Drop off fuses
Inquire NowDescription
The HRW12 series drop off fuses are engineered for exceptional performance in the primary side of 15-36kV distribution line transformers. These fuses serve as vital backup protection and facilitate seamless system and equipment switching operations. Designed to be installed on branch lines, they significantly reduce the power outage range by providing an obvious disconnection point and functioning as an isolation switch. This ensures a safe working environment for maintenance personnel. The fuses enable shutdown and power transmission even under load, showcasing their reliability. Crafted with safety and usability in mind, they comply with national standards IEC 60282-2, making them an optimal choice for your electrical safety needs.
Specifications
| Product Model | Rated Voltage | Rated Current | Lightning Impulse Withstand Voltage | 1 Min Power Frequency Withstand Voltage | Creepage Distance |
|---|---|---|---|---|---|
| HRW12-15/100 | 15 kV | 100A | To ground 12.5 kV Fracture 130 kV |
To ground 50 kV Fracture 76 kV |
≥ 525 mm |
| HRW12-33/100 | 33 kV | 100A | To ground 250 kV Fracture 260 kV |
To ground 95 kV Fracture 105 kV |
≥ 1080 mm |
Additional Information
- The operating altitude must not exceed 3000m.
- Ensure the environment is free from conductive dust and corrosive, flammable, or explosive gases.
- For installation heights of 0-30m, the maximum wind speed is 35m/s; for heights of 30-50m, it is 45m/s.
- The earthquake intensity should not exceed magnitude 5.
- The annual temperature range should be maintained within -5℃ to +45℃.
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