Disconnecting Switches
Wabtec´s disconnecting switches are designed for roof-mounted integration into the pantograph structure or on-board installation. The space- and weight-saving devices protect by earthing function 1,5 kV and 3 kV circuits during operation under AC overhead lines.
Compliant with IEC 60077, EN50388, EN45545-2 and NFPA130
Customer Benefits
On-Board switch:
- 5 years maintenance-free
- 50% space- and weight-saving solution (in comparison to standard roof-mounted solutions)
- Emergency manual control included
Roof-mounted switch:
- Robust design to withstand repeated overcurrent
- Modular solution easily adaptable to different configurations
- Integrated surge arrestor and revolving head for rigid HV connection
On-board disconnecting-earthing switch:
- Designed for all AC and DC catenary systems.
- Available actuation systems:
- Electric drive
- Manual operation in emergency mode
- Designed to resist high humidity and extreme weather conditions
Roof-mounted switch:
- Robust contact head to withstand 100 kA short circuits
- Connecting pantograph to DC circuits
- Earthing DC circuits under AC catenary
- Standardized catalogue solution
Technical data “on-board switch”
- Temperature range: -25° C to +70° C
- Rated voltage: up to 25 kV AC
- Control voltage: (24, 72) 110 V DC
- Overvoltage category, EN 50124-1: OV3
- Pollution degree, EN 50124-1: PD3
Technical data “roof-mounted switch”
- Temperature range: -50°C to 70°C
- Pollution degree, EN 50124-1: PD4
- Overvoltage category, EN 50124-1: OV3 or OV4
- Short circuit withstand, EN50388: Icc 100 kA peak
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