RVS-AX
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The analog soft starter with a built-in bypass 
For small to medium size motors the RVS-AX provides an optimal solution. The RVS-AX includes Current Limit and Motor Protection and is a cost effective replacement for Wye-Delta and Auto-Transformer starters.
Advantages at a Glance
- Reduced inrush current & mechanical shock
- Soft, smooth, stepless acceleration and deceleration
- Built-in motor protection
- Maintenance free, all solid state, with a built-in bypass (31-170A)
- Compact, small footprint, book type, light weight - all aluminum case
- Easily installed and operated
- Heatsink and bypass system designed for starting at 350% In for 20 sec. at 40°C ambient temperature
- Superior construction - IP20 up to 58A. Enclosed front panel for increased safety
Motor & Starter Protection
- Electronic Overload - Inverse time Electronic Overload. Operational at end of acceleration process
- Phase Loss - Operational when starter is energized and protects the 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.
- Fault logic, Trip and Reset circuits. When a protection operates, the starter locks in fault mode, disabling SCR firing, the LED indicates the fault, and the Trip contact closes
LED Indicators
- On - line voltage connected
- Ramp Up / Down
- Run
- Overload
- Phase Loss
- Over Temperature
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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Resources
Low Voltage Soft Starters
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