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Electric motor W22 S. 280S/M-04 (75,0-1480)

Three-phase asynchronous electric motor

Brand: WEG
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Electric motor W22 S. 280S/M-04 (75,0-1480)
Electric motor W22 S. 280S/M-04 (75,0-1480)
Electric motor W22 S. 280S/M-04 (75,0-1480)
Electric motor W22 S. 280S/M-04 (75,0-1480)
Electric motor W22 S. 280S/M-04 (75,0-1480)
Electric motor W22 S. 280S/M-04 (75,0-1480)
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Product Code: ID31112
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Three-phase asynchronous motor WEG W22 Standard 280S/M-04: Output: 75.0 kW ; Full load speed: 1500 vol./min. ; Frame (height of the axis of rotation): 280 mm ; shaft diameter: 65 mm ; Voltage: 380 V .

Voltage, V:380
Power kW:75.0
Vol./Min:1500
n, vol./Min:1480
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Electric motor W22 S. 280S/M-04 (75,0-1480)
Description

The appointment motor WEG W22 Standard 280S/M-04

Low-voltage three-phase asynchronous motors WEG W22 Standard 280S/M-04 standard 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 Standard 280S/M-04

  • Degree of vibration: A
  • Energy efficiency class - Standard (IE1)
  • 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 Standard 280S/M-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 cast iron 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 Standard 280S/M-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 Standard 280S/M-04
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
W22
Shaft diameter, mm
65
Voltage, V
380
Frequency of the current, Hz
50
Power kW
75.0
Vol./Min
1500
n, vol./Min
1480
Motor insulation class
F
Class of protection, IP
55
Efficiency, %
93,3
Power factor, cosφ
0,88
Weight, kg
639,0
Torque, N*m
483,0
Rotor's moment of inertia, kg*m2
1,85
22/48
IC411
Consumed nominal current, In (A)
139,0
Dimension (height of rotation axis), mm
280
Mode
S1
Noise level at 3m, dB(A)
69
The ratio of max. torque to rated power, Mmax/Mn
2,6
The ratio of starting current to the nominal, Istart/In
6,6
The ratio of starting torque to rated power, Mstart/Mn
2,0

Motor dimensions scheme WEG W22 Standard 280S/M-04

Motor dimensions WEG W22 Standard 280S/M-04


Motor
model		 Mounting and connecting dimensions, mm
A AA AB AC AD** AD' B BA BB BD C CA
WEG W22 Standard 280S/M-04 457 100 557 599 442 472 368/419 151 517 49 190 385/334


Motor
model		 Mounting and connecting dimensions, mm (continued)
D DA E EA ES F FA G GB GD GF TS
WEG W22 Standard 280S/M-04 75m6 65m6 140 140 125 20 18 67,5 58 12 11 125


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 Standard 280S/M-04 280 42 383 580 696 550 667 266 145 24 1071 1223 314 312 2xM63x1,5 M20 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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