High Current DC

Disconnectors Specific Electrolysis


For more than 100 years, Mersen has been providing the market with safe, reliable and longer life time off-load disconnectors.These devices offer high performances and robustness for heavy duty requierements with very limited maintenance. Mersen offers one of the largest product ranges on the market and is the global leader. Mersen has a switch solution that will meet your unique needs. Our standard HSE; HSD; HSLT; ZKS and DZKS High Current Switch product line is rigorously engineered to meet your technical specifications. Operation : They can be operated with a pneumatic piston or with an adapted motor (see list) up to 20.000 cycles. Signaling, Terminal Box or Locking system can be studied and customized. Acceptable ripple current at 2% Indoor in a currentless state Ambient air should not exceed +40°C (otherwise please consult) Altitude should not exceed 1000 m Relative humidity should not exceed 95%



  • No Load operation
  • Indoor Type - Horinzontal or Vertical axis mounting offering very compact design
  • Configuration with 1 pole on single (HSE) or double layer (HSD) for compact version, regular disconnector
  • Mechanical endurance 20.000 cycles (with respect to maintenance instructions)
  • Connexion plates in silvered Copper
  • Large customization possible with :
  • - connexion plate (length, fixing holes)
  • - Motor or pneumatic drives
  • - auxilaries switches, blocking magnets, locking devices
  • - dimension fitting


  • Application Power Control, Disconnection of Electrolysis application
    Dirty or corrosive environnement
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Consult Technical Services



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