W22 General Purpose

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W22
INDUCTION MOTORS THREE PHASES
FEATURES FOR HIGH EFFICIENCY (IE2) AND PREMIUM EFFICIENCY (IE3) AND SUPER PREMIUM (IE4)

THREE-PHASE - TEFC (IP55)
CAST IRON FRAME

Electrical:
• Class “F” insulation
• Ambient temperature: 40 °C at 1000 masl
• Service Factor (SF): 1.00
• Design: N
• Continuous duty: S1
• Terminal block (6 pins)
• Thermistors (1/ phase) from frame size 160 and above

Mechanical:
• Squirrel cage rotor (Aluminium die Cast)
• Enclosure: TEFC (Totaly Enclosed Fan Cooled)
• Ball bearings, possibility to have NU bearings side DE
• V'Ring seal for frames 63 up to 200L
WSeal from frame size 225S/M and above
• Grease nipple system from frame size 225S/M and above
3 Grounding Lugs (1 inside terminal box and 2 at the frame) for frame sizes 225S/M and above
• Shaft material: AISI 1040/45 (63 up to 315S/M) and AISI 4140 (315L, 355M/L and 355A/B)
• Rubber drain plug (frames 160 to 355)
• Flat surfaces (2 in the NDE part of frame) and 3 in the DE side for vibration measurement (frames 160 up to 355)

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