AG 400 relay – Gold plated, 4 contacts


The AG 400 relay has 4 double make / double break C/O contacts (form Z). The contacts are gold plated on hard silver. This relay is used when dry circuits route to socket are not identified.
The plug-in design offers secure locking feature for maximum ease of maintenance (no wires need to be disconnected or other hardware removed for relay inspection or replacement). The resistance to impact and vibration is conform to standards in force for Railway Transported Equipment.
Positive mechanical keying of relay to socket is built into relay and socket during manufacture and terminal identifications are clearly marked on identification plate that is permanently attached to the relay.
The AG 400 relays is pluggable in the following sockets: EA 102 A, EA 102 AF, EA 103 AF, EA 104 A, EA 104 AF, EA 105 AF, EA 112 AF.


The AG 400 relay is designed for low level signals switching in dry circuit signal information. The relay is equipped with a contact pollution barrier in case of
mixed load operation.


  • Instantaneous relay
  • Plug-in design with secure locking feature for maximum ease of maintenance
  • 4 double make / double break C/O contacts (form Z), gold plated on silver
  • Contact life (mechanical) of 100 million cycles
  • -40 °C…+80 °C operating temperature • Contacts cross pollution barrier
  • Optional weld no transfer function


  • Proven reliable
  • Long life cycle
  • Easy to maintain and replace
  • Low life cycle cost
  • No maintenance

Railway compliancy

  • NF F 62-002 Rolling stock – Instantaneous relays contacts and sockets
  • NF F16-101/102 Fire behaviour – Railway rolling stock



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