Spark quenching

Spark quenching:

  • Reduction of EMC interference
  • Reduces sparking at contacts

Reduces sparking at switching contacts when switching off inductive loads (AmPnBsP) on the DC side;

  • Voltage limitation according to VDE 0580 2000-07 para. 4.6
  • Reduction of EMC interference by limiting the voltage rise, suppression of switching edges
  • Reduction of braking incidence times by a factor of 2 - 4 compared to free-wheeling diodes 

The damping element limits voltage peaks, which occur when switching off inductive latencies and can lead to damage to insulation and contacts, to 70 V and reduces the contact load. As a rule, scanning elements are used with a contact opening of

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