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» K280S-4
K280S-4 60Hz 50Hz
Low Voltage 3-Phase Cast Iron
 Series: K • Frame: 280S • 4 Poles/1,481 RPM • 75.00kW/100.00hp • Mounting: B35 • Cast Iron Motor
ManufacturerValiadis SA
FamilyK Series
Family / FrameK280S
Rated / Power75.00 kW / 100.00 hp
Speed1,481 RPM
MountingB35
Voltage / Connection400-Δ/690-Y
Frequency50 Hz
Enclosure IP55
Full load current129.45 A / 74.74 A
No load current33.56
Insulation classF
Temperature rise74.3
Cable entriesM63x1,5
Comment3x PTC 150 °C
FeatureCast Iron Motor

100%75%50%25%
Power factor0.890.880.840.68
Efficiency93.5093.3692.2387.75
Sound pressure level (1m)72 dB(A)
Resistance R0.094 Ω
Resistance of phase to phase0.063 Ω
Moment of inertia1.1200
Torque483.77
Locked rotor torque / full load torque2.37
Star delta torque / full load torque0.74
Pull up torque / full load torque1.91
Star delta pull up torque / full load torque0.60
Pull out torque / full load torque2.79
Star delta pull out torque / full load torque0.87
Locked rotor current / full load current6.50
Star delta locked current / full load current2.03
Bearing DE6317C3
Bearing NDE6317C3

Warranty12-18 months
Weight562.0
Code21/4-100.00/6

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Athens, Greece: 18, Gr. Lambraki Str., 141 23 Likovrisi. Tel: +302102817217. Fax: +302102814277. valiadis@valiadis.gr