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Electric motor W22 H. 112M-02 (4,0-2855)

Three-phase asynchronous electric motor

Brand: WEG
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Electric motor W22 H. 112M-02 (4,0-2855)
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Product Code: ID31228
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Three-phase asynchronous motor WEG W22 High 112M-02: Output: 4.0 kW ; Full load speed: 3000 vol./min. ; Frame (height of the axis of rotation): 112 mm ; shaft diameter: 28 mm ; Voltage: 380 V .

Voltage, V:380
Power kW:4.0
Vol./Min:3000
n, vol./Min:2855
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Electric motor W22 H. 112M-02 (4,0-2855)
Description

The appointment motor WEG W22 High 112M-02

Low-voltage three-phase asynchronous motors WEG W22 High 112M-02 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 112M-02

  • 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 112M-02 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 112M-02 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 112M-02
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
W22
Shaft diameter, mm
28
Voltage, V
380
Frequency of the current, Hz
50
Power kW
4.0
Vol./Min
3000
n, vol./Min
2855
Motor insulation class
F
Class of protection, IP
55
Efficiency, %
85,4
Power factor, cosφ
0,89
Weight, kg
38,0
Torque, N*m
13,3
Rotor's moment of inertia, kg*m2
0,0066
16/35
IC411
Consumed nominal current, In (A)
8,0
Dimension (height of rotation axis), mm
112
Mode
S1
Noise level at 3m, dB(A)
64
The ratio of max. torque to rated power, Mmax/Mn
2,9
The ratio of starting current to the nominal, Istart/In
6,5
The ratio of starting torque to rated power, Mstart/Mn
2,3

Motor dimensions scheme WEG W22 High 112M-02

Motor dimensions WEG W22 High 112M-02


Motor
model		 Mounting and connecting dimensions, mm
A AA AB AC AD** AD' B BA BB BD C CA
WEG W22 High 112M-02 190 40,5 220 222 192 192 140 - 177 - 70 128


Motor
model		 Mounting and connecting dimensions, mm (continued)
D DA E EA ES F FA G GB GD GF TS
WEG W22 High 112M-02 28j6 24j6 60 50 45 8 6 24 20 7 7 36


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 112M-02 112 10 54,5 235 280 112 - 140 79 12 393 448 140 133 2xM32x1,5 M12 M10

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

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