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Chaves de Carga SF6
FZW28-12 Boundary Load Break Switch
The FZW28-12 is an outdoor pole-mounted boundary load break switch (also called sectionalizer) combining SF6 insulation, vacuum interrupter, and an intelligent boundary controller. Automatically detects and isolates customer-side faults, protecting the upstream distribution network.
Principais Caracteristicas
- 12kV rated voltage, 630A rated current
- Three-phase SF6 gas-insulated sealed box
- Built-in vacuum interrupter for fault breaking
- Boundary fault controller with CT
- Auto-detection of single-phase ground faults
- GSM/GPRS fault notification to operators
- Mechanical life: 10,000 operations
- Electrical life: 10,000 operations at rated current
Especificacoes Tecnicas
| Rated Voltage | 12 kV |
| Rated Current | 630 A |
| Rated Frequency | 50 Hz |
| Rated Peak Withstand Current | 50 kA |
| Rated Short-Time Withstand Current | 20 kA / 4s |
| Rated Short-Circuit Making Current (Peak) | 50 kA |
| Mechanical Life | 10,000 operations |
| Power Frequency Withstand (Wet) | 34/35 kV |
| Power Frequency Withstand (Dry) | 42/49 kV |
| Lightning Impulse Withstand | 75/85 kV |
| SF6 Gas Pressure | 0 MPa (sealed) |
| Contact Gap | 8 ± 1 mm |
| Closing Time | <300 ms |
| Opening Time | 18-45 ms |
Aplicacoes
Urban and rural distribution networksGrid boundary point automationIndustrial/mining distribution protectionCity grid and rural grid modernization
Conformidade com Normas
IEC 62271-103GB/T 10963
Resposta em 12hCertificado ISO / CE / CCCOEM Disponivel
Perguntas Frequentes
Qual e a tensao nominal do FZW28-12 Boundary Load Break Switch?
O FZW28-12 Boundary Load Break Switch tem tensao nominal de 12 kV. Consulte a tabela de especificacoes tecnicas para as classificacoes eletricas completas.
Qual e o prazo de entrega para o FZW28-12 Boundary Load Break Switch?
O prazo padrao para o FZW28-12 Boundary Load Break Switch e de aproximadamente 30 dias. Quantidades maiores podem exigir tempo adicional.
O FZW28-12 Boundary Load Break Switch pode ser personalizado para projetos OEM?
Sim, a NAIJI Electric oferece fabricacao OEM e personalizada para o FZW28-12 Boundary Load Break Switch.
Quais normas o FZW28-12 Boundary Load Break Switch atende?
O FZW28-12 Boundary Load Break Switch e projetado e testado conforme IEC 62271-103, GB/T 10963. Todos os produtos passam por testes rigorosos antes do embarque.
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