Specifications

• Availability 0 pcs
• Brand VEM
• Item Number K21R280S4B5 VEM
• Category 3-Phase Motors

Weight and Dimensions

• Weight (kg) 530

Product Properties

• Rated power (kW) 75
• Speed at 50Hz (rpm) 1500 / 4-Poles
• Frequency 50/60 Hz
• Energy efficiency IE1 = standard = EFF2
• Mounting B5 (outer flange)
• Brake No Brake
• IP Class IP55
• Explosion safety (Atex) No protection
• IEC Framesize 280

Detailed Product Properties

• Voltage 380-400VD / 660-690VY
• IEC Framesize 280
• Shaft diameter (mm) 65
• Housing material Cast Iron
• AC/DC AC
• Standard IEC
• Shaft height IEC in JDE 280
• Shaft length (mm) 140
• Shaft key width (mm) 18
• Shaft key length (mm) 125
• Thread shaft bore M20
• Shaft height, B3 mounted (mm) 280
• Width foot holes, B3 mounted (mm) 457
• Length foot holes, B3 mounted (mm) S=286, M=311
• Diameter foot holes (mm) 24
• Outer diameter flange B5/V1/B35/V3 (mm) 550
• Spigot B5/V1/B35/V3 (mm) 450
• Pitch circle diameter B5/V1/B35/V3 (mm) 500
• Number of flange holes 8
• Diameter flange holes B5/V1/B35/V3 (mm) 18.5