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3SIEK 250M-4 Electric motor

3SIE 250 4-pole
55 kW B5 IE3

Item number:

118572

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Motor data 50 Hz
Power, 50 Hz (kW) 55
Voltage, 50 Hz (V) 400/690
Speed, 50 Hz (RPM) 1487
Current, 50 Hz, 400 V (A) 93,0
Power factor, 50 Hz (cos φ) 0,90
Efficiency 50 Hz, 100 % 94,7
Efficiency 50 Hz, 75 % 94,8
Efficiency 50 Hz, 50 % 94,0
Motor data 60 Hz
Power, 60 Hz (kW) 63
Voltage, 60 Hz (V) 460D
Speed, 60 Hz (RPM) 1786
Current, 60 Hz, 460 V (A) 92
Power factor, 60 Hz (cos φ) 0,91
Efficiency 60 Hz, 100 % 94,7
Efficiency 60 Hz, 75 % 94,9
Efficiency 60 Hz, 50 % 94,5
More technical information
Frame size 250
Poles 4
Mounting (IM) B5
Shaft diameter (mm) 65
Duty S1
Insulation class F
Degree of protection (IP) 55
Efficiency class IE3
Thernal protection PTC 140°C
Ratio of starting current to rated current (Ia/In) 7,6
Ratio of starting torque to rated torque (Ma/Mn) 2,5
Ratio of sweeping torque to rated torque (Mmax/Mn) 2,9
Moment of iniertia, (J), (kgm²) 1,00
Product series 3SIE
Cooling (IC) 411
Temperature rise class B
Weight
Net weight (kg) 520
Material and colour
Colour Blue, RAL 5010
Housing Cast iron
Bearings DE and NDE
Bearing DE 6315 C3
Bearing NDE 6315 C3

Dimensions are in millimeters (mm) unless otherwise noted.

Housing
AC 540
AD 415
bW 2×M63+1×M20
L 1040
Shaft
D 65
GA 69
F 18
DH M20x42
E 140
Flange, B5
LA (B5) 23
M (B5) 500
N (B5) 450
P (B5) 550
S, mm Ø (B5) 19
T (B5) 5
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