15.5kV Outdoor Automatic Recloser
The 15.5kV outdoor automatic recloser serves 11kV three-phase AC overhead distribution lines (50/60Hz). Features solid-insulated vacuum interrupter poles with silicone-composite epoxy resin encapsulation, monostable permanent-magnet actuator with simple construction and long mechanical life. Stainless steel enclosure with outdoor powder-coat corrosion protection. IP65/IP67 rated, suitable for altitudes up to 2,000m, pollution level IV.
Key Features
- 15.5kV rated voltage, 630A rated current
- Power-frequency withstand: 50kV; Lightning impulse: 110kV
- 10,000 mechanical operations life
- Closing time: ≤60ms; Opening time: ≤45ms
- Partial discharge: ≤20pC at 1.2Ur/√3
- Built-in CT: 600A/1A, accuracy class 0.5S
- Three-phase synchronization: ≤2ms
- Contact bounce: ≤2ms
- Operating temperature: -40°C to +45°C
- IEC 62271-111 compliant
Technical Specifications
| Rated Voltage | 15.5kV |
| Rated Current | 630A |
| Power-Frequency Withstand (Phase/Earth & Across Gap) | 50kV |
| Lightning Impulse Withstand (Peak) | 110kV |
| Mechanical Life | 10,000 operations |
| Contact Gap | 11±1mm |
| Closing Time | ≤60ms |
| Opening Time | ≤45ms |
| Partial Discharge | ≤20pC |
| Built-in CT Ratio | 600A/1A |
| CT Accuracy Class | 0.5S (5P10) |
| Operating Temperature | -40°C to +45°C |
| Frequency | 50/60Hz |
| Protection Rating | IP65/IP67 |
| Standard | IEC 62271-111 |
Applications
Standards Compliance
Related Products
27kV Outdoor Automatic Recloser
The 27kV outdoor automatic recloser serves 24kV three-phase overhead distribution lines (50/60Hz), compliant with IEC 62271-111 and benchmarked against IEEE C37.60. Widely adopted in South America, North America, East/South Africa, Southeast Asia, and Oceania where 24kV grids prevail. Available in three-phase ganged single-mechanism or three-phase independent mechanism configurations — independent mechanism is preferred for export projects. Upgraded insulation distances and vacuum interrupter sizing compared to the 15.5kV model. 304/316 stainless steel enclosure with outdoor powder-coat protection.
38kV Outdoor Automatic Recloser
The 38kV outdoor automatic recloser serves 33kV three-phase overhead distribution lines (50/60Hz), compliant with IEC 62271-111 and IEEE C37.60. The highest voltage class in the NAIJI recloser series, completing the 15.5kV / 27kV / 38kV sequence for global 11kV, 24kV, and 33kV grid coverage. Available in three-phase ganged or independent mechanism configurations. Significantly upgraded insulation distances, creepage distances, and vacuum interrupter sizing. 304/316 stainless steel enclosure with outdoor corrosion protection.
Frequently Asked Questions
What is the rated voltage of the 15.5kV Outdoor Automatic Recloser?
What is the lead time for 15.5kV Outdoor Automatic Recloser?
Can the 15.5kV Outdoor Automatic Recloser be customized for OEM projects?
What standards does the 15.5kV Outdoor Automatic Recloser comply with?
Interested in 15.5kV Outdoor Automatic Recloser?
Get factory-direct pricing, technical specifications, and custom configuration options.