Delta MS300 VFD | 1.5kW 2HP 3-Phase High-Performance AC Drive

The Delta MS300 series 4A2MS43ANSAA is a premier compact vector control drive engineered for elite industrial performance. Delivering a consistent 1.5kW (2HP) of power, this 3-phase 415V inverter is designed to handle the rigorous demands of CNC machining centers, industrial pumps, and material handling systems. It supports both Induction (IM) and Permanent Magnet (PM) motors, providing ultimate flexibility for modern production floors. With built-in Safe Torque Off (STO) and an integrated USB port for rapid parameter cloning, it ensures both operational safety and high efficiency. Its durable architecture is optimized for 24/7 heavy-duty industrial cycles, featuring advanced energy-saving technology and excellent vibration suppression, making it a reliable choice for the Indian industrial sector.

Advanced Sensorless Vector Control (SVC) for superior torque stability
Supports both Induction (IM) and Permanent Magnet (PM) motor control
Built-in Safe Torque Off (STO) SIL2/PLd compliance for enhanced safety
Integrated USB port for rapid parameter copying and real-time monitoring
Built-in PLC capacity (2k steps) for decentralized automation logic
Compact design allows for high-density cabinet mounting
Deceleration Energy Backup (DEB) for controlled stops during power failure

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

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Comparative Technical Spindle Motor Configurations Matrix

Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.

Spindle Capacity	Operating Speed	Operating Voltage	Cooling System
12.0 kW	18,000 RPM	380 V	Water-Cooled
0.8 kW	24,000 RPM	220 V	Air-Cooled (Long Shaft)
3.7 kW	40,000 RPM	380 V	Water-Cooled ISO20
9.0 kW	18,000 RPM	380 V	Air-Cooled

Technical Specifications

Technical Parameter	Engineering Specification Value
MODEL NUMBER	4A2MS43ANSAA
SERIES	MS300
POWER RATING KW	1.5 kW
MOTOR RATING HP	2 HP
INPUT VOLTAGE	3-Phase 380V ~ 480V AC (50/60Hz)
OUTPUT VOLTAGE	3-Phase 0V ~ Input Voltage
RATED OUTPUT CURRENT	4.2 A
OUTPUT FREQUENCY	0.00 ~ 599.00 Hz (Standard model)
MECHANICAL	weight: 1.1 kg \| coolingType: Fan Cooling \| protectionRating: IP20 / UL Open Type

Industrial Applications

Usage Scenario	Target Industry
High-Performance CNC Machining Centers	Machine Tool Manufacturing
Industrial Centrifugal Pumps and Fans	Textile and Apparel Production
Heavy-Duty Conveyor and Material Handling	Food and Beverage Processing
Woodworking and Milling Machinery	HVAC and Industrial Fluid Control
Automated Packaging and Labeling Equipment	Material Handling and Logistics
Textile Spinning and Processing Equipment	General Engineering
Metal Fabrication and Extrusion Machinery	General Engineering

Technical FAQ & Operational Guide

Is this 2HP drive suitable for constant torque loads?

Yes, the MS300 series features advanced vector control algorithms that maintain high torque even at low speeds, which is essential for conveyors, extruders, and CNC axes.

What is the primary advantage of the STO feature?

Safe Torque Off (STO) is a hardware-level safety mechanism that immediately prevents the motor from generating torque. This allows for safe maintenance or emergency stops without needing a full drive power-down.

Does this VFD support high-speed spindle operations?

Absolutely. With an output frequency of up to 599Hz, this drive is perfectly suited for high-speed CNC spindles, including those rated at 24,000 RPM.

How is the rotational balancing calibrated on this spindle motor?

Every spindle motor is dynamically balanced in accordance with the ISO 1940 balancing standard to guarantee vibration-free running and maximum stability at high RPMs.

What are the runout tolerances of the shaft and collet interface?

The internal shaft taper maintains a runout accuracy tolerance of under 0.003mm (3 microns), maintaining precise tool concentricity and preventing premature cutter wear.

What cooling precautions are built-in to prevent heat exhaustion?

Built-in temperature dissipation channels support continuous water/liquid cooling circulation or forced fan airflow, preventing thermal expansion of components.

Is this spindle motor compatible with standard VFD inverters and collets?

Yes, the spindle supports direct electrical integration with standard variable frequency drives (VFD) and accepts industrial ER collets (ER11, ER20, ER25, or ER32) to match standard toolholder dimensions.

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Delta MS300 VFD | 1.5kW 2HP 3-Phase High-Performance AC Drive

Advanced Sensorless Vector Control (SVC) for superior torque stability

Supports both Induction (IM) and Permanent Magnet (PM) motor control

Built-in Safe Torque Off (STO) SIL2/PLd compliance for enhanced safety

Integrated USB port for rapid parameter copying and real-time monitoring

Built-in PLC capacity (2k steps) for decentralized automation logic

Compact design allows for high-density cabinet mounting

Deceleration Energy Backup (DEB) for controlled stops during power failure

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

Comparative Technical Spindle Motor Configurations Matrix

Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.

Spindle Capacity	Operating Speed	Operating Voltage	Cooling System
12.0 kW	18,000 RPM	380 V	Water-Cooled
0.8 kW	24,000 RPM	220 V	Air-Cooled (Long Shaft)
3.7 kW	40,000 RPM	380 V	Water-Cooled ISO20
9.0 kW	18,000 RPM	380 V	Air-Cooled

Technical Parameter

Engineering Specification Value

MODEL NUMBER

4A2MS43ANSAA

SERIES

MS300

POWER RATING KW

1.5 kW

MOTOR RATING HP

2 HP

INPUT VOLTAGE

3-Phase 380V ~ 480V AC (50/60Hz)

OUTPUT VOLTAGE

3-Phase 0V ~ Input Voltage

RATED OUTPUT CURRENT

4.2 A

OUTPUT FREQUENCY

0.00 ~ 599.00 Hz (Standard model)

MECHANICAL

weight: 1.1 kg | coolingType: Fan Cooling | protectionRating: IP20 / UL Open Type

Usage Scenario

Target Industry

High-Performance CNC Machining Centers

Machine Tool Manufacturing

Industrial Centrifugal Pumps and Fans

Textile and Apparel Production

Heavy-Duty Conveyor and Material Handling

Food and Beverage Processing

Woodworking and Milling Machinery

HVAC and Industrial Fluid Control

Automated Packaging and Labeling Equipment

Material Handling and Logistics

Textile Spinning and Processing Equipment

General Engineering

Metal Fabrication and Extrusion Machinery

General Engineering