HGF Low and Medium Voltage Motors

  • Description

    The HGF Motors are designed according to the most demanding technological standards available on the market, using modern computer software for mechanical, electrical and thermal analysis evidenced by performing rigid tests and checks.

    The result of this innovative development is a flexible product, suitable to the requirements of international standards and fully aligned with world market trends.

  • Features

    • Output: 90 kW to 3150 kW
    • Number of poles: 2, 4, 6, 8, 10 and 12
    • Frame sizes: 315 to 630
    • Frequency: 50 Hz
    • Voltage: 380 to 6600 V
    • Service factor: 1.00
    • Insulation: Class F (DT 80K)
    • Degree of protection: IP55
    • Mounting: B3
    • Cooling Method: TEFC – IC411
    • Encloure material: FC-200 cast iron
    • Fan covers: FC-200 cast iron for frames up to 400 and steel for frames 450 and above
    • Fans: Aluminum for frames up to 500 and steel constructed for frames 560 and above
    • Terminal Box: FC-200 cast iron
    • Accesories terminal box: FC-200 cast iron
    • Thermal protections:
      • Windings: 3-wire PT-100, 2 per phase
      • Bearings: 3-wire PT-100, 1 per bearing
    • Bearings:
      • Grease lubricated ball bearings for frames up to 500
      • Grease lubricated roller bearings for frames 560 (in 4, 6, 8, 10 and 12 pole)
      • Insulated non-drive end bearing for frames 400 and above
    • Bearing seals:
      • For grease lubricated bearings: Labyrinth seal
      • For oil lubricated bearings and sleeve bearings: Mechanical seal
    • Vibration: Grade A
    • Balancing: with half key
    • Shaft locking device for bearings protection
    • Nameplate: AISI 304 stanless steel (laser recorded)
    • Drain: Automatic plastic plug
  • Available Options

     A wide range of optionals is available:

    • Suitable for VFD application
    • Encoder Dynapar HS 35
    • Degree of protection: IP55W or higher
    • Mounting: Other mounting configurations, including vertical for high thrust applications
    • Cooling method: TEBC – IC415
    • Fans: FC-200 cast iron
    • Surrounding mufler
    • Drip cover for shaft down applications
    • Terminal boxes: Steel welded terminal boxes
    • Second terminal box: For “Y” connection with accessible neutral terminal
    • Cable glands: Plastic, brass, or stainless steel threaded
    • Thermal protection: Bimetallic thermal protection, Thermistors (PTC), or calibrated PT-100 for alarm or tripping, at windings or bearings
    • Thermometer on bearings with gauge with/without contacts
    • Bearings:
      • Oil lubricated bearings
      • Sleeve bearings for all frame sizes
      • Insulated non-drive end bearings for frames up to 355
      • Insulated drive end bearings for VFD applications
      • Insulating brush kit for drive end shaft for VFD applications
      • Bearings designed for vertical mounting for normal or high thrust applications
    • Vibration: Grade B
    • Suitable for vibration detector SPM
    • Balancing: Special balance levels
    • Voltage surge protection: lightning arrestors and capacitor
    • Stainless steel fixing screws
    • Internal epoxy coating (tropicalization)

    Other Features available under request

    • Voltage: 6900 to 11,000 V
    • Service Factor: 1.15 or 1.25
    • Insulation class: F(DT 105K), H(DT 80K, 105K or 125K)
    • Independent hydraulic oil circulation system for sleeve bearings
    • CT for differential and integral protection
    • Power factor correction capacitors
    • Signal tranducer
    • Special shaft dimensions
    • Tacogenerator
    • Non-reverse ratchet
    • Base: rail, sliding base, extended feet, rebuilt feet, anchorage plate

Official Distributor

Stiavelli Irio srl is one of the greatest WEG Distributors for more than 20 years, with competence, experience and professionalism.

Outstanding support

Our WEG awarded expert technicians and sales team are  always available to provide You with right answers as soon as possible.

Official Service

Official awarded WEG Service with expert technicians directly trained at WEG’s. Spare parts warehouse and technical laboratory.