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Medium Voltage Soft Starters

CENTRIS - Medium Voltage Solid State Soft Starters

Medium Voltage Soft Starter

Medium Voltage Soft Starter

  • Motor and starter protection is taken to a new level by combining a high-end motor protection relay with a heavy duty solid state starter.
  • Flexible control features and selectable ramping profiles to match any application… no need to compromise performance.
  • High level circuit isolation via fibre optics (standard on all units) for safety and power quality immunity.
  • Sealed NEMA 12/IP55 enclosures are standard equipment, not an expensive option.


Medium Voltage Soft StartersSoft start & protect any AC motor
The Centris Medium Voltage Soft Starter is designed to start AC motors in any fixed speed application. It provides maximum protection with “True Thermal Modelling,” while allowing smooth, stepless control of acceleration and deceleration. The Centris Starter guarantees power control and protection for your most important assets.

Heavy-duty attitude
Highest rated power devices for maximum current carrying capacity. Rated at 500% for 60 seconds, the Centris Medium Voltage Soft Starter will never be the limiting factor in your application. Powerful sustained gate pulse ensures reliable SCR firing without reactors (unlike inferior pulse train designs that require a reactor to prevent SCR and motor damage).





Medium Voltage Soft Starter Features and Benefits

  1. Advanced motor protection relay and ramp features programmable via the keypad or a laptop computer.
  2. Fibre optically isolated low voltage compartment with up to 110kV BIL rating for safety and reliability.
  3. Built-in 120V control power transformer*; voltage and current metering.
  4. Load-break / fault-make rated disconnect switch with door safety interlocking.*
  5. Visible grounding bar for safe operation.
  6. Coordinated motor fuses with blown fuse indicators.
  7. Line isolation vacuum contactor.*
  8. Fully rated bypass contactor for increased thermal capacity and optional across-the-line starting.
  9. Heavy duty SCR stack assemblies with ring transformer isolation for reliable SCR gate fixing.
  10. RTD Option accepts up to 12 RTD inputs.
  11. Zero sequence ground fault protection option.
  12. Top entry, bottom exit with room for stress cones. Removable entry plates for easy connections.
  13. NEMA 12/IP55 gasketed enclosure (NEMA 3R optional).

Medium Voltage Soft Starter Brochure Download

Download Brochure


Make an enquiry regarding Medium Voltage Soft Starters

Call EP Normand on 011 824 1320 for more information on Medium Voltage Soft Starters. EP Normand, the Medium Voltage Soft Starter supplier in South Africa.