Control Techniques Unidrive M300 series AC Inverter for 45kW (75HP) 400V 3ph motor to 100A at High Overload or 55kW (75HP) to 112A when Fan/Pump rated, in either VxF or sensorless vector control. Converts fixed frequency 400V three phase input to variable frequency 400V three phase for a standard AC Induction motor.
**Special Price - Available from stock only**
Size 7: 270mm wide x 280mm deep x 557mm high; IP20
Mounting via 4 x 9mm diameter holes at rear on 220mm x 538mm centres
Weight: 28kg.
Overload: 150% x 60 seconds
Speed Control Range: 0-550Hz
Dynamic Braking (DBr): Internal Brake Switch fitted. (does not have to be used; available if required)
100% duty into 7.5 Ohm, maximum 10 Ohm external resistor (not supplied). See linked products below for compatible resistor.
Fixed keypad, 2 Analogue Inputs, 4 Digital Inputs, 1 Analogue Output, 1 Digital Input/Output, 1 Relay Contact (normally open). 1 Option Card Slot. Can be commissioned via PC using free Connect software and optional RS485 communications adapter and cable (see linked products below).
Safe Torque Off (STO) function to SIL3 (EN61800-5-2)
Onboard PLC included. Programmable via PC using free CODESYS-based Machine Control Studio software and optional RS485 adapter and cable.
Input Current: 105A
Input Voltage: 380V-480V Three Phase ±10% at 50-60Hz ±5%
Earth Leakage for EMC: 56mA at 50Hz
EMC Compliance: IEC EN 61800-3 Category C3 (Industrial) for cable lengths to 100m.
Cubicle mount.
Ambient operating temperature to 40°C.
Ventilation space in front: [not specified], above and below: 100mm, at sides: 30mm (between drives).
Heat Loss at max output: 906W (High Overload); 1033W (Fan/Pump) (at rated ambient temperature and default switching frequency).
Manufacturer part number is M300-07401000 (Replaces SK4402).
Previously marketed under the Emerson brand.
Download the CT Unidrive M300 Quick Start, Installation and Control guides from the links below:-