K21R250M8-4B3 VEM

Technical details

1. Availability 0 pcs
2. Brand VEM
3. Item number K21R250M8-4B3 VEM
4. Category 2-Speed Motors

Weight and Dimensions

1. Weight (kg) 375

Product Properties

1. Rated power (kW) 48
2. Speed at 50Hz (rpm) 2 Speeds
3. Frequency 50/60 Hz
4. Energy efficiency Not applicable
5. Mounting B3 / 1M1001 (foot)
6. Brake No Brake
7. IP Class IP55
8. Explosion safety (Atex) No protection
9. IEC Framesize 250

Detailed Product Properties

1. Voltage 380-400VD / 660-690VY
2. IEC Framesize 250
3. Shaft diameter (mm) 60
4. Housing material Cast Iron
5. AC/DC AC
6. Standard IEC
7. Shaft height IEC in JDE 250
8. Shaft length (mm) 140
9. Shaft key width (mm) 18
10. Shaft key length (mm) 125
11. Thread shaft bore M20
12. Shaft height, B3 mounted (mm) 250
13. Width foot holes, B3 mounted (mm) 406
14. Length foot holes, B3 mounted (mm) S=286, M=311
15. Diameter foot holes (mm) 24
16. Outer diameter flange B5/V1/B35/V3 (mm) 550
17. Spigot B5/V1/B35/V3 (mm) 450
18. Pitch circle diameter B5/V1/B35/V3 (mm) 500
19. Number of flange holes 8
20. Diameter flange holes B5/V1/B35/V3 (mm) 18.5