• 

  Sew R37 II2D DT80K4 / TF / II3D

• 

  Sew R77/II2D DT90L4/II3D

• 

  Derelek DDT2000

• 

  Satchwell DDT0001 obsolete, replaed by STD660

• 

  Crompton Greaves V0DDT0

• 

  Satchwell DDT1701 Obsolete, replaced by STP660

• 

  EAE ELEKTRİK VERTICAL COMPENSATING ELEMENT KBA 1356-B-DDT

• 

  EAE ELEKTRİK VERTICAL COMPENSATING ELEMENT KBA 2056-B-DDT