Delta Electronics - Delta Standard Compact Drive MS300 Series Get latest price

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The Delta MS300 Series is an advanced compact vector drive designed to deliver precise motor control, efficiency, and reliability across industrial and OEM applications. Supporting both induction (IM) and permanent magnet (PM) motors, it combines high-performance torque control with built-in intelligence and safety features in a compact footprint.

Specifications

• Model: VFD9A0MS43AFSAA

• Power rating: 3.7 kW

• Input voltage: 415 V AC, 3-phase

• Output voltage: 3-phase

• Rated current: 9.0 A

• Filter: Built-in C2 EMC filter

• Protection rating: IP20

• Frame size: C

• Motor compatibility: Induction & Permanent Magnet motors

• Control method: Sensorless vector control / V/f control

• Starting torque: Up to 200% at 0.5 Hz

• Certifications: STO (Safe Torque Off) compliant with SIL2 / PLd safety standards

Key Features

• Advanced Motor Control: High-precision vector control for smooth operation and strong starting torque under load.

• Built-In PLC: 2K-step programmable logic controller allows for simple automation without external devices.

• Safety Integration: STO function ensures safety in critical applications by preventing unexpected motor starts.

• Flexible Connectivity:

  • Optional fieldbus modules (e.g. Modbus, CANopen, EtherCAT) via built-in communication slot

  • USB port for easy setup, firmware updates, and data transfer

• Versatile I/O: 1 relay + 2 transistor outputs, supporting multiple control options and system integration.

• Robust Environmental Design: PCB conformal coating compliant with IEC 60721-3-3 class 3C2 for harsh industrial conditions.

• Compact & Efficient: Reduced footprint with easy DIN-rail mounting for space-constrained panels.

• High-Speed Response: Supports pulse inputs up to 33 kHz for precision control.

Applications

The Delta MS300 series is ideal for a wide range of industrial and OEM uses, including:

• Pumps and Fans – for smooth acceleration and energy-efficient control

• Conveyors and Mixers – ensuring soft start/stop and torque consistency

• Compressors and Blowers – reducing mechanical stress and improving system reliability

• Machine Tools and Packaging Equipment – for dynamic speed regulation and integrated safety control

• HVAC and Building Automation – optimising performance in controlled environments

Related Series

• ME300 Series: Ultra-compact and cost-effective AC drives for OEMs and panel builders.

• EL Series: Multi-function micro drives designed for small to medium motor applications.

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To contact Mechtric about Delta Electronics Delta Standard Compact Drive MS300 Series use Get a quote.