Train chokes

Perfection down to the last detail

In the rail sector, chokes must meet a wide variety of requirements. To fulfill the diverse needs of our customers, REO offers various standard designs of chokes. Here you can choose between air chokes, iron chokes, and so-called jacketed core chokes. Each of the four choke types can be used in different applications due to its typical characteristics – we are happy to assist you with your selection!

Advantages of Chokes

  • The right Drossel for your application at all times
  • Developed and tested in accordance with IEC 60310
  • Vibration and shock tested in accordance with DIN EN 61373
  • Reduction of EMC problems
  • Pollution degree up to PD4A / protection class up to IP66 possible
  • REO manufactures in accordance with the European fire protection standard EN 45545
  • Customised solutions adapted to your application

Performance range of REO chokes



Type Air choke LD Iron chocke ED
Rated current DC/AC Up to 2500 AUp to 2500 A
Inductance Up to 100 mH (depending on the current)Up to100 mH
(depending on the current)
LinearityL(I) Constant Variable

* The development of components based on customer specifications is a matter of course for us

Air choke LD 100

Air choke LD 200

Iron chocke ED

Mantled chocke ED

Air chocke TD

Rod core choke SD

Type Air choke LD Iron chocke ED Air chocke TD Iron chocke ED Rod core choke SD Mantled chocke LFD
Linearity L(I) ★★★ ★★★ ★★★ ★★ ★★ ★★
Frequency behaviour L(f) ★★ ★★ ★★★ ★★★ ★★★ ★★
Size (energy density) ★★ ★★★ ★★ ★★★ ★★
Stray field (without shielding) ★★★ ★★ ★★★
Short-circuit resistance ★★★ ★★ ★★ ★★ ★★★ ★★
Price ★★★ ★★ ★★ ★★