3kW 4P 220V/380V 24000RPM
3 kW with the same speed structure as 3.5 kW 4P and a lower torque plateau.
Rated Speed
12,000 RPM
Rated Torque
3.2 Nm
Maximum Frequency
800 Hz
Maximum Power
3.0 kW
BT30 / Water-cooled
Model B BT30 100mm 3KW
Model B BT30 100mm 3KW is the reinforced BT30 100mm option for heavier duty machining where rigidity and cooling margin are more important than the lowest platform cost.
Compare the listed spindle price first, then request freight, lead time, and delivery details for this model.
Power
3.0 kW
Speed
18000 / 24000 RPM
Tool holder
BT30
Cooling
Water
Voltage
220V / 380V
Structured specifications
Confirmed product parameters
Review the spindle identity, output class, mechanical platform, and electrical configuration before matching this product to a machine, VFD, and cooling setup.
Model identity
- Model
- Model B BT30 100mm 3KW
- Series
- Model B
- Type
- ATC Spindle Motor
- Tool holder
- BT30
- Body diameter
- 100mm
- Cooling
- Water
- Lubrication
- Grease
Performance
- Power
- 3.0 kW
- Speed summary
- 18000 / 24000 RPM
- Rated torque
- 3.2 Nm
- Rated torque (Nm)
- 3.2
- Pole options
- 4P, 8P
Mechanical platform
- Front bearings
- 7007x2
- Rear bearings
- 7005
- Nose diameter
- 55 mm
- Body OD
- 100 mm
- Body length
- 220 mm
- Overall length
- 380 mm
Electrical parameters
- Voltage summary
- 220V / 380V
- Voltage options
- 220V, 380V
- Rated frequency
- 4P: 400 Hz; 8P 220V: 400 Hz; 8P 380V: 800 Hz
- Maximum frequency
- 4P 18000: 600 Hz; 4P 24000: 800 Hz; 8P: 1200 Hz
- Rated speed
- 4P: 12000 RPM; 8P 220V: 6000 RPM; 8P 380V: 12000 RPM
- Knee speed
- 4P: 12000 RPM; 8P 220V: 6000 RPM; 8P 380V: 12000 RPM
- Maximum speed
- 4P: 18000 / 24000 RPM; 8P: 18000 RPM
Applications
- Applications
- Heavier BT30 machining, Contour milling, Longer duty-cycle routing
Variant matrix
Voltage, pole, and speed combinations
Use this matrix to match voltage, pole count, speed range, and torque to the required VFD and machine-side configuration.
| Variant | Power | Voltage | Poles | Speed | Torque |
|---|---|---|---|---|---|
| 3KW 220V 4POLES 18000RPM | 3 kW | 220V | 4P | 18000 RPM | 3.2 Nm |
| 3KW 220V 4POLES 24000RPM | 3 kW | 220V | 4P | 24000 RPM | 3.2 Nm |
| 3KW 380V 4POLES 18000RPM | 3 kW | 380V | 4P | 18000 RPM | 3.2 Nm |
| 3KW 380V 4POLES 24000RPM | 3 kW | 380V | 4P | 24000 RPM | 3.2 Nm |
| 3KW 220V 8POLES 18000RPM | 3 kW | 220V | 8P | 18000 RPM | 3.2 Nm |
| 3KW 380V 8POLES 18000RPM | 3 kW | 380V | 8P | 18000 RPM | 3.2 Nm |
Performance curves
Power, Torque, and Frequency Curves
Reference curves for the 3kW motor group, calculated at 500 RPM intervals with constant torque below knee speed and constant power above it.
4P · 220V/380V
3kW 8P 220V/380V 18000RPM
3 kW 8P dual-voltage comparison with different rated points.
220V Rated
6,000 RPM / 400 Hz
380V Rated
12,000 RPM / 800 Hz
Rated Torque
3.2 Nm
Maximum Power
3.0 kW
Application fit
Where this spindle makes sense
Review these machining contexts against your material, tool-holder system, duty cycle, and machine envelope before selecting the spindle platform.
Model B BT30 100mm 3KW CNC machining center application
BT30 ATC spindle use in CNC machining centers and router platforms.
Model B BT30 100mm 3KW 3C electronics manufacturing application
3C and aluminum machining workloads benefit from stable high-speed spindle selection.
Choose this model when
- Choose it when the machine is built around BT30 automatic tool change tooling.
- Choose it when the 100mm mounting envelope and 3.0 kW output match the machine design.
- Choose it when the required speed path is 18000 / 24000 RPM and the VFD can support 220V / 380V.
- Choose it when heavier cutting loads need more rigidity and cooling headroom than the standard Model A profile.
Consider another spindle when
- Choose Model A or Basic instead for budget-driven BT30 replacement projects where the reinforced Model B platform is not required.
- Choose Model C instead when the machine requires an HSK40E tool-holder interface.
- Avoid this platform for very light-duty machines where the reinforced spindle body adds no practical value.
Installation and integration
Confirm these details before commissioning
VFD matching
- Match the VFD to 3.0 kW, 220V / 380V, pole count, and maximum frequency before ordering.
- Keep 4P and 8P variants separate during quotation because speed and frequency limits differ.
- Do not assume an existing VFD is compatible without checking the rated current and frequency range.
Cooling setup
- This product is listed as water cooled; plan pump, tubing, reservoir or chiller capacity before installation.
- Confirm coolant flow before high-speed trial operation and monitor temperature during the first production run.
Wiring checks
- Use the wiring diagram as an integration reference and verify connector pinout before energizing the spindle.
- Confirm grounding, cable shielding, and VFD parameter setup before the first speed ramp.
Precision reference
High-Precision Spindle Runout
Critical spindle accuracy reference for precision machining and surface finish control.
Runout accuracy context
The spindle platform is selected for machining applications where tool concentricity, surface finish, and dimensional consistency need to be reviewed before final integration.
Taper Internal Runout
≤ 0.003 mm
Reference for spindle taper concentricity before precision toolholding evaluation.
100 mm Test Bar Runout
≤ 0.01 mm
Reference point for checking tool extension accuracy under inspection conditions.
Quality inspection
Pre-dispatch inspection points
Each spindle order is reviewed against the selected configuration before packing. The inspection flow focuses on model match, connector condition, rotation smoothness, and shipment readiness before the unit leaves the factory.
Inspection focus
The checklist below summarizes the final checks used to reduce configuration mismatch, connector issues, and avoidable handling problems before installation planning begins.
- 01
Configuration match
Verify bearing specification, preload condition, and spindle rotation smoothness before dispatch.
- 02
Mechanical and electrical condition
Measure spindle nose runout and inspect connector pins before shipment.
- 03
Shipment readiness
Confirm product series, tool-holder interface, and body platform against the ordered configuration.
Product details
Additional product notes
Product Context
Model B BT30 100mm 3KW is the reinforced BT30 100mm option for heavier duty machining where rigidity and cooling margin are more important than the lowest platform cost.
This 100 mm Model B BT30 platform is selected when the buyer wants a reinforced BT30 direction without moving to a larger spindle body. Confirm the machine-side rigidity, mounting clearance, voltage class, and VFD settings before final selection.
Dimensional Drawing
External dimensions for the 100 mm body, 3 / 3.2 / 3.5 kW ATC spindle motor platform. Refer to the specifications table above for model-specific nose diameter and overall length values.
Engineering Selection Notes
- Tool holder: BT30
- Body platform: 100mm
- Power class: 3.0 kW
- Speed path: 18000 / 24000 RPM
- Rated torque reference: 3.2 Nm
- Positioning: compact 100 mm power class with ceramic ball bearing construction.
Choose it when the machine is built around BT30 automatic tool change tooling. Choose it when the 100mm mounting envelope and 3.0 kW output match the machine design. Choose it when the required speed path is 18000 / 24000 RPM and the VFD can support 220V / 380V. Choose it when heavier cutting loads need more rigidity and cooling headroom than the standard Model A profile.
Applications and Use Cases
- Heavier BT30 machining
- Contour milling
- Longer duty-cycle routing
These use cases should be checked against the machine envelope, tool-holder system, VFD capacity, cooling setup, and expected duty cycle before quotation.
Engineering quote
Request support for Model B BT30 100mm 3KW
Send your machine model, line voltage, spindle power, control signal preference, and destination country. We use these inputs to confirm the matching spindle and inverter setup before we reply.
Machine
Router or machining center model
Electrical
Voltage, frequency, inverter pairing
Cooling
Air or water cooling preference
Delivery
Duty cycle and destination country
Quotation workflow
- 01
Confirm machine-side requirements
Match spindle power, speed range, control wiring, and supply class to the machine.
- 02
Review electrical and cooling details
Check voltage, inverter compatibility, and thermal management requirements.
- 03
Return the recommended configuration
Confirm the recommended setup, production window, and shipment destination.
Request a Quote
The selected model is included with your request so technical review can start from the correct configuration.
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