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ARS 630 KVA pro IN=910 A, UN=400 VV VERTICAL FUSE SWITCH DISCONNECTOR

ARS 630 kVA pro is inten­ded for installation in low voltage distribution boards installed in transformer substations and dedicated for protection of transformers up to 630 kVA. It is designed for operation with NH fuse links of size 3, with gTr characteristic. Fuse links with gTr characteristic are able to conduct current of 1,3 times transformer rated current for at least 10 hours.

  • parallelly moving, double contact system,
  • two arc chutes installed in each pole 2 are equipped with metal plates that stretch and further split electric arc during switching off of the circuit,
  • main base of fuse switch disconnector ARS pro is made of halogen free, fibre glass strengthened, self extingu­ishing, thermoset polyester of V0 flammability class,
  • other plastic parts of fuse switch disconnectors ARS pro are made of fibre glass strengthened, thermoplastic polyamides with halogen free flame retardant added; thanks to such addition the highest flammability class – V0 was achieved,
  • silver plated contacts provide low power loss and high conductivity,
  • for installation on to 185 mm busbar system,
  • triple pole switching (three poles at the same time) or single pole switching (separately each pole),
  • fuse switch disconnectors width: 100 mm,
  • possible cable connection: two M12 screw for each pole.

 

 

  • ARS pro and ARS switch disconnectors tests
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  • Safe and fast fixing of ARS pro and ARS fuse switch disconnectors
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