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3SIEL 280S-4 Electric motor

3SIE 280 4-pole
75 kW B3/B5 IE3

Item number:

118575

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Motor data 50 Hz
Power, 50 Hz (kW) 75
Voltage, 50 Hz (V) 400/690
Speed, 50 Hz (RPM) 1488
Current, 50 Hz, 400 V (A) 125,0
Power factor, 50 Hz (cos φ) 0,91
Efficiency 50 Hz, 100 % 95,0
Efficiency 50 Hz, 75 % 95,0
Efficiency 50 Hz, 50 % 93,9
Motor data 60 Hz
Power, 60 Hz (kW) 86,3
Voltage, 60 Hz (V) 460D
Speed, 60 Hz (RPM) 1787
Current, 60 Hz, 460 V (A) 125
Power factor, 60 Hz (cos φ) 0,91
Efficiency 60 Hz, 100 % 95,0
Efficiency 60 Hz, 75 % 95,2
Efficiency 60 Hz, 50 % 94,7
More technical information
Frame size 280
Poles 4
Mounting (IM) B3/B5
Shaft diameter (mm) 75
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) 6,8
Ratio of starting torque to rated torque (Ma/Mn) 2,0
Ratio of sweeping torque to rated torque (Mmax/Mn) 2,5
Moment of iniertia, (J), (kgm²) 1,37
Product series 3SIE
Cooling (IC) 411
Temperature rise class B
Weight
Net weight (kg) 900
Material and colour
Colour Blue, RAL 5010
Housing Cast iron
Bearings DE and NDE
Bearing DE 6318 C3
Bearing NDE 6318 C3

Dimensions are in millimeters (mm) unless otherwise noted.

Housing
bW 2×M63 + 1×M20
L 1135
Shaft
D 75
GA 79,5
F 20
DH M20x42
E 140
Feet, B3
A 457
AA 105
AB 550
B 368
BB 520
B1 419
BA1 130
BA2 165
C 190
H 280
HA 40
HD 720
K 24
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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