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.

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

Display

• 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

Control

• 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

Construction

• 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