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Electric motor W22 H. 355A/B-04 (500,0-1490)

Three-phase asynchronous electric motor

Brand: WEG
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Electric motor W22 H. 355A/B-04 (500,0-1490)
Electric motor W22 H. 355A/B-04 (500,0-1490)
Electric motor W22 H. 355A/B-04 (500,0-1490)
Electric motor W22 H. 355A/B-04 (500,0-1490)
Electric motor W22 H. 355A/B-04 (500,0-1490)
Electric motor W22 H. 355A/B-04 (500,0-1490)
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Product Code: ID31302
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Three-phase asynchronous motor WEG W22 High 355A/B-04: Output: 500.0 kW ; Full load speed: 1500 vol./min. ; Frame (height of the axis of rotation): 355 mm ; shaft diameter: 100 mm ; Voltage: 380 V .

Voltage, V:380
Power kW:500.0
Vol./Min:1500
n, vol./Min:1490
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Electric motor W22 H. 355A/B-04 (500,0-1490)
Description

The appointment motor WEG W22 High 355A/B-04

Low-voltage three-phase asynchronous motors WEG W22 High 355A/B-04 high efficiency and low operating costs. Assignment for use in fans, pumps, centrifugal machines, machine tools and other industrial equipment.

Specifications of the motor WEG W22 High 355A/B-04

  • Degree of vibration: A
  • Energy efficiency class - High (IE2)
  • Ambient temperature: -30 °C to + 40 C, altitude: 1000 m
  • Insulation class: F
  • Degree of protection: IP55
  • Implementation of the fully closed fan-cooled (IC411)
  • Operating mode - S1
  • Shock resistance - IK08
  • Mounting method - SPM
  • Balancing with half key
  • Rated voltage / frequency - 380 V / 50 Hz

WEG W22 High 355A/B-04 motor features

WEG motors are manufactured with housing made of cast iron FC-200 providing maximum durability and resistance to aggressive environment. The cooling fins are designed to minimize the accumulation of moisture and dust on the engine. Solid motor feet provide maximum mechanical strength and simplify alignment and installation. The main body also has a prepared place for vibration sensors in its standard version. Cast iron terminal box can be located on different sides or on the top of the engine.

The bearing shields at the drive end are designed with fins for better heat dissipation and reduce the operating temperature of the bearings, thus, increasing the lubrication interval. The end shields are suited with openings for discharging the moisture that may condense inside the housing. The holes are closed with rubber drain plugs. Fan housing is made of steel and has aerodynamic characteristics to reduce noise and optimize distribution of the air flow between the housing ribs improving the heat exchange.

The shaft of W22 standard engine is made of steel. The shafts are supplied with an open keyway, threaded center bore. Motor WEG W22 High 355A/B-04 is equipped with ball bearings with deep groove. To compensate for axial displacement, the engines are equipped with pre-loaded washers. The shaft seal system used V-shaped sealing rings.

Motors can withstand an overload of 1.5 times the rated torque for 2 minutes.

Specifications
Common
Model
WEG W22 High 355A/B-04
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
W22
Shaft diameter, mm
100
Voltage, V
380
Frequency of the current, Hz
50
Power kW
500.0
Vol./Min
1500
n, vol./Min
1490
Motor insulation class
F
Class of protection, IP
55
Efficiency, %
96,3
Power factor, cosφ
0,87
Weight, kg
2246,0
Torque, N*m
3210,0
Rotor's moment of inertia, kg*m2
14,6
17/37
IC411
Consumed nominal current, In (A)
907,0
Dimension (height of rotation axis), mm
355
Mode
S1
Noise level at 3m, dB(A)
76
The ratio of max. torque to rated power, Mmax/Mn
2,7
The ratio of starting current to the nominal, Istart/In
7,3
The ratio of starting torque to rated power, Mstart/Mn
2,4

Motor dimensions scheme WEG W22 High 355A/B-04

Motor dimensions WEG W22 High 355A/B-04


Motor
model		 Mounting and connecting dimensions, mm
A AA AB AC AD** AD' B BA BB BD C CA
WEG W22 High 355A/B-04 610 140 750 736 701 755 710/800 325 955 70 254 528/438


Motor
model		 Mounting and connecting dimensions, mm (continued)
D DA E EA ES F FA G GB GD GF TS
WEG W22 High 355A/B-04 100m6 80m6 210 170 200 28 22 90 71 16 14 160


Motor
model		 Mounting and connecting dimensions, mm (continued)
H HA HB** HC HD HF** HG** HH HK K L LC LL LM S1 d1 d2
WEG W22 High 355A/B-04 355 50 154 723 885 665 847 340 355 28 1677 1872 443 730 2xM63x1,5 M24 M20

' Dimensions apply to two-pole motors
** The dimensions are suitable for mounting the terminal box on the right or left

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