Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H51/00—Electromagnetic relays
  • H01H51/34—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H51/00—Electromagnetic relays
  • H01H51/30—Electromagnetic relays specially adapted for actuation by ac
  • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Electromagnets (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6548457

Family Applications (1)

Country Status (3)

• 0
  • NL NL49985D patent/NL49985C/xx active
  • BE BE425676D patent/BE425676A/xx unknown
• 1938
  • 1938-01-10 GB GB778/38A patent/GB513575A/en not_active Expired

Also Published As

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