WEG CFW11 Series AC Inverter with Safe Torque Off feature for 15kW (20HP) 400V 3 Ph motor to 33A at high overload, or 18.5kW (25HP) to 38A 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 C, 220mm Wide x 293mm Deep x 378mm high. IP21
Weight: 16.4kg.
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 22 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, Safe Torque Off terminals, 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: 20.5A (High Overload), 23.6A (Fan/Pump Rated), via 50A High Speed Fuse.
Input Voltage: 380-480V Three Phase +10% -15% at 50-60Hz ±3%
EMC Filter: Integrated, to IEC EN61800-3 Category C3 (industrial).
RFI Filters components can be disabled by the removal of 2 grounding screws if required.
Safety Function: Safe Torque Off (STO) suitable in applications up to Cat. 3 / PL d acc. to EN ISO 13849-1 and SIL 2 acc. to IEC 62061 / IEC 61508
Wall mount in clean environment, cubicle mount or flange mount.
Rated 50°C Ambient.
Ventilation space in front: 10mm.
Ventilation space above: 110mm.
Ventilation space below: 130mm.
Ventilation space at sides: 30mm (0mm with top cover removed).
Heat Loss at max output: 590W (High Overload), 710W (Fan/Pump rated)
Mounting via 4 x M6 bolts at rear on 150mm x 375mm 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 0038 T4 OFAYZ, CFW110038T4OFAYZ Internal code is 11135785.
Download the WEG CFW11 Manual, Parameter Reference and Programming Guide from the links below:-