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K21R250M8-4B3 VEM
#K21R250M8-4B3 VEM
On request
K21R250M8-4B3 VEM
Manufacturer description250-2S 48kW 400/690V B3 CI
Price on request — a consultant will confirm lead time and terms.
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Specifications
| Brand | VEM |
| Category | 2-SPEED MOTORS |
| Brand | VEM |
| Item Number | K21R250M8-4B3 VEM |
| Category | 2-Speed Motors |
| Manufacturer Part Number (MPN) | K21R250M8-4B3 |
| Weight (kg) | 375 |
| Rated power (kW) | 48 |
| Mounting | B3 (foot) |
| Speed at 50Hz (rpm) | 2 Speeds |
| Frequency | 50/60Hz |
| IP Class | IP55 |
| Brake | No Brake |
| Explosion safety (Atex) | No protection |
| IEC Framesize | 250 |
| Energie efficiency | Not applicable |
| Voltage | 380-400VD / 660-690VY |
| Housing material | Cast iron |
| Shaft diameter (mm) | 60 |
| Shaft length (mm) | 140 |
| Wedge width (mm) | 18 |
| Wedge length (mm) | 125 |
| Thread shaft bore | M20 |
| Shaft height, B3 mounted (mm) | 250 |
| Width foot holes, B3 mounted (mm) | 406 |
| Length foot holes, B3 mounted (mm) | M=349 |
| Diameter foot holes (mm) | 24 |
| Outer diameter flange B5/V1/B35/V3 (mm) | 550 |
| Diameter edge B5/V1/B35/V3 (mm) | 450 |
| Pitch flange holes B5/V1/B35/V3 (mm) | 500 |
| Number of flange holes | 8 |
| Diameter flange holes B5/V1/B35/V3 (mm) | 18,5 |
| Outer diam. flange B14/B34/V18/V19 (mm) | nvt |
| Diam. edge B14/B34/V18/V19 (mm) | nvt |
| Pitch holes flange B14/B34/V18/V19 (mm) | nvt |
| Thread flange holes B14/B34/V18/V19 | nvt |
