No-Load-Switches
Wabtec´s modular, no-load switches are designed for powerless reconnecting circuits of traction vehicles assembled in multi-pole configurations. Multi-pole and multi-position switching programs enable variable solutions for multi-system locos. The spring snap action mechanism helps operators switch levers.
Compliant with IEC 60077, EN50124-1 and EN50163 EN45545-2 and NFPA1
Customer Benefits
- Robust design
- Safe discharging
- Fully customizable to perfectly fit customer requirements
- Service-proven solution
Designs
- 750V, 1500V and 3000V DC applications
- Variable currents from 100A up to 2000 A
- Safe discharging up to 109 kA (up to 30 times)
- 2-4 lever-position options depending on the device type
- Cam, bridge or knife switch design
- Manual, electric or electro pneumatic control
- Various numbers of poles, positions and switching programs for both main and auxiliary contacts
Technical data
- Temperature range: -25° C to +50° C
- Rated voltage: up to 3 kV (DC)
- Nominal current: up to 2000 A
- Control voltage: (24, 72) 110 V (DC)
- Overvoltage category: OV2 or OV3 EN 50124-1
- Pollution degree: PD2 or PD3 EN 50124-1
- Number of poles: up to 18 poles integration
