electric motors, motors, pumps, gears, inverters, inverter, soft starters, high voltage motors, special motors, brake motors, slip ring motors, liquid starters, medium voltage motors, direct current motors, squirrel cage motors, slip-ring motors, low voltage motors, flange-mounting motors, frequency converters, frequency changers, motor bases, pulleys, bearings
Motors search
Power (kW/hp):
Poles/Speed (RPM):
Mounting:
Family:
  »
» K250M-4
K250M-4 60Hz 50Hz
Low Voltage 3-Phase Cast Iron
 Series: K • Frame: 250M • 4 Poles/1,476 RPM • 55.00kW/75.00hp • Mounting: B3 • Cast Iron Motor
ManufacturerValiadis SA
FamilyK Series
Family / FrameK250M
Rated / Power55.00 kW / 75.00 hp
Speed1,476 RPM
MountingB3
Voltage / Connection400-Δ/690-Y
Frequency50 Hz
Enclosure IP55
Full load current95.74 A / 55.27 A
No load current29.67
Insulation classF
Temperature rise65.4
Cable entriesM63x1,5
Comment3x PTC 150 °C
FeatureCast Iron Motor

100%75%50%25%
Power factor0.890.880.840.67
Efficiency93.3293.2392.2687.84
Sound pressure level (1m)75 dB(A)
Resistance R0.120 Ω
Resistance of phase to phase0.080 Ω
Moment of inertia0.6600
Torque356.00
Locked rotor torque / full load torque2.30
Star delta torque / full load torque0.72
Pull up torque / full load torque1.70
Star delta pull up torque / full load torque0.53
Pull out torque / full load torque2.54
Star delta pull out torque / full load torque0.79
Locked rotor current / full load current6.00
Star delta locked current / full load current1.88
Bearing DE6314C3
Bearing NDE6314C3

Warranty12-18 months
Weight427.0
Code21/4-075.00/3
In stock7

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