WEG Variable Frequency Drives
WEG CFW08 PLUS AC Variable Frequency Drives

WEG CFW08 PLUS AC Variable Frequency Drives

AC Variable Frequency Drives


POWER SUPPLY Voltage Single or Three Phase 220…240V (+10%, -15%)
Three Phase 380…480V (+10%, -15%)
Frequency 50/60Hz +/- 2Hz
Cos (Displacement Power Factor) Greater than 0.98
ENCLOSURE Degree of Protection NEMA 1
CONTROL Control Modes V/Hz
Sensorless Voltage Vector
Processor 16 bit DSP
Power Output Sinusoidal PWM (Space Vector Modulation)
IGBT Transistors2.5, 5, 10 or 15kHz
Switching Frequency 2.5, 5, 10 or 15kHz Switching Frequency
Frequency Range 0-300Hz
Overload Capacitv 150% during 60 sec. every 10 min.
CONTROL INPUTS 4 programmable isolated digital inputs, NPN or 24Vdc logic (PNP)
2 x programmable differential analog inputs, programmable for current or voltage
with 0.25% linearity error, and can be set as DI or as PTC input
CONTROL OUTPUTS 2 programmable relay outputs, one NO (Form A) and one NC (Form B): 250 V /0.5 A
1 x outputs with independent NO and NC at a same common
1 x output, programmable for voltage (0-10V) or current (0-20 mA or 4-20 mA), and with 0.25% linearity error
COMMUNICATlON Serial Optional RS-232 serial interface, RS-485 with external RS-232/485 converter
Field Bus Modbus RTU with external RS-232/485 converter
SAFETY Protections Motor over current DC Link over voltage
Motor overload DC Link under voltage
output phase-to-phase short circuit Drive over temperature
output phase-to-ground short circuit external fault
programming error
AMBIENT Temperature 0… 104°F (40°C, up to 122°F (50°C) with 2% / 1.8°F (1°C) output current derating
Humiditv 5…90% Non Condensing
Altitude 0…3300 ft (1000m), up to 13,200 ft (4000m) with 10% / 3300 ft (1000m) output current derating
CONFORMITIES EMC Directive 89/336/EEC Electromagnetic compatibility – Industrial Environment EMC – Emission and Immunity
LVD 73/23/EEC Low Voltage Directive
UL 508 C Power Conversion Equipment
SPECIAL FUNCTIONS Linear and “S” ramp accel and decel, local/remote control, FWD/REV selection, DC braking, manual and auto torque boost, motor slip
compensation, electronic pot, two skip frequencies, maximum and minimum adjustable frequency limits, adjustable output current
KEYPAD 4 digit display, 2 indicator LEDs and 8 keys
Readouts for: output frequency (Hz), output current (A), output voltage (V), motor torque (%) in vector mode, DC bus voltage (V),
value proportional to frequency (Ex.: RPM), heatsink temperature, fault and status messages
MOUNTING Screws or optional DIN rail mount


Contact Joliet Technologies for Custom Drive Pricing.
Phone: (815) 725-9696 or
Toll Free: (866) 492-9888
Fax: (815) 725-9393
E-mail: info@joliettech.com
RFQ – Request for Quote

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Specifications and pricing subject to change without notice.