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RVS-AX

 

Products > Soft-Starters > RVS AX
RVS-AX

RVS-AX  Analogue Soft Starter                                                               

Analogue Soft Starter 8-170A, 220-600V
with a built-in bypass

 

 

 

 

 


 

For small to medium size motors, in demanding applications, the
RVS-AX provides an optimal solution. Ease of installation and
operation and incorporating Current Limit and Motor Protection,
makes the RVS-AX an ideal cost effective replacement for
Star-Delta and Auto-Transformer starters.

Advantages at a glance

  • Reduced inrush current & mechanical shock
  • Soft, smooth, stepless acceleration and deceleration
  • Incorporating motor protection
  • Maintenance free, all solid state, incorporating a bypass (31-170A)
  • Compact, small footprint, book type, light weight - all aluminum case
  • Easily installed and operated.
  • Conservative SCR selection, heatsink and bypass system designed for starting at 350% In for 20 sec. at 40oC ambient temperature, ensures reliable operation.
  • Superior construction - IP20 up to 58A. Enclosed front panel for increased safety at higher ratings.

 

Start Stop Parameters

Potentionmeter settings for:
  • Motor Full Load Current (FLC)
  • Initial Voltage
  • Current Limit
  • Ramp-Up
  • Ramp-Down

 

Motor & Starter Protection

  • Electronic Overload - Inverse time Electronic Overload. Operational at end of acceleration process
  • Phase Loss - Operational when starter is energized and protects motor from single phasing. Trips the starter when one or two phases are missing for more than 1 sec.
  • Heatsink Over Temperature Protection - A thermal sensor mounted on the heatsink trips the starter when the temperature rises above 85oC.
  • Fault logic, Trip and Reset circuits. When a protection operates, the starter locks in fault mode, disabling thyristor firing, the LED indicates the fault, and the Trip contact closes.

 

Displays (LEDs)

  • On - mains voltage connected
  • Ramp Up / Down
  • Run
  • Overload
  • Phase Loss
  • Over Temperatre

 

Auxiliary Relays

  • End of Acceleration Relay, one-N.O contact
  • Fault Relay, one-N.O contact

 

Typical applications

  • Pumps
  • Fans
  • Compressors
  • Conveyors and monorail systems
  • Weak power source starting (diesel generators, long cables, etc).

 


  

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