Direct schakelende relais

A 400 relay - 4 contacts



The A 400 relay has 4 double make / double break C/O contacts (form Z). 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 conforming the standards 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 A 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 A 400 relay is designed for general purpose heavy duty applications such as lighting, pumps and fans, offering as an option a weld no transfer design for safety critical applications such as door control, emergency brake failure,
interlocking traction and breaking.


  • Instantaneous relay
  • Optional weld no transfer contacts for safety critical applications
  • Plug-in design with secure locking feature for maximum ease of maintenance
  • 4 double make / double break C/O contacts (form Z), 8 A
  • Contact life (mechanical) of 100 million cycles
  • -40 °C...+80 °C operating temperature


  • Proven reliable in heavy duty application
  • 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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Railway rolling stock
Railway signalling