CNC Spindle Motor 0.8 kW, 20000 RPM, 220V/380V Air-Cooled Square

The 0.8 kW Air-Cooled Square Spindle Motor is a versatile and stable industrial solution engineered for precision light-duty CNC applications. Designed with a unique square body architecture, this motor offers a robust mounting profile that significantly reduces vibration during high-speed operations. Delivering a consistent 0.31 Nm of torque at a peak speed of 20,000 RPM, it is uniquely versatile, supporting both 220V and 380V power configurations. This model is a primary choice for high-precision PCB routing, jewelry making, and specialized brush industries. Operating at a stable 333 Hz frequency, it utilizes a premium 4-bearing P4 grade configuration (2x 7005 & 2x 7002) to ensure exceptional rotational accuracy and minimal runout. With its maintenance-free air cooling system and standard ER11 collet interface, this 4 kg motor provides the reliability needed for professional-grade micro-machining environments.

Stable Square Body design for vibration-free mounting
Versatile Dual Voltage support (220V/380V)
High-Speed 20,000 RPM for precision micro-machining
Precision P4 Grade Bearing Assembly (7005 & 7002)
Industrial 333 Hz High-Frequency stable operation
Maintenance-free Air Cooling for continuous duty

⚡ 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	A08200S2238SQ
POWER RATING	0.8 kW
MAX SPEED	20000 RPM
OPERATING VOLTAGE	220 V / 380 V (Dual)
RATED CURRENT	3.7 A (220V) / 2.2 A (380V)
FREQUENCY	333 Hz
RATED TORQUE	0.31 Nm
POLE COUNT	2 Pole
COLLET INTERFACE	ER11 (0.5mm - 7mm)
BEARING CONFIGURATION	2 x 7005 P4 (Front), 2 x 7002 P4 (Rear)
MECHANICAL	weight: 4 Kg \| coolingType: Air Cooled \| bodyType: Square Profile

Industrial Applications

Usage Scenario	Target Industry
Precision CNC PCB Routing and Prototyping	Electronics and Semiconductor Prototyping
Automated Brush Industry Manufacturing	Jewelry Manufacturing and Design
CNC Bangle Making and Jewelry Machining	Industrial Brush and Broom Production
Light-Duty CNC Router Applications	Advertising and Signage Industry
High-Speed Precision Engraving	Educational R&D and Model Making
Custom Machine Tool Retrofitting	General Engineering

Technical FAQ & Operational Guide

What is the advantage of the square body design for this spindle?

The square body profile provides a flat, stable mounting surface. This ensures a more rigid connection to the machine headstock than round spindles, significantly reducing vibration during high-speed precision tasks like PCB routing or jewelry engraving.

Can I run this spindle on both single-phase and three-phase power?

Yes, this motor is designed with dual-voltage support. When paired with the appropriate Variable Frequency Drive (VFD), it can be configured to run on 220V or 380V setups, making it highly adaptable to different workshop power standards.

Is the cooling sufficient for continuous operation?

Absolutely. This model features an integrated high-efficiency air cooling system. It is designed to maintain optimal operating temperatures during continuous light-duty machining cycles without the need for external water pumps or chillers.

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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CNC Spindle Motor 0.8 kW, 20000 RPM, 220V/380V Air-Cooled Square

Stable Square Body design for vibration-free mounting

Versatile Dual Voltage support (220V/380V)

High-Speed 20,000 RPM for precision micro-machining

Precision P4 Grade Bearing Assembly (7005 & 7002)

Industrial 333 Hz High-Frequency stable operation

Maintenance-free Air Cooling for continuous duty

⚡ 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

A08200S2238SQ

POWER RATING

0.8 kW

MAX SPEED

20000 RPM

OPERATING VOLTAGE

220 V / 380 V (Dual)

RATED CURRENT

3.7 A (220V) / 2.2 A (380V)

FREQUENCY

333 Hz

RATED TORQUE

0.31 Nm

POLE COUNT

2 Pole

COLLET INTERFACE

ER11 (0.5mm - 7mm)

BEARING CONFIGURATION

2 x 7005 P4 (Front), 2 x 7002 P4 (Rear)

MECHANICAL

weight: 4 Kg | coolingType: Air Cooled | bodyType: Square Profile

Usage Scenario

Target Industry

Precision CNC PCB Routing and Prototyping

Electronics and Semiconductor Prototyping

Automated Brush Industry Manufacturing

Jewelry Manufacturing and Design

CNC Bangle Making and Jewelry Machining

Industrial Brush and Broom Production

Light-Duty CNC Router Applications

Advertising and Signage Industry

High-Speed Precision Engraving

Educational R&D and Model Making

Custom Machine Tool Retrofitting

General Engineering