4WYM / 4WYT

Summary

Product identification

• Product line: EBARA 4WY Series
• Description: 4” Water Filled Submersible Motors
• Manufacturer: EBARA Pumps Europe S.p.A.

Technical Characteristics

• Hermetically sealed stator with epoxy resin able to guarantee better electrical insulation and provide high efficiency heat dissipation.
• Rotor and bearings lubricated with water and propylene glycol.
• Extractable connection cable.
• External jacket in AISI 304.
• Upper support in cast iron.
• Cover upper support in AISI 304.
• Motor seal complete with sand protection.
• Compensation diaphragm.
• Standard NEMA connections.
• Check valve for refrigerant liquid.

Operating limits

• Maximum voltage variation from nominal: +6% / -10%
• Maximum ambient temperature: 35°
• Minimum cooling flow rate: 0,08 m/sec
• Maximum starts/hr: 30
• Maximum installation depth: 150 m
• Operation: Vertical/horizontal
• Water pH: 5,8 up to 8,6
• Axial thrust:
  • 1500 N up to 0,75 kW
  • 3000 N up to 2,2 kW
  • 6500 N up to 5,5 kW
  • 4000 N optional

Electrical

• Protection degree: IP68
• Insulation class: F
• Technical Data Tables (50 Hz): Detailed electrical specifications including P2 (kW/HP), In (Amp), Istart (Amp), RPM, Cosφ, Ts/Tn, EFF%, Crun (µF), and Cstart (µF) are provided for single-phase 230V and three-phase 220V/400V models. See the official PDF for exact tabulated values.
• Cable Selection: A table is provided for selecting appropriate cable cross-sections (e.g., 4x1 mm², 4x1.5 mm², etc.) based on motor power and cable length for both single-phase 230V and three-phase 400V motors. See the official PDF for exact tabulated values.

Mechanical / Hydraulic

• Dimensions:
  • Motor diameter: Ø 94 mm
  • Shaft diameter: Ø 15.55 ±0.03 mm
  • Flange diameter: Ø 87.28 ±0.025 mm
  • Mounting holes: N° 4xM8
  • Overall height (H) varies by model.
• Dimensions Table (50 Hz): Specific dimensions (H, Cable Sez. mm², A mm, B mm) and weight (kg) are provided for various single-phase 230V and three-phase 400V models. See the official PDF for exact tabulated values.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror