📘 ABB HIES208441R — 2.5 OHM Water-Cooled Resistor Product Overview
The ABB HIES208441R is a high-power, water-cooled resistor engineered for industrial and utility applications requiring precise current control and reliable heat dissipation. Designed to operate in demanding environments, this resistor offers stable resistance, superior thermal management, and exceptional durability. Its water-cooled design allows continuous operation at high power levels without compromising performance, making it ideal for use in variable speed drives, load banks, and industrial braking systems.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Model | HIES208441R |
| Resistance | 2.5 Ω |
| Product Type | Water-cooled power resistor |
| Manufacturer | ABB |
| Country of Origin | Sweden |
| Rated Power | 500 kW (continuous) |
| Cooling Method | Water-cooled |
| Tolerance | ±5% |
| Maximum Voltage | 1000 V DC |
| Thermal Resistance | 0.15 °C/W |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +80°C |
| Connection Type | Flanged terminals |
| Housing Material | Stainless steel with epoxy coating |
| Dimensions (L x W x H) | 650 mm × 200 mm × 300 mm |
| Weight | 45 kg |
| Ingress Protection | IP54 |
| Certifications | CE, UL |
| Mounting Type | Floor-mounted or panel-mounted |
| Applications | Variable speed drives, load banks, industrial braking systems |
| Maintenance Requirements | Water quality monitoring, periodic inspection of terminals |
🛠️ Key Features
- High-Power Handling: Supports continuous operation at 500 kW due to water-cooled design.
- Durable Construction: Stainless steel housing with epoxy coating ensures long-term reliability in industrial environments.
- Thermal Management: Water-cooling reduces thermal stress, allowing for consistent performance at high currents.
- Precision Resistance: ±5% tolerance ensures predictable electrical performance.
- Versatile Installation: Can be floor-mounted or integrated into control panels.
- Safety and Compliance: Certified with CE and UL standards, suitable for international industrial applications.
- Environmental Resilience: Operates reliably across a wide temperature range and with IP54 ingress protection.
🛠️ Installation and Maintenance Guidelines
Installation
- Ensure the power system is disconnected before installation.
- Mount the resistor securely on a floor frame or designated panel slot.
- Connect water supply and ensure proper flow for effective cooling.
- Attach electrical terminals according to wiring diagram and torque specifications.
- Test for correct resistance and water circulation before commissioning.
Maintenance
- Regularly inspect water-cooling system for leaks and flow consistency.
- Clean terminals to prevent oxidation and ensure stable connections.
- Monitor resistor temperature during operation to detect anomalies.
- Periodically verify water quality to prevent corrosion or scaling.
- Replace damaged or corroded components promptly to maintain system integrity.
🔗 Additional Resources
🔄 Similar Products
| Model | Resistance (Ω) | Rated Power | Cooling Method | Mounting Type |
|---|---|---|---|---|
| HIES208440R | 5.0 | 250 kW | Water-cooled | Floor-mounted |
| HIES208442R | 1.0 | 600 kW | Water-cooled | Panel-mounted |
| HIES208443R | 10.0 | 200 kW | Air-cooled | Floor-mounted |
| HIES208444R | 2.5 | 400 kW | Water-cooled | Panel-mounted |
| HIES208445R | 0.5 | 500 kW | Water-cooled | Floor-mounted |
