Description
The Mitsubishi SJ-4-V26-08ZT is a very high-power AC spindle motor (26 kW class) from Mitsubishi Electric’s SJ-4-V series, used in large CNC machine tools such as heavy-duty milling and turning centers.
Key Specifications (SJ-4-V26-08ZT)
| Specification | Value |
|---|---|
| Series | SJ-4-V Series |
| Motor Type | AC Spindle Motor |
| Rated Output | 22 kW (continuous) |
| Short-Time Output | 26 kW (30-minute rating) |
| Acceleration Output | 26 kW standard, 31.2 kW actual accel/decel |
| Base Speed | 1500 rpm |
| Maximum Speed | 10,000 rpm |
| Continuous Torque | 140 N·m |
| Continuous Current | 70 A |
| Frame Size | C160 |
| Flange Size | 250 SQ |
| Inertia | 0.0925 kg·m² |
| Protection Class | IP44 |
| Voltage | 3-phase 400V |
| Cooling | Self-cooled |
| Drive Compatibility | Mitsubishi MDS-D / MDS-DH spindle amplifiers |
📌 Source: Mitsubishi Electric SJ-4-V series specification manual (MDS-D/DH2 & MDS-EH systems)
Features
- Designed for heavy CNC spindle applications (not servo axis use)
- High power class (26 kW short-time rating) for aggressive cutting
- Strong torque output (140 N·m) for heavy machining loads
- High-speed capability up to 10,000 rpm
- Built for integration with Mitsubishi CNC spindle drive systems
- Stable operation under continuous industrial duty cycles
Typical Applications
- Large CNC machining centers
- Heavy milling machines
- CNC turning & boring machines
- High-load metal cutting systems
- Industrial automation production lines