The task of the waterproof roof line disconnector is to disconnect the AC connection line between the traction units. The disconnectors are operated manually, pneumatically or electrically.
|Nominal voltage||15kV / 25kV AC; 3kV DC|
|Periodic maximum voltage||30kV rms|
|Switching cycle duration||ca. 3s|
|Reliability MTBF||2,8 x 10 Mio. Hours|
|Power unit||pneumatic or electric|
|Actuating pressure||4 bis 10 bar|
|Air consumption per switching cycle||max. 2,5l|
|Weight||ca. 88 kg|
Environment & safety
|Ambient temperature||-35°C to +70°C|
|Shock and vibration resistance||to IEC 61373|
|Isolation||Creepage distance / stroke distance according to EN50124-1|
|Fire protection||Fire protection level 2 (DIN 5510)|
• In the roof
• On the roof
The roof line isolators can withstand high inrush current (load current).
Sensationally reliable and performance-optimised contact system, for safe switching. The electrical connection to the vehicle is made with highly flexible copper strands or busbars.