ZN12-12 (40,5) 12kV 40,5kV pemutus sirkuit vakum AC HV dalam ruangan

ZN12-12(40.5) is a 12kV/40.5kV indoor AC high voltage vacuum circuit breaker with vacuum arc extinguishing structure. Featuring reliable breaking performance, long service life and low maintenance, it is widely used in power plants, substations and industrial high-voltage distribution systems.

Informasi Tambahan

Detail Produk:

 

Pengantar Umum:

The ZN12-12(40.5) is a three-phase AC 50Hz indoor high-voltage vacuum circuit breaker, covering two voltage levels: 12kV and 40.5kV.

It adopts advanced vacuum arc-extinguishing technology, which has the advantages of strong breaking capacity, long electrical and mechanical life, and no environmental pollution.

It is mainly used for control and protection of power transmission and distribution equipment in power plants, substations, industrial and mining enterprises, and other places, and is especially suitable for occasions requiring frequent operation.

 

Kondisi Kerja:

1. Ketinggian: 1000m;

2. Suhu sekitar: -25 ~ +40 ;

3. Kelembaban relatif: rata-rata harian 95, rata-rata bulanan 90;

4. Intensitas gempa: 8 derajat;

5. Acara yang berlaku harus bebas dari bahan mudah terbakar, bahan peledak, korosif, dan getaran yang parah.

 

Model Interpretation

  • ZN: Vacuum Circuit Breaker
  • 12: Design Serial Number
  • 12(40.5): Rated Voltage: 12kV / 40.5kV
  • Indoor AC HV Vacuum Circuit Breaker: The product is used indoors, suitable for AC high-voltage power systems, and adopts vacuum arc-extinguishing principle.

 

Fitur:

1. Kapasitas pemutusan ruang pemadam busur api tinggi, daya dukung arus rendah, dan masa pakai listrik panjang.

2. tata letak dari depan ke belakang, struktur sederhana dan kompak, pengoperasian lengkap dan perawatan mudah.

3. Untuk struktur dan pemasangan, mereka dapat dibagi menjadi: Tipe tetap horizontal, tipe tetap miring, tipe bergerak set tengah.

 

Spesifikasi Teknis:

 

Nama Parameter
Specification (12kV)
Specification (40.5kV)
Tegangan Pengenal
12kV
40.5kV
Frekuensi yang dinilai
50Hz
50Hz
Nilai Saat Ini
630A, 1250A, 1600A, 2000A
630A, 1250A, 1600A, 2000A
Rated Short-Circuit Breaking Current
20kA, 25kA, 31.5kA, 40kA
20kA, 25kA, 31.5kA, 40kA
1min Power Frequency Withstand Voltage
42kV
95kV
Lightning Impulse Withstand Voltage (Peak)
75kV
185kV
Operating Mechanism
Spring Energy Storage Type (AC/DC Dual-Use, Manual Optional)
Spring Energy Storage Type (AC/DC Dual-Use, Manual Optional)
Mechanical Life
≥10,000 Times
≥10,000 Times

 

S/N Item Unit Data
1 Dinilai

tegangan

kV 12
2 Tingkat isolasi yang dinilai Daya 1 menit

frekuensi

tahan

tegangan

42
Petir

impuls

tahan

tegangan

75
3 Frekuensi yang dinilai Hz 50
4 Nilai saat ini A 6301250

1600

12501600

2000

2500

3150

12501600

2000

2500

3150

20002500

3150

4000

5 Nilai arus pemutusan hubung singkat kA 20/25 31.5 40 50
6 Waktu singkat 4 detik menahan arus 20/25 31.5 40/3s 50/3s
7 Nilai arus pembuatan hubung singkat (puncak) 50/63 80 100 125
8 Nilai arus tahan puncak yang dinilai (puncak) 50/63 80 100 125
9 Waktu pemutusan arus pemutusan hubung singkat terukur kali 50 30
10 Kehidupan mekanis 10000 6000
11 Waktu penutupan ms ≤75
12 Waktu buka ≤65
13 Jarak pusat fase mm 210、230、250、275

Product Advantages

Reliable Breaking Performance: Adopting vacuum arc-extinguishing technology, there is no oil leakage, explosion or other potential safety hazards. The chopping current is low, which can effectively protect the power equipment from overvoltage damage.
Flexible Operation: Equipped with spring energy storage operating mechanism, which supports AC/DC power supply and manual operation. It is fast in action, stable in performance, and suitable for frequent operation scenarios.
Easy Maintenance: The product has a simple structure, few wearing parts, long service life, and no need for frequent maintenance. It can reduce the maintenance cost and improve the operation efficiency of the power system.
Wide Application: It is widely used in power plants, substations, industrial and mining enterprises, high-rise buildings, and other power distribution systems. It can be used for switching on and off the power supply, and protecting transformers, motors, capacitors and other equipment.

Dimensi Garis Besar

Pemutus sirkuit vakum ZN12

id_IDIndonesian

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