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W22Xe IE2 0.25 kW 4P 71 3Ph 230/400//460 V 50 Hz IC411 - TEFC - B3T

Product: 14502383
W22Xe “Ex eb” Increased Safety motors are certified for installation in hazardous areas defined as Zone 1 and, optionally, “Ex tb”, Zone 21.
Increased Safety “Ex eb” motors are designed to prevent the occurrence in operation (including starting & locked rotor conditions) of rcs, sparks and excessive overheating of all inner and outer surfaces of the machine which could reach the self ignition temperature of the surrounding potentially explosive atmosphere.
Product features
Standard IEC 60034-1
Frequency 50 Hz
Voltage 230/400//460 V
Number of poles 4
Degree of Protection IP55
Synchronous speed 1500 rpm
Output rating 0.25 kW
Mounting Foot-mounted
Flange Without
Mounting B3T
Terminal box¹ Top
Enclosure IC411 - TEFC

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Product details

Electric Motors

Frame 71
Output 0.25 kW
Number of Poles 4
Frequency 50 Hz
Rated speed 1410 rpm
Slip 6.00 %
Rated voltage 230/400 V
Rated current 1.24/0.714 A
L. R. Amperes 5.96/3.43 A
LRC 4.8
No load current 0.870/0.500 A
Rated torque 0.173 kgfm
Locked rotor torque 220 %
Breakdown torque 229 %
Locked rotor time 54s (cold) 30s (hot)
Moment of inertia (J) 0.0009 kgm²
Design N
Insulation Class F
Service factor 1.00
Temperature rise 70 K
Duty Cycle S1
Starting Method Direct On Line
Ambient temperature -20°C to +40°C
Altitude 1000 m.a.s.l.
Degree of Protection IP55
Enclosure IC411 - TEFC
Mounting B3T
Rotation¹ Both (CW and CCW)
Noise level² 43.0 dB(A)
Approx. weight³ 0.0 kg
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50% 75% 100%
65.7  68.7  70.2 

Power factor

50% 75% 100%
0.52  0.63  0.72 
Frame 71
Output 0.25 kW
Number of Poles 4
Frequency 60 Hz
Rated speed 1720 rpm
Slip 4.44 %
Rated voltage 460 V
Rated current 0.658 A
L. R. Amperes 3.49 A
LRC 5.3
No load current 0.500 A
Rated torque 0.142 kgfm
Locked rotor torque 260 %
Breakdown torque 280 %
Locked rotor time 54s (cold) 30s (hot)
Moment of inertia (J) 0.0009 kgm²
Design N
Insulation Class F
Service factor 1.00
Temperature rise 70 K
Duty Cycle S1
Starting Method Direct On Line
Ambient temperature -20°C to +40°C
Altitude 1000 m.a.s.l.
Degree of Protection IP55
Enclosure IC411 - TEFC
Mounting B3T
Rotation¹ Both (CW and CCW)
Noise level² 47.0 dB(A)
Approx. weight³ 0.0 kg
(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50% 75% 100%
66.7  68.7  70.1 

Power factor

50% 75% 100%
0.47  0.60  0.68 

Features

Frame Material Cast Iron 
Impregnation Method Double impregnation polyester 
Main terminal box hole M20x1,5 
Terminal Block Increased Safety 
Shaft Locking Device Without 
Drain Stainless Steel, Threaded 
Shaft Material SAE 1040/45 Carbon Steel 
Painting  
Grounding Lugs Double 
Fan Cover material Rolled Steel 
Tropicalized Painting Without 
Fan material Plastic 
Bearing cap No-Without Bearing Cap 
Bolt Material Carbon Steel 
Balancing Method Not Balanced 
Drip Cover Without 

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Bearing details

  Drive End Non Drive End
Bearing type 6202 ZZ   6202 ZZ  
Sealing V'Ring  V'Ring 
Lubrication interval
Lubricant amount
Grease Type Mobil Polyrex EM 

Foundation loads

Max. traction Max. compression
14 kgf  14 kgf