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Type of residual current B

Type B switches are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents at frequencies up to 150 kHz....

Type of residual current B

Type B switches are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents at frequencies up to 150 kHz....


Guide Basic circuits for electronic operating
equipment in accordance with
DIN VDE 0100 530 Annex A??

» AC full bridge circuit
» AC star circuit
» Full bridge circuit between external conductors
» Single-phase detection with smoothing

Systems with multiphase supplied frequency converters: Examples:
» Pumping, air conditioning and ventilation systems
» Escalators and elevator systems
» Medical devices
» Solar power plants
» Welding plants
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Technical informations

Type B switches are AC-DC sensitive. They protect against pulsating and AC residual currents, residual currents with mixed frequencies and smooth DC residual currents at frequencies up to 150 kHz. They have increased resistance to surge currents and bad weather conditions.