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PRODUCTS // WEG // HGF Line

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WEG high voltage motors, H line present simple and compact construction and are manufactured in finned cast iron frames being very robust for severe duty applications. 

Besides counting on a structural block that forms the frame, external cooling fins along with cooling ducts and an internal and another external fans are also provided resulting in an inside temperature balance with further extension of its winding life time and improved performance.

  • Sinusoidal power supply of 1,000 to 11,000 V

 

  • Motors manufactured in 2 to 12 poles

 

  • Cast iron frame 315 to 630

 

  • Internal and external self-ventilated enclosed cooling system

 

  • Mounting: B3

 

  • Degree of Protection: IP55

 

  • Service duty: (S1)

 

  • Class of insulation: F

 

  • Service Factor: 1.0

 

  • Temperature rise: 80°C

 

  • Ambient temperature: 40°C

 

  • Altitude: 1000 m

 

  • Temperature detector: Pt100, 1 per bearing with 3 wires

 

  • Temperature detector: Pt100, 2 per phase with 3 wires

 

  • Two accessory terminal boxes, one for signal accessories and the other for those accessories requiring power supply (space heaters)

 

  • Single phase space heater

 

  • Labyrinth tachonite in grease lubricated bearings

 

  • Grease lubricated bearings:
    - For 2 pole motors in the following frame sizes:
        - Up to frame 400 (inclusive) for 60 Hz;
        - Up to frame 450 (inclusive) for 50 Hz;
    - For 4 pole motors in the following frame sizes:
        - Up to frame 560 (inclusive) for 60 and 50 Hz;
    - Grease lubricated bearings for 6 pole motors and above;

 

  • Sleeve bearings:
    - For 2 pole motors in the following frame sizes:
        - Frame 450 and above for 60 Hz;
        - Frame 500 and above for 50 Hz;
    - For 4 pole motors in frame 630.

 

  • Electrically insulated non-drive end bearing for frames 450 and above, when connected directly to the power supply

 

  • Painting: Acrylic polyurethane Polyamide epoxy (Final coat: Blue RAL 5007)

 

  • Stainless steel nameplate

 

  • Grounding lug on the frame and terminal box

 

  • 03 connection terminals in the terminal box (terminal block)

 

  • Low voltage

 

  • VFD application

 

  • Service Factor: 1.15

 

  • Class if insulation: H

 

  • Temperature rise: 105°K for class F

 

  • Temperature rise: 125°K for class H

 

  • Ambient temperature above 40°C (on request)

 

  • Altitude above 1000 m (on request)

 

  • Mountings: B5, B35, V1, V3, V5, V6, V18, V19, V36

 

  • Degree of Protection: IPW55 and above

 

  • Classified area classification: Ex-n , Ex-e

 

  • Special balance

 

  • Base: rail, sliding base, extended feet, rebuilt feet, anchorage plate

 

  • Steel welded terminal box in different sizes based on internal available space

 

  • Power factor correction capacitors

 

  • Non-reversion ratchet

 

  • Centrifugal switch

 

  • Temperature detector: Thermistor (PTC or NTC)

 

  • Temperature detector: Thermostat (Bimetallic)

 

  • Two energized power terminal boxes

 

  • One or more terminal boxes

 

  • Shaft: Special dimensions, double shaft end, tapered, hollow, special steel

 

  • Encoder

 

  • Sleeve bearing

 

  • Oil lubricated bearing

 

  • Special bearing (overdesigned) for axial or radial thrust

 

  • Special painting

 

  • Terminal block

 

  • Cable gland in the terminal box entrance

 

  • Protection against voltage surge: Lighting arrestors and Capacitors

 

  • Aluminum, copper or brass rotor

 

  • Vibration detector

 

  • Noise suppressor in the air inlet and outlet

 

  • Tachogenerator

 

  • CT for differential and integral protection

 

  • Bearing thermometer with gauge with/without contacts

 

  • Signal transducer

 

  • Independent hydraulic oil circulation system for sleeve bearing

 

  • Electrically insulated non-drive end bearing for all frame sizes with driven by frequency drive

 

  • Both bearings are electrically insulated

 

  • Grounding brush on drive end bearing for all frames when driven by frequency converter (except for classified area)

 

  • Independent ventilation

 

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