Transcription of realised with Resistor Varistor RC-circuit
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Example: air traffic controller
realised with Resistor Varistor RC-circuit
80 Arc extinguishing, arc suppressionIf the upper limit of the arcing voltage which depends on the switching current and contact material is exceeded, the relay contact dischargescurrent, leading to material degradation in the contacts. To ensure that contacts perform reliably over a long service life despite this unfavourablephenomenon, circuitry must be designed to include measures to suppress arcing for a given ( s)Course of voltage at relay contactwith inductive loadVoltage (V)GlowshowerArc10mA234568100mA1nF234568 1A23456810A24610nF2460,1 F2461 F24610 F5122030607,51015245080100200500246810 1 2468100 24681k 246810k RCURCIUArc suppression with RC-circuitDiagram for determining optimum valuesConsumerExample.
82 Contact force Contact force is the force that the contact components exert on each other is a closed state. Contact springs The majority of relays feature contact springs.
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