Home / Electric motors / Three-phase standard motors / 3DK3 280M2-4 Electric motor

Motor data 50 Hz
Power, 50 Hz (kW) 110
Voltage, 50 Hz (V) 400/690
Speed, 50 Hz (RPM) 1485
Current, 50 Hz, 400 V (A) 187,0
Power factor, 50 Hz (cos φ) 0,89
Efficiency 50 Hz, 100 % 95,4
Motor data 60 Hz
Power, 60 Hz (kW) 126,5
Voltage, 60 Hz (V) 460D
Speed, 60 Hz (RPM) 1785
More technical information
Frame size 280
Poles 4
Mounting (IM) B5
Shaft diameter (mm) 75
Duty S1
Insulation class F
Degree of protection (IP) 55
Efficiency class IE3
Thernal protection PTC 150°C
Ratio of starting current to rated current (Ia/In) 7,0
Ratio of starting torque to rated torque (Ma/Mn) 2,2
Ratio of sweeping torque to rated torque (Mmax/Mn) 2,0
Moment of iniertia, (J), (kgm²) 2,1668
Product series 3D3
Cooling (IC) 411
Temperature rise class B
Sound pressure 80
Weight
Net weight (kg) 731
Material and colour
Colour Blue, RAL 5010
Housing Cast iron
Bearings DE and NDE
Bearing DE 6316 C3
Bearing NDE 6316 C3

Dimensions are in millimeters (mm) unless otherwise noted.

Housing
AC 580
AD 410
bW 2×M63+1×M20
L 1035
Shaft
D 75
GA 79,5
F 20
DH M20x42
E 140
Flange, B5
M (B5) 500
N (B5) 450
P (B5) 550
S, mm Ø (B5) 18,5
T (B5) 5

 

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