Low Voltage Soft Starters: RVS-DX


Ratings: 8-170A, 220-600V
The RVS-DX compact digital soft starter with built-in bypass is the latest in the line of
Solcon's fourth generation of digital soft starters. The RVS-DX incorporates enhanced
start-stop characteristics providing the ideal solution for most applications.

RVS-DX Information

The new standard for digital soft starters.


The RVS-DX is a full featured digital soft starter with a built-in bypass. Enhanced start-stop characteristics provide ideal soft starting solutions for most applications. The comprehensive motor protection package guarantees long term reliability.

RVS-DX Application

Advantages at a Glance

  • Reduced inrush current and mechanical shock
  • Soft, smooth stepless acceleration and deceleration
  • Current Limit
  • Pump Control
  • Torque and Current Control
  • Unique features: Pulse Start, Dual Adjustment, Slow Speed with Electronic Reversing, etc.

Sophisticated Motor Protection

  • Too many starts & start inhibit
  • Long start time (Stall protection)
  • Electronic shear-pin (Jam) with adjustable curves and delay
  • Electronic overload with selectable curves
  • Under current
  • Phase loss
  • Phase sequence and Under/Over frequency
  • Under/Over and No voltage
  • Load loss (motor not connected)
  • External fault
  • Shorted SCR
  • Starter over temperature protection
  • Motor insulation test (future option)
  • Motor thermistor (option)
  • Built-in Bypass, while all protective functions remain active


  • LCD - Two lines of 16 characters each
  • Multilingual - English, German, French & Spanish
  • Four LEDs - On, Run, Ramp Up/Down & Fault
  • Statistical Data - Start, Stop & Fault parameters
  • Full script parameter settings


  • Opto-Isolated Inputs & outputs, two output relays
  • Local and remote reset
  • Optional Communication RS 485 with MODBUS RTU, Profibus or DeviceNet protocols options
  • Easily operated - via keypad, allowing precise settings, LED and interactive LCD (4 languages), Statistical data.
  • Hardware and software allows starting from diesel-generator


  • Normal duty rated design (ambient 40°C).
  • Compact, light weight, aluminum, small foot-print and book type design.

Typical Applications

  • Pumps (Water utilities, Industry)
  • Compressors
  • Conveyors & monorails
  • Mixers & Agitators
  • Fans & Centrifuges
  • Hydraulic pumps
  • Starting from weak power sources

Solcon USA