WEM Electric Motors & Drives (Pty) Ltd
Low Voltage AC Variable Speed Drives

INVT GD20 High Performance AC VFD- Variable Speed Drive
- Single Phase range : 0.4kW - 2.2kW, 220V
- Three Phase range: 0.75kW - 2.2kW, 400V
- Variable speed motor control
- Mini design feature
- 1x Analogue Input ; 1x Analogue Output
- 5 Digital inputs , 1 Y terminal output & 1 x Relay output
- V/F Control
- Standard MODBUS Communication
- Built in braking unit
- DC Braking, flux braking & resistor dynamic braking
- 16 steps Multi step speed control
Typical Applications
- Packaging Machinery
- Food Machinery
- Textile Machinery
- Centrifuge
- Engraving Machines
- Cutting Machines
- Pumps
- Fans
- Conveyor
- Home Industry
- Variable speed motor control
- Energy saving
INVT GD100 Single Phase AC Variable Speed Drive - 4kW
Features
- Power range : 4kW
- Model: GD100
- Variable speed control
- Input voltage range : 220V
- 2x Analogue Input
- 4DI, 1HDI Digital Input
- 2x Analogue Output
- 2x Relay Output
- Standard MODBUS Communication
- Built-in Braking Unit
- Built-in C3 Filter
Typical Applications
- Machine Tools
- Textile
- Ceramic
- Plastic
- Home Industries
- Pumps
- Fans
- Winch
- Mixers
- Chemical
- Energy saving
INVT GD200 General Purpose AC Variable Speed Drive
Features
- Power Range: 1.5kW - 500kW
- Input Voltage Range: 400V ±15%
- Variable speed control
- V/f Vectorized control technology - DSP control
- Accurate motor auto-tuning providing excellent motor drive performance
- Standard Built-in C3 filter - Enhanced EMC performance
- Supports common DC bus and DC input supply
- Manufactured in accordance with IEC standards; TUV & CE Approval
- Resistor; DC and Magnetic flux braking
- Bookcase panel mounting with independent air-cooling design - supports wall, flange mount and floor mounting
Typical Applications
- Pumps & Irrigation
- Granulators
- Cooling Towers
- Fans
- Crushers
- Mixers
- Plastics
- Simple water supply
- HVAC & Compressors
- Replace DOL & Star Delta
- Energy Saving
INVT GD300 High Performance AC Variable Speed Drive
Features
- Power Range: 1.5kW - 500kW
- Input Voltage Range: 400V ±15%
- NOW AVAILBLE in 525V ±15% - FROM 1.5kW - 500kW
- Open loop vector control & V/f
- Variable speed motor drive control
- Built in braking unit up to 30kW
- Accurate motor auto-tuning proving excellent motor drive performance
- Advanced open-loop vector control: 0.25Hz/150% starting torque & 1:200 speed ratio
- Can run various motors: Asynchronous, Permanent Magnet Synchronous, Variable Frequency & Direct Drive Motors
- Communication: MODBUS, PROFIBUS CAN & Ethernet with powerful PC software
- Manufactured in accordance with IEC standards: TUV & CE approval
Typical Applications
- Pumps & Irrigation
- Fans
- Hoisting / Crane
- Crushers
- Mills
- Conveyors
- Machine Tools
- CNC
- Mixers
- DC Motor replacement
- Slip-ring motor replacement
- Servo drive
- Chemical
- Plastic extruder, granulator
- Variable speed motor control
- Energy Saving
INVT GD35 Close Loop Vector Control AC Variable Speed Drive
Features
- Power Range: 1.5kW - 75kW
- Input Voltage Range: 400V ±15%
- High performance
- Variable speed motor control
- Built in braking unit up to 30kW
- Closed-loop vector control - 0Hz = 200% Starting torque
- High accuracy position control
- Powerful motor torque, speed and position control
- Compatible with multiple motors - Spindle ; Servo ; Variable freq motor ; Synchronous & standard Asyncronous motors.
- PG Card built in - Encoder card.
- PC Software compatible
Typical Applications
- CNC Machine - Lathe
- Machine Tools - High speed spindle
- Servo motors
- Hoist - Elevator - Crane
- Wire extrusion & winding
- Metal & Woodworking Machinery
- Printing
- Paper & Pulp
- Pumps & fans
- Fabrics Machines
- Variable speed motor control
- Energy saving
Click here for more Product Details from
WEM Electric Motors & Drives (Pty) Ltd...