Fuse switch disconnectors with electronic fuse monitoring NLE

  • Fuse switch disconnectors NLE consist of two main components, the disconnector base with lower contact protection with spring pressure contact and a removable hinged lid in which the electronic fuse monitoring is integrated, encapsulated and safe to touch.
  • The electronic fuse monitoring consists of three power supplies connected parallel to the fuse cartridges which drive via optocouplers the actual electronics. The supply voltage of the electronic draws its power from the mains L1 and L3, safeguarded. Thereby, the supply of the fuse breaker must always be carried out from above.
  • The electronics includes a signaling relay which is equipped with 1S and 1NC.
  • 3 red LED indicator lights for each of the three phases which is a visual alarm for a tripped circuit breaker cartridge and 1 green operating LED indicator light.
  • The voltage range of the electronic fuse monitoring is between AC 300V and 690V between L1 and L3. The alarm relay contacts could be connected with an AC 400V and maximum 8A.
  • The electronic fuse monitoring is available in a monostable and bistable variation.

NLE 00

Fuse switch disconnectors with electronic fuse monitoring NLE 00

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NLE 1

Fuse switch disconnectors with electronic fuse monitoring NLE 1

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NLE 2

Fuse switch disconnectors with electronic fuse monitoring NLE 2

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NLE 3

Fuse switch disconnectors with electronic fuse monitoring NLE 3

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