WEG CFW900 Series AC Inverter for 37kW 400V 3 Ph motor to 75A at high overload, or 45kW to 96A 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 PM synchronous motor.
Rating (HD): 37kW, 75A, 51.9kVA with 150% Overload for 60 seconds every 5 minutes or 200% Overload for 3 seconds every 5 minutes
Rating (ND): 45kW, 96A, 66.5kVA with 110% Overload for 60 seconds every 5 minutes or 150% Overload for 3 seconds every 5 minutes
IP20
Frame D, 250mm Wide x 294mm Deep (158mm Deep when flange mounted) x 625mm High (700mm High with earth clamp)
Mounting via 4 x M8 fixings.
Weight: 33.5kg.
Speed Control Range: 0-500Hz
Dynamic Brake (DBr): Fitted with Internal Braking switch. Fit external baking resistor if this feature is required. Recommended resistance is 3 Ohm (not supplied). 243A Maximum. See braking resistor option below.
DC Bus terminals and DC link choke are fitted as standard.
Removable Keypad with Graphical 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 Chanel 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: 75A (HD), 96A (ND). Input protection via 125A 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.
Rated Ambient: 50°C. (60°C Maximum with de-rate)
Minimum Ventilation Space: 110mm Top, 130mm Bottom, 0mm Between Units, 10mm Front.
Heat Loss at max output: 862W (HD), 1132W (ND)
Standby Heat Loss: 195W
Efficiency at max output: 1.7% (at 90% motor frequency and 100% torque ); Ecodesign Classification: IE2
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 CFW900D96P0T4DB20Y2B CFW900 is a new product that replaces the CFW11. Previous generation CFW11 0088T4