Scope and field of application
This device is used for power supply of relay electric interlocking, HAI and automatic blocking systems, as well as power supply of communication, illumination and air conditioning devices, LCSS and other loads.
Main features
This device is used for power supply of relay electric interlocking, HAI and automatic blocking systems, as well as power supply of communication, illumination and air conditioning devices, LCSS and other loads.
Main features
- connection of at least three external three phase power sources (2 feeders and a redundant standalone power plant);
- automatically switching from one external power source to another whenever the power disappears or no longer meets the voltage requirements;
- galvanic isolation of signalling equipment loads from external power supply devices;
- guaranteed load power supply;
- continuity of power supply loads connected to the UPS for a specified duration of time from batteries, when switching to a different external power supply or when disconnecting them;
- automatic and manual switching of power supply devices for electric interlocking system equipment, bypassing UPS during maintenance;
- power supply to signalling systems: 24 V power supply to racks, relay cabinets, (coded) track circuits, light signals and route indicators, AC and DC power supply systems, off-tower circuits, remote-control machines and other signalling loads;
- indication and transmission of status information to TDMS and remote-control machines.