250kw, 2 pole, cast iron motor ATEX Zone 2 Cat 3G B3 Cast Iron 250.023EXNB3-CI
x
Product Code: 250.023EXNB3-CI
250kw, 2 pole, cast iron motor ATEX Zone 2 Cat 3G B3 Cast Iron 250.023EXNB3-CI
250kw, 2 pole, cast iron motor, IP55 with PTC thermistors fitted as standard. 400/3/50 to ATEX Zone 2 Cat 3G
Key Features:
| Zone | 2 |
| Tec Reference | 250.023EXNB3-CI |
| Factory Reference | T2C 355M2-2 |
| Type | 3 phase cast iron ATEX 3G |
| Output | 250 |
| Rated Current | 422.04 | 243.66 |
| Rotation Speed | 2960 | 3552 |
| Efficiency 100 | 95 |
| Efficiency 75 | 95.5 |
| Efficiency 50 | 93.9 |
| Power Factor | 0.9 |
| Rated Torque | 806.6 |
| Tst Tn Times | 1.8 |
| Tmin Tn Times | 1.3 |
| Tmax Tn Times | 2.3 |
| Ist In Times | 5.5 |
| Noise | 103 |
| Net Weight | 1650 |
| Moment Of Inertia | 3.14272 |
| Full Frame Ref | 355M2-2 |
| Frame Size | 355 |
| Construction | Cast Iron |
| Mounting | B3 |
| Mounting Type | foot mounted |
| Type Of Feet | Fixed feet |
| Insulation Class | F |
| Protection Degree | IP65 |
| Thermal Protection | PTC 140°C |
| Rotation Direction | F / R |
| Duty | S1 |
| Cable Glands | 2 - M63x1.5 |
| Cooling | IC 411 |
| Painting Color | RAL 7024 |
| Standard | IEC 60079 |
| Ambient Temperature | -20°C to +40°C |
| Frequency | 50 | 60 |
| Voltage A B | 400 | 690 |
| Voltage C D | 480 | 828 |
| Starting Method | DOL / Inverter / Soft Start |
| Atex Code | ATEX II 3G ExnA IIC T4 - Gc |
| Bearings Brand | NSK |
| Bearing Type 1 | 6319 C3 |
| Bearing Type 2 | 6319 C3 |
| Lifetime Of Bearings | - |
| Allowed Radial Load | 8450 |
| Allowed Axial Load | 79300 |
| Grease Type | polyurea-based grease |
| Lubrication Interval Of De Bearing | 3200 |
| Lubrication Interval Of Nde Bearing | 3200 |
| Phase | ATEX three phase |
| Pole | 2 |
| Series | ATEX 3G |
