Technical Data Sheet: 255-AGZS48-250
Ratings at 1,300 RPM
| Duty | Power | Torque |
|---|---|---|
| Continuous — 250 Arms | 12.8 kW | 94.1 Nm |
| 60 minutes — 312 Arms | 16.0 kW | 117.4 Nm |
| 15 minutes — 500 Arms | 25.2 kW | 185.4 Nm |
Peak output is 35 kW and 267 Nm at 750 Arms.
Specifications
| Model number | 255-AGZS48-250 |
|---|---|
| Frame size | 255 |
| Motor type | PM synchronous, surface magnet |
| Rated voltage | 48 VDC |
| Rated power | 12 kW |
| Peak power | 35 kW |
| Rated torque | 94 Nm |
| Peak torque | 267 Nm |
| Rated speed | 1,300 RPM |
| Rated / peak current | 250 Arms / 750 Arms |
| Rated frequency | 108.33 Hz |
| Torque constant | 0.376 Nm/Arms |
| Voltage constant | 0.352 Vrms/rad/s |
| Rotor inertia | 0.03465 kg·m² |
| Bearings | 6008-2Z/C3, 6006-2Z/C3 |
| Weight | 56 kg |
| Phases / power factor | Three phase / ≈ 1 |
| Efficiency | Designed for 93% |
| Winding | Star / Y, 100% copper |
| Insulation class | H, >500 MΩ at 500 VDC |
| Protection class | >IP64 |
| Magnet | NdFeB |
| Shaft | Hardened EN 24 |
| Core | Cold rolled silicon steel |
| Temperature sensor | PT 1000, 150 °C maximum winding |
| Cooling | Natural air, forced air optional |
| Mounting | Flange, foot |
94.1 Nm continuous at 1,300 RPM · 267 Nm peak · 255 frame
The 255-AGZS48-250 is a 12 kW 48 volt BLDC motor built for heavy, sustained work. It holds 94 Nm continuously at 1,300 RPM on 250 Arms and reaches 267 Nm at 750 Arms — nearly three times its continuous torque.
The rotor inertia of 0.03465 kg·m² is the highest in the 255 range, which makes it steady under shock loading rather than quick off the line. Paired with 267 Nm of peak torque, it suits drives that see sudden resistance and have to push through it rather than back off.
Quality and compliance
Manufactured at our ISO 9001:2015 certified plant in Faridabad, India. Designed and tested to IEC 60034 — performance and rating to IEC 60034-1, IP64 enclosure to IEC 60034-5, mounting designations to IEC 60034-7, and Class H insulation to IEC 60085.
Every motor is individually tested before dispatch, not batch-sampled: winding resistance, insulation resistance, high-voltage withstand, back-EMF constant, no-load and loaded run, and temperature rise. Test reports are available on request.
Performance Curves
Where this motor is used
- Hydraulic power packs on mid-size construction and mining plant
- Traction drives on electric and hybrid off-highway vehicles
- Crusher, shredder and mill drives that meet intermittent hard loads
- Deck machinery and marine auxiliary drives on 48 V systems
Applications
Related ratings
255-AHZS48-250 — 10 kW, 87.3 Nm at 1200 RPM
255-BZZI48-250 — 9.5 kW, 64.8 Nm at 1400 RPM
All models: 48 volt motor range.
Custom windings, shaft and flange variants, and integrated controllers are available.