On Board Disconnector Switch

25kV On Board Disconnectors Switch

On Board Disconnectors HAS range 25kV (1000Amp)

For more than 100 years, Mersen have been providing the market with safe, reliable and longer life time off-load disconnectors. These devices offer high performances and robustness for heavy duty requirements 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 HAS High Power Switches are rigorously engineered to meet your technical specifications. Operation : They can be operated manually or with an adapted motor (see list) up to 25.000 cycles. Signaling, Terminal Box or Locking system can be studied and customised. Small making or braking capacity (under request) Maximum frequency up to 175Hz Indoor in a currentless state



  • No Load Operation
  • Indoor Type - Horizontal axis mounting
  • Configuration with 1 pole
  • Mechanical endurance : 25.000 cycles (1 cycle = open + close)
  • Temperature rise at nominal current is less than 60°K (with 40°C max. ambient temperature)
  • Electrical contact by contact blades with pressed-on Hard Silver Contact Rivets and silver-plated
  • Supporting insulators made of cast epoxy resin (fire classification according to UL94-V1)
  • Large isolation air and creepage path
  • Self-cleaning blade contacts
  • True opening and visible distance
  • Rugged anti-torsion construction
  • Full customisation with :
  • - Manual, motor
  • - Auxiliary switches, blocking magnets, locking devices
  • - Dimensions and Fitting


  • Size per Standard HAS 1000A (higher rating on request)
  • Speed / Characteristic Around 5 sec with motor operation
  • Number of Poles 1
    more under request
  • Application On Board Disconnector for 25kV Locomotives
  • ROHS Compliant Consult Technical Services
  • Lead Free Consult Technical Services
  • CE conformity Yes


  • HAS101P1000A25KV


Where to buy


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