VS1-12(ZN63A-12) 12kV Indoor Vacuum Circuit Breaker (VCB) is a mainstream medium voltage indoor switchgear for 12kV power distribution system.
It uses high-performance vacuum interrupter as arc quenching medium, features small size, light weight, zero pollution, low noise and maintenance-free operation.
Available in fixed type and withdrawable trolley type, perfectly matched with KYN28 indoor switch cabinet. It is the ideal choice for commercial buildings, industrial plants, power plants, substations and new energy power distribution projects.
1. Suhu sekitar: tidak lebih tinggi dari +40 ° C, tidak kurang dari -15 ° C
2. Ketinggian: tidak melebihi 1000m.
3. Kelembaban relatif: rata-rata harian tidak lebih dari 95%, rata-rata bulanan tidak lebih dari 90%.
4. Intensitas gempa: tidak lebih dari sepuluh.
5. Tidak ada kebakaran, bahaya ledakan, kotoran yang serius, korosi kimiawi, serta tempat dengan getaran yang kuat.
Vacuum interrupter arc extinction, safe, environmental friendly and no pollution
Compact integrated structure, small installation space
Maintenance-free during normal service life, low operation cost
High short-circuit breaking capacity, stable and reliable performance
Optional fixed type / withdrawable trolley type for cabinet installation
Spring operating mechanism, flexible manual and electric operation
Strong mechanical life, suitable for frequent switching operation
Good seismic and anti-corrosion performance, long service lifespan
Model: VS1-12 / ZN63A-12
Rated Voltage: 12kV
Rated Frequency: 50Hz
Rated Current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A
Rated Short-circuit Breaking Current: 20kA, 25kA, 31.5kA, 40kA
Rated Short-time Withstand Current: 20kA~40kA / 4s
Installation Type: Indoor Fixed / Withdrawable Trolley Type
Arc Quenching Medium: Vacuum
Operating Mechanism: Spring Type
Ambient Temperature: -20℃ ~ +40℃
Applicable Altitude: ≤1000m
| TIDAK | Item | Unit | parameter |
| 1 | Tegangan pengenal | KV | 12 |
| 2 | Frekuensi yang dinilai | HZ | 50 |
| 3 | Nilai Saat Ini | A | 630.1250.1600.2000.3150 |
| 4 | Nilai arus pemutusan hubung singkat | KA | 20 25 31.5 |
| 5 | Nilai arus penutupan hubung singkat (puncak) | KA | 50 63 80 |
| 6 | Nilai durasi hubungan arus pendek | S | 4 |
| 7 | Nilai angka pemutusan arus hubung singkat yang dinilai | tidak | 50s |
| 8 | Urutan operasi yang dinilai | 0-0.3s-CO-180s-CO | |
| 9 | Nilai ketahanan impuls petir terhadap tegangan | kv | 125 |
| 10 | Frekuensi daya 1 menit menahan tegangan | KV | 65 |
| 11 | Waktu penutupan | ms | ≤ 70 |
| 12 | waktu pembukaan | ms | ≤ 50 |
| 13 | Kehidupan mekanis | Kali | 20000 |
| 14 | Nilai Penyimpanan dan tegangan operasi | V | AC DC 220/110 |
| 15 | Mematahkan kehidupan | ms | ≤ 80 |
| 16 | Kehidupan penyimpanan | s | ≤ 10 |



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