B – Connectors for rail vehicle

Maximum 59 pole connector for power and control circuits on rail vehicles

B Series
B Series

The connectors, series B, have been designed especially for the demanding railcar environment. They are superbly suited for power and control circuits on road and rail vehicles alike.
An integrated interlocking circuit ensures that voltage is applied to the power circuit only when all covers are closed and all plugs have been mated or inserted into their respective dummy receptacles.


  • Rugged mechanical and electrical design
  • Universally usable connectors for power and control circuits
  • Easy replacement of components
  • Easy assembly resulting in short assembly times
  • Mechanically locking connector
  • Integrated interlocking circuit to protect personnel from contact with dangerous voltages


  • Connection of supply line and control cable of railway vehicles


B series
Number of contacts59+PE max., depending on configuration
Rated voltage (IEC 60038)500 V max., depending on configuration
Rated current IeMain contacts: 400 A max., depending on configuration / control contacts: 35 A max., depending on configuration
Contact resistance< 10 mΩ
Insulation resistance> 100 MΩ
Standard IEC 60068-1: tmin[°C]/        tmax[°C]/ttesting time[days]-25/70/21
IP rating (IEC 60529)IP54
Mechanical endurance1,000 cycles
Temperature range-40° C ... +85° C
Material, shellsAluminium die-cast, RAL7031
Material, insertsThermoplastic / Thermoset
Material, sealsPerbunan, Neoprene
Shells, flammability rating
Contact terminal typeScrew / crimp / solder (depending on configuration)
Contact materialCopper wrought alloy
Contact finishAll contact inserts: silver / 59+PE: silver/nickel
CouplingInterlock circuit (handle)
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B – Connectors for rail vehicles