Timer relais

FDG-U200 relay - Flashing, 2 solid state contacts



Plug-in electronic railway pulsing relay with two solid state contacts in counterphase. The pulse time and interval time are equal. There is no galvanic isolation between coil circuit and contacts.
The construction of the relay and choice of materials makes the FDG-U200 relay suitable to withstand low and high temperatures, shock & vibrating and dry to humid environments.
No external retaining clip needed as integrated ‘snap-lock’ will hold relay into socket under all circumstances and mounting directions.
Compact design and a wide range of sockets make the FDG-U200 relay an easy and flexible solution to use.


These relay series are designed for demanding rolling stock applications. The FDG-U200 is designed to switch two sets of incandescent lamps (84 W maximum).


  • Flashing relay (symmetrical)
  • Compact plug-in design
  • Solid state contacts 1 N/O and 1 N/C in counterphase
  • Fixed pulse and interval time
  • Flat, square and silver plated relay pins for excellent socket connection
  • Wide range sockets
  • Integrated snap lock
  • Transparent cover
  • Optional positive mechanical keying relay to socket


  • Proven reliable
  • Long term availability
  • Easy to maintain
  • Low life cycle cost
  • No maintenance


  • EN 50155 Electronic equipment used on rolling stock for railway applications
  • IEC 60571 Electronic equipment used on railway vehicles
  • IEC 60077 Electrical equipment for rolling stock in railway applications
  • IEC 60947 Low voltage switch gear and control gear
  • IEC 61373 Rolling stock equipment - Shock and vibration test
  • IEC 60947-5-4 Electromechanical components for control applications. This standard examines both coil and contact specifications in depth
  • NF F 16-101/102, TS 45545-2 Fire behaviour - Railway rolling stock
  • NF F 62-002 On-off contact relays and fixed connections



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Railway rolling stock
Railway signalling