WEG CFW900 Series AC Inverter for 355kW 400V 3 Ph motor to 601A at high overload, or 440kW to 760A when Fan/Pump rated. Operates in VxF, Sensorless Vector or Full Closed-loop Flux Vector (with encoder card fitted). 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.
High Overload: 150% x 60 seconds every 10 minutes, 200% x 3 seconds every 10 minutes.
Low Overload: 110% x 60 seconds every 10 minutes, 150% x 3 seconds every 10 minutes when Fan/Pump Rated.
Dimensions: Frame H, 1535mm Wide x 426mm Deep x 1303mm High.
Mounting: via 8 x M5 fixings.
Weight: 192kg.
Speed Control Range: 0-250Hz
Dynamic Brake (DBr): Fitted with Internal Braking switch. Fit external braking resistor, if this feature is required. Recommended resistance is 2 Ohm (not supplied). 400A Maximum. See braking resistor option below.
DC Bus terminals and DC link choke are fitted as standard.
Features: Removable Keypad with Multi-line LCD display. (Cubicle mounting kit available).
Keypad is fitted with Bluetooth Interface for smart phone programming and diagnostics.
2 x Analogue Inputs, 6 x Digital Inputs, 2 x Analogue Outputs, 2 x Digital Outputs, 3 x Relays (1 x Change-over, 2 x Normally Open).
Option Slots: 4 Slots available as standard, can be extended to 7 with optional expansion port.
PC programming via USB port. USB cable (not supplied), free WPS software required. (PC programming can be done without mains power).
Communication: Dual EtherNet and Modbus RTU fieldbus fitted as standard.
Soft PLC Included: WLP Free Software required.
SD Slot for Parameter and Soft PLC program storage (SD card not supplied).
Real Time Clock Included (CR 2032 Battery required).
Safety Features: Dedicated Dual Channel input for STO (Safe Torque Off) and SS1-t (Safe Stop timed) Safety features. Please consult Safety Manual below for further details.
PCB Coating: 3C2.
External 24V Supply: Controls can be powered from a separate 24V DC supply, if required.
Input Current: 601A at Heavy Duty rating, or 760A at Normal Duty. Input protection via 300A High Speed Fuse.
Input Voltage: 380-480V Three Phase +10% -15%, 50/60Hz (48-63Hz).
EMC Compliance (IEC/EN61800-3): Fitted with Internal EMC Filters, C3 (Industrial) Classification with motor cables up to 200m.
EMC Filter earth connection can be removed if required.
Cubicle or flange mount.
Ambient Temperature: 45°C. (60°C Maximum with de-rate).
Ventilation Space: 150mm Top, 250mm Bottom, 0mm Between Units, 20mm Front.
Heat Loss: 1,908W at Heavy Duty rating, or 2,504W at Normal Duty.(Standby 52W)
Standby Heat Loss: 526W.
Efficiency: 1.5% at max output (90% motor frequency and 100% torque); Ecodesign Classification: IE2.
Extended Warranty Available: When purchased with a WEG W22 Motor the warranty for the motor and the AC Inverter can be extended to 3 years. Terms and Conditions apply, registration process is required.
Part Number: CFW900H0760T4NB20Y2B. CFW900 is the replacement product for the CFW11. Closest equivalent CFW11 is CFW11 0720T