Model: 4-Inch Submersible Oil-Filled (OF) Motor
Power Output: 10 HP (7.5 kW)
Phase: 3-Phase
Construction: Oil-Filled (OF) Design
SKU: ACSOF1000TP
Specifications
Motor Diameter: 4 Inches (Standard NEMA mounting)
Voltage: 380-415 V / 50 Hz
Insulation Class: Class B/F (Engineered for standard to medium-duty operations)
Protection Rating: IP 68 (Submersible)
Housing Material: Corrosion-resistant stainless steel (AISI 304)
Cooling/Lubrication: Non-toxic, high-dielectric mineral oil-filled design for optimal lubrication of internal bearings and heat transfer.
Shaft Material: Hardened stainless steel
Bearing System: Industrial-grade, lubricated radial and thrust bearings designed for smooth operation and long-term service life.
Key Features
Oil-Filled Advantage: The oil-filled architecture provides excellent cooling properties and superior lubrication for all internal components, ensuring long-lasting performance in clean-to-moderately-silty water conditions.
Self-Lubricating System: Constant lubrication of the thrust and radial bearings reduces friction and mechanical wear, supporting the 10 HP power output effectively.
Pressure Equalizing Diaphragm: Features an internal pressure-equalizing rubber diaphragm that allows for thermal expansion of the oil as the motor heats up during operation.
High-Quality Sealing: Advanced mechanical seal assembly prevents water ingress and ensures the internal oil remains uncontaminated.
Installation and Use Notes
Electrical Protection: A professional 3-phase control panel equipped with thermal overload protection and single-phasing/imbalance monitoring is mandatory. Calibrate the overload relay precisely to the motor’s Full Load Amperage (FLA) to prevent damage.
Cooling Requirement: Ensure a minimum flow velocity of 0.08 m/s past the motor casing. If the borehole diameter is significantly larger than the 4-inch motor, a flow induction shroud is recommended to ensure adequate heat dissipation.
Handling: Use only the lifting eyes provided on the motor head for installation. Never support the motor or pump assembly by the power cable.
Cable Connection: This unit is designed for reliable performance with standard submersible flat cable. Ensure all splices are made using a professional-grade, resin-encapsulated submersible kit.