VLT® Soft Start Controller MCD 100


An extremely cost-effective and compact soft start controller that provides basic soft start and stop functionality and easy DIN rail mounting. The ‘fit and forget’ semiconductor design simplifies installation and reduces required panel space, and selection can be made on the basis of the motor power. Timed voltage ramp up and down are possible. Ramp time can be individually and accurately adjusted with rotary switches from 0.4–10 seconds, and starting torque can be adjusted from 0–85% of the direct on-line torque.
For the latest software updates and downloads, please visit the manufacturer’s website.

Supply voltages and power range

3 x 208-600 V…0.1-11 kW (25 A)
24-480 V AC or DC

  • Panel space can be saved due to the compact size
  • Selection is simple and stock is kept to a minimum thanks to universal control voltage
  • Commissioning time and space are saved as a result of easy DIN rail mounting for sizes up to 30 kW
  • Reliable operation is ensured due to robust semiconductor design and an almost unlimited number of starts per hour without derating
  • No external cooling or oversizing is necessary thanks to the maximum ambient temperature of 50°C without derating

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