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» K280M-4
Motor Type:
K280M-4 60Hz 50Hz
Low Voltage 3-Phase Cast Iron
 Series: K • Frame: 280M • 4 Poles/1,780 RPM • 103.50kW/143.75hp • Mounting: V1 • CAST IRON MOTOR
ManufacturerValiadis SA
FamilyK Series
Family / FrameK280M
Rated / Power103.50 kW / 143.75 hp
Speed1,780 RPM
MountingV1
Voltage / Connection440-Δ/759-Y
Frequency60 Hz
Enclosure ΙΡ55
Full load current 0.00 A
Full load current159.92 A / 92.33 A
No load current34.57
Insulation classF
Temperature rise60.3
Cable entriesM63x1,5
Comment3x PTC 150 °C
FeatureCAST IRON MOTOR
Rotor current0.00
Rotor voltage0

100%75%50%25%
Power factor0.900.890.850.69
Efficiency94.6894.7194.4090.84
Sound pressure level (1m)77 dB(A)
Resistance R0.071 Ω
Resistance of phase to phase0.047 Ω
Moment of inertia1.4600
Torque556.52
Locked rotor torque / full load torque2.19
Star delta torque / full load torque0.68
Pull up torque / full load torque2.50
Star delta pull up torque / full load torque0.78
Pull out torque / full load torque2.80
Star delta pull out torque / full load torque0.88
Locked rotor current / full load current6.18
Star delta locked current / full load current1.93
Bearing DE6317C3
Bearing NDE6317C3
Vibration0.00

Warranty12-18 months
Weight667.0
CodeK_4_000125.00_280M_V1_1
100%75%50%25%
Power factor0.900.890.850.69
Efficiency94.6894.7194.4090.84

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