Inverter 4 kW 220-250V BEST

The BEST Variable Frequency Drive (VFD) converts a 220 V / 50 Hz single-phase AC supply into a 0–220 V three-phase output with an adjustable frequency range from 0.5 to 600 Hz. It provides smooth speed control for CNC spindles, three-phase induction motors, and other industrial equipment.

Its advanced control system ensures stable motor operation, high starting torque, and comprehensive protection functions.

Features

• Advanced PID control with fast feedback response.
• RS485 communication interface supporting the MODBUS protocol.
• Easy PLC function with up to 16 programmable speed steps.
• 150% starting torque at 0.5 Hz.
• Wide operating voltage range (304–456 V DC bus).
• Automatic Voltage Regulation (AVR).
• Automatic slip compensation.
• Short-circuit protection.
• High resistance to electromagnetic interference.
• Quiet operation.

Specifications

• Model: 100M
• Control Method: Scalar Control
• Input Phases: 1
• Input Voltage: AC 220 V ±20%
• Input Frequency: 50 Hz ±5%
• Output Phases: 3
• Output Voltage: AC 0–220 V
• Output Frequency: 0.5–600 Hz
• Rated Output Current: 9 A
• Rated Power: 4 kW
• Operating Temperature: −10°C to +40°C
• Ambient Humidity: ≤90%
• Dimensions: 175 × 150 × 220 mm
• Weight: 2.35 kg

Important

Before connecting the VFD to a spindle or electric motor, it must be properly configured according to the motor specifications.

Operating the drive without proper parameter configuration may damage both the VFD and the motor. In some cases, a spindle can fail in less than 30 seconds.

For reliable long-term operation, the use of a voltage stabilizer is strongly recommended to maintain a stable supply voltage despite fluctuations in the mains power.