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» K355M-4
Motor Type:
K355M-4 60Hz 50Hz
Low Voltage 3-Phase Cast Iron
 Series: K • Frame: 355M • 4 Poles/1,780 RPM • 287.50kW/391.00hp • Mounting: B5 • CAST IRON MOTOR
ManufacturerValiadis SA
FamilyK Series
Family / FrameK355M
Rated / Power287.50 kW / 391.00 hp
Speed1,780 RPM
MountingB5
Voltage / Connection440-Δ/759-Y
Frequency60 Hz
Enclosure IP55
Full load current 0.00 A
Full load current440.85 A / 254.53 A
No load current88.43
Insulation classF
Temperature rise76.3
Cable entriesM72x1,5
Comment3x PTC 150 °C
FeatureCAST IRON MOTOR
Rotor current0.00
Rotor voltage0

100%75%50%25%
Power factor0.900.900.870.75
Efficiency95.5695.4494.7291.65
Sound pressure level (1m)76 dB(A)
Resistance R0.014 Ω
Resistance of phase to phase0.009 Ω
Moment of inertia5.6700
Torque1,546.46
Locked rotor torque / full load torque2.02
Star delta torque / full load torque0.63
Pull up torque / full load torque1.87
Star delta pull up torque / full load torque0.58
Pull out torque / full load torque2.76
Star delta pull out torque / full load torque0.86
Locked rotor current / full load current6.26
Star delta locked current / full load current1.96
Bearing DE6322C3 OR NU322
Bearing NDE6322C3
Vibration0.00

Warranty12-18 months
Weight1,760.0
CodeK_4_000340.00_355M_B5_1
100%75%50%25%
Power factor0.900.900.870.75
Efficiency95.5695.4494.7291.65

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