WEG CFW11 Series AC Inverter for 4kW (5HP) 400V 3 Ph motor to 10A at high overload, or 4kW (5HP) to 10A when Fan/Pump rated. Operates in VxF, Sensorless Vector or Full Closed-loop Flux Vector. Converts fixed frequency three phase 400V input to variable frequency three phase 400V to control the speed of a standard AC induction motor or permanent magnet synchronous motor.
Size: Frame A, 145mm Wide x 227mm Deep x 247mm high. IP21
Weight: 6.1kg.
Overload - 150% x 60 seconds every 10 minutes, 200% x 3 seconds every 10 minutes (High Overload)
Overload - 110% x 60 seconds every 10 minutes, 150% x 3 seconds every 10 minutes (Fan/Pump Rated)
Speed Control Range: 0-300Hz (depending on control mode)
Braking: Minimum 91 Ohm minimum external resistor (not supplied) - see the Resistor options linked below or use the 'Which Resistor' button on this page.
2 Analogue Inputs, 6 Digital Inputs, 2 Analogue Outputs, 3 Relay Contact sets, USB Port (Type B), Real time clock, internal DC Choke.
DC Bus terminals for DC supply or common bus energy saving applications.
Programmable from a PC via USB cable and free 'G2 Superdrive' software.
Input Current: 9.2A (High Overload), 9.2A (Fan/Pump Rated), via 16A High Speed Fuse.
Input Voltage: 380-480V Three Phase +10% -15% at 50-60Hz ±3%
EMC Filter: Integrated, to IEC EN61800-3 C2 (restricted domestic) for 5m motor cable length, C3 (industrial) for longer lengths.
RFI Filters components can be disabled by the removal of 2 grounding screws if required.
Wall mount in clean environment, cubicle mount or flange mount.
Rated 50°C Ambient.
Ventilation space in front: 10mm.
Ventilation space above: 25mm.
Ventilation space below: 25mm.
Ventilation space at sides: 30mm (0mm with top cover removed).
Heat Loss at max output: 200W (High Overload), 220W (Fan/Pump rated)
Mounting via 4 x M5 bolts at rear on 115mm x 250mm centres.
Extended Warranty Available: When purchased with a WEG W22 Motor (see linked products below) the warranty for the motor and the AC Inverter can be extended to 3 years. Terms and Conditions apply, registration process is required.
Manufacturer part number is CFW11 0010 T4 OFAZ. Internal code is 10574792. Sold under other names including Eurotherm Drives (Invensys) part ERCFW110010T4OFAZ.
Download the WEG CFW11 Manual, Parameter Reference and Programming Guide from the links below:-