ZW7-40.5 outdoor high voltage vacuum circuit breaker is used tocommunicate the three-phase power system of 50Hz and voltage 40.5kV, as theuse of breaking, closing load current, overload current and short circuit current.
1.Adopt vacuum arc extinguishing, strong breaking capacity, long electrical life and 10.000mechanical life:
2.Simple structure.no maintenance, no overhaul period
3.Good insulation performance and anti-pollution ability:
4.0ptional spring or electromagnetic operating mechanism, reliable mechanical performanceand frequent operation: No fire or explosion hazard;
5.Built-in current transformer, the instructor's accuracy is 0.2, and the three-phase interactiveprotection can be achieved:
6.With the condensate controller, the circuit breaker can operate reliably at a certain temperatureand humidity.
Specically Parameter
| Rated voltage |
12kV |
| Rated frequency |
50Hz |
| Rated Lightning Shock Test Voltage/Fracture |
75/85kV( Peak value) |
| Power Frequency Tolerance Voltage/Fracture Rated 1 Min |
42/48kV ( Effective value) |
| Rated operation sequence |
0-t-C0-t1-C0 |
| Circuit Breaker Model |
Rated current |
Rated interruption current KA |
Rated short circuit closing current(peak) KA |
Rated Short Circuit Duration S |
Breaking times |
| VBR(VS1)-12 |
630
1250 |
20/25 |
50/63 |
4 |
100 |
| |
1250
1600
2000
2500 |
31.5 |
80 |
4 |
50 |
1. The ambient air temperature: cap +50ºC, lower limit -30ºC:
2. Elevation: no more than 3000m(if higher elevation is required, the rated insulation level willbe increased correspondingly).
3. Wind pressure: no more than 700Pa(equivalent to wind speed 34m/s).
4.Amplitude: 8 degrees of seismic intensity;
5.Pollution level: l level:
6. Great day temperature difference: no more than 35ºC
Zhejiang Degatech Electric Power Technology Co., Ltd. is a diverse and comprehensive enterprise specializing in the research and development, production, sales, and service of transmission and distribution equipment up to 35kV. Our main products include solid insulated ring main unit switchgear, gas insulated switchgear, and eco-friendly switchgear. We continuously introduce modern production equipment and manufacturing processes, invest in product research and development, and cultivate scientific and technological talent.
Committed to the goals of high quality and precision, combined with the wisdom and diligence of our employees, we consistently provide customers with high-quality and high-performance products. We strive for excellence, producing top-notch products, and establishing comprehensive technical support and robust after-sales service.
Innovation and development are our core principles. In response to the rapidly evolving power industry, we focus on management innovation, technological innovation, and production innovation. We adapt to changing realities, transform, and upgrade to stay current. By offering advanced, high-precision products and high-quality services, we secure stable cooperation with both new and longstanding customers. We warmly welcome users to establish close cooperative relationships with us and work together to create a brighter future.
FAQ
Q1: Are you a factory or trading company
A1: We are a factory, we can guarantee our price is first-hand, very cheap and competitive.
Q2: How does your factory do regarding quality control?
A2: All the products will be 100% checked before the shipment!
Q3: When can l get the price?
A3:Usually we quote within 24 hours after we get your inguiry
Q4: What is the price of shipping?
A4:Depending upon the port of delivery, prices varies.
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