Description
The Rewindable Oil-filled Motor is a high-performance, durable, and versatile motor designed for submersible applications, particularly in deep-well pumps. It conforms to international standards and is built to withstand harsh operating conditions. Below is a detailed summary of its features, specifications, and benefits:
Basic Characteristics:
- Compliance: Conforms to IEC34-ICE international standards.
- Type: Whole blocked asynchronous motor with a squirrel cage rotor.
- Construction Materials:
- Outer shell, shaft, and bottom made of stainless steel.
- Copper alloys or nickel-plated cast-iron upper and bracket.
- Pressure automatic adjusting device made of oil and waterproof reformed butyl rubber.
- Flange Connector: Complies with NEMA (USA National Electrical Manufacturing Association) standards.
- Customization: Special scaled products can be provided based on customer requirements.
Basic Features:
- Single-Phase:
- Power Range: 0.37–2.2 kW
- Voltage: 230V (±10%) / 50Hz
- Three-Phase:
- Power Range: 0.37–7.5 kW
- Voltage: 220V/380V (±10%) / 50Hz or 230V/400V (±10%) / 50Hz
- Thrust Load: 2500N or 4500N
- Degree of Protection: IP68 (fully submersible and dust-tight).
- Max. Ambient Temperature: 35℃
- Water pH Range: 6.5–8.0
- Max. Submerged Depth: 100 meters
- Insulation Class: F
- Minimum Cooling Flow Along the Motor: 8 cm/s
- Max. Starts per Hour: 30 times (evenly distributed).
- Mounting Position: Vertical or horizontal.
- Motor Protection: Equipped with a temperature-compensated thermal relay and extra-quick trip overload.
- Overload Trip Time: <10 seconds (at 5 times the rated current).
- Cable: Flat waterproof cable with a separate earth wire.
Cable Specifications:
| Motor Type | Power Range | Cable Dimension | Cable Length |
|---|---|---|---|
| Single-Phase | 0.37–1.1 kW | 4×1.5 mm² | 1.0 m |
| 1.5–2.2 kW | 4×2.5 mm² | 1.5 m (1.5 kW), 1.7 m (2.2 kW) | |
| Three-Phase | 0.55–3.0 kW | 4×1.5 mm² | 1.0 m (0.55–1.1 kW), 1.5 m (1.5 kW), 1.7 m (2.2–3.0 kW) |
| 4.0–7.5 kW | 4×2.5 mm² | 2.0 m (4.0 kW), 2.5 m (5.5 kW), 3.0 m (7.5 kW) |
Key Benefits:
- Durability: Stainless steel construction ensures corrosion resistance and long-term reliability.
- High Efficiency: Designed for optimal performance with minimal energy consumption.
- Versatility: Suitable for both single-phase and three-phase power supplies, with a wide power range.
- Deep-Well Capability: Can operate at submerged depths of up to 100 meters.
- Low Maintenance: Rewindable design and robust construction reduce downtime and maintenance costs.
- Safety Features: Equipped with thermal overload protection and quick trip functionality for safe operation.
Applications:
- Deep-Well Pumps: Ideal for extracting water from deep wells for residential, agricultural, or industrial use.
- Submersible Systems: Suitable for use in submersible pumps for irrigation, water supply, and drainage.
- Custom Solutions: Can be tailored to meet specific customer requirements.
Additional Notes:
- Rotation:
- Single-Phase: Counter-clockwise (CCW) when facing the shaft end.
- Three-Phase: Electrically reversible.
- Seal Lubricant Oil: Food-grade and pharmaceutical-grade oil for safe operation in potable water applications.
- Weight and Length: Approximate values; may vary based on specific configurations.
The Rewindable Oil-filled Motor is an excellent choice for submersible pump applications, offering a combination of durability, efficiency, and adaptability. Its robust design, compliance with international standards, and customizable features make it a reliable solution for deep-well and submersible pumping systems.
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