Product Overview
Epoxy Insulated Fault Interrupters are integral to modern distribution automation systems, allowing for quick fault detection and isolation. These high-efficiency devices are designed to operate with minimal energy losses, often exceeding standard efficiency ratings, and are crucial for maintaining quality first management in distribution networks.
Properties and Uses
These fault interrupters are specifically designed for the automatic operation of 25.8kV overhead distribution lines. They provide reliable performance for distribution automation applications.
| PropertyValue |
| Rated Voltage | 25.8kV |
| Rated Current | 400A |
| Frequency | 60Hz |
| Short-time Rated Current | 12.5kA |
| Rated Making Current (peak) | 32.5kA / 2Times |
Technical Specifications
| SpecificationValue |
| Rated Voltage | 25.8kV |
| Rated Current | 400A |
| Rated Cutout Current | 12.5kA |
| Rated Frequency | 60Hz |
| Rated Short Time Current (RMS) | 12.5kA |
| Rated Making Current (peak) | 32.5kA (5times) |
| Power Frequency Withstand Voltage | 60kV |
| Lightning Impulse Withstand Voltage | 150kV |
| Operation Method | Automatic, Manual |
| Mechanical endurance (times) | 5,000 times |
| Insulation Medium | Switch Part: VI (vacuum), Conduction Part: Epoxy |
| Applied Standard | KEPCO ES-5925-0135, IEC 62271-111 |
| Control Circuit Operation Power | AC220V, DC24V |
