4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Arc suppression at switching point

William Weizhong Chen

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Circuit breakers with PTC (Positive Temperature Coefficient resi

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Patent

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Current limiting circuit breaker

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Interposed non-conductor
Reexamination Certificate

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Current limiting circuit breaker with positive temperature...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit interruption by thermal sensing
Reexamination Certificate

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Electrical contactor with positive temperature coefficient...

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Polarity-responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1861416

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