Emerson – M300‑054 00270 A – Unidrive M300 15 kW VFD, 3× 400 V AC, SIL3 STO

The Emerson M300‑054 00270 A is a 15 kW variable frequency drive from the Unidrive M300 series, designed for high-performance control of three-phase 400 V AC motors. It features built-in SIL3 Safe Torque Off (STO), sensorless vector and V/f control, and modular fieldbus support. Ideal for industrial automation requiring safety and flexibility in a compact form factor.

Key Features:

• Model: M300‑054 00270 A

• Motor Power: 15 kW (20 HP)

• Input Voltage: 3× 380–480 V AC, 50/60 Hz

• Output Current: 27 A

• Control Modes: Sensorless vector, V/f, Rotor Flux Control (RFC-A)

• Overload Capacity: 180% (3 s), 150% (60 s)

• Output Frequency: Up to 550 Hz

• Safety Function: Dual-channel Safe Torque Off (SIL3 / PLe)

• Fieldbus Options: 1× SI slot for EtherCAT, PROFINET, CANopen, DeviceNet, etc.

• User Interface: Fixed LED keypad (standard); remote LCD keypad optional

• Mounting Style: DIN-rail or panel mount (Frame Size 3)

• Dimensions: 143 × 365 × 192 mm

• Protection Rating: IP20

• Weight: Approx. 7 kg