Emerson Control Techniques – Unidrive M300 (M300‑054 00270 A) – 11 kW VFD

The Emerson Control Techniques Unidrive M300 (part number M300‑054 00270 A) is an industrial-grade 11 kW (27 A) three-phase variable frequency drive (VFD). Operating on 380–480 V, it features advanced Rotor Flux Control (RFC‑A), dual Safe Torque Off (STO) inputs for SIL 3/PL e compliance, and a fixed LED keypad with parameter reference guide. Compact and reliable, it’s ideal for machine builders and those moving from Commander SK drives.  

 Key Features & Specs

• Model: M300‑054 00270 A – 11 kW / 27 A output; 380–480 V AC input

• Motor Control: Rotor Flux Control (RFC-A) with 180% torque overload for heavy-duty use  

• Safety: Dual STO inputs integrated – SIL 3 / PL e for safe torque-off compliance  

• I/O & Interface: 2 AI, 4 DI (+1), 1 AO, 1 DO, 1 relay output, RS485 Modbus RTU; SI module slot  

• Controls: Fixed LED keypad with parameter guide; compatible remote LCD keypad (IP66)  

• Mounting: DIN-rail mounting supported up to 1.5 kW; IP21 UL open class