Nidec Control Techniques Unidrive M300 series AC Inverter for Heavy Duty ratiing of 18.5kW (30HP) 42A, 400V or Normal Duty rating of 22kW (30HP) 48A, 400V 3ph motor in VxF or sensorless vector control. Converts fixed frequency 400V three phase input to variable frequency 400V three phase for a standard AC Induction motor.
Size 6: 210mm wide x 227mm deep x 391mm high; IP20
Mounting via 4 x 6mm diameter holes at rear on 86mm x 265mm centres
Weight: 14kg.
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 20 Ohm, maximum 80 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 Unidrive M 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: 41A
Input Voltage: 380V-480V Three Phase ±10% at 50-60Hz ±5%
EMC Compliance: IEC EN 61800-3 Category C3 (Industrial) for cable lengths to 10m.
Cubicle mount.
Ambient operating temperature to 40°C.
Ventilation space in front: [not specified], above and below: 100mm, at sides: 0mm (between drives).
Manufacturer part number is M300-06400420. Replaces Commander SK part no SKD3402. Previously marketed as Emerson Control Techniques, a division of Emerson. Now sold as Nidec Control Techniques, part of the Nidec group.
Download the CT Unidrive M300 Quick Start, Installation and Control guides from the links below:-