider, made of molded fiberglass (SMC) with side and front ventilation openings, provided with zinc plated steel bracket. (Dis. E.70267) Cat. 794/070
No. 1 cross over silicone insulator (Dis. E.70269) for the connection between the electrical traction line and the volt-metric divider.
No. 1 Protection fuse of the volt-metric circuit 24 kV, 0,63 A ceramic made, complying to the No.rm IEC 282-1, Cat. 794/668 with the relevant fuse holder supports and fiberglass protection cover (Dis. E. 70279) Cat. 794/667
No. 1 resistive divider with nominal value 4 x 13,3 Kohm ± 2% installed between protection fiberglass elements on insulating plate in epoxy glass (Dis. E. 70273).
Permanent continuous voltage: 4,5 kV
Impulsive voltage 1.2 / 50 μs: 125 kV
No. 1 Radiator for varistors in anodized aluminum with No. 2 varistors having: – Maximum effective voltage: 130 V ac – DC maximum voltage: 175 V dc – Dissipated energy 10/1000 μs: 70 J – Peak current 8/20 μs: 6500 A (Dis.E70274) Cat. 794/224 and Cat. 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 pole rest in zinc plated steel. (Dis. E.70275)
No. 1 volt-metric on/off relay, stable, instantaneous with 2 n. o. contacts and 4 n. c. contacts, model RV LV 16/5 installed on a Bakelite plate.
No. 20 terminals UK5 Phoenix Contact for the wiring.