Author Archives: Groesslinger

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Motorchoke / Motorchoke plusDMD 10 up to 1500Hz acc. IEC/DIN EN61558-2-20 and UL1446

Applications and description

By using a motor choke from the Schmidbauer DMD series, the capacitive recharging currents are suppressed when using shielded motor cables. This increases the service life of the engine. In addition, the motor noise is reduced when the current changes.

The use of high-quality raw and insulating materials in accordance with our UL insulation systems class B and F as well as careful processing Made in Germany guarantee a long service life.

Schmidbauer UR-Isolationssystem acc. UL 1446  File E181051



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LCL Filter


Applications and description

LCL filters are used to connect AIC (active infeed converter) and AFE (active front end) drives to the mains. Continue reading

GN GGN (1-phase)



24V DC power supplies based on the proven, reliable and robust 50Hz technology. The output voltage of these unregulated power supplies meets the requirements of DIN19240 with mains fluctuations of ± 10% of the supply voltages, the residual ripple of the output current is below 5%, typically about 3%. Continue reading

Railway Transformers


Fields of applications

Railway transformers for generall applications such as safe isolation of vehicle power supply.

Isolating transformers secure safe galvanic separation between primary and secondary winding. Continue reading