ZN85-40.5 (modular)indoor vacuum circuit breaker is suitable for the ratedvoltage of 40.5 kV, 50 hz,the intersection of three indoor high voltage equipment, canbe used by the industrial and mining enterprises, power plants and transformersubstations for points and load current, overload current, short circuit current andopen circuit frequent operation and apply.
1.Altitude: No more than 2000m.
2.Ambient Temperature: No more than +40'ºC and no less than -25ºC
3.Relative Humidity: the average daily value is no more than 95%, the average monthly valueis no more than 90%.
4.Earthquake Intensity: No more than 8 degrees.
5.Installation locations without fire, explosion danger, serious pollution, chemical corrosionand violent vibration.
1. The circuit breaker adopts the extinguishing chamber in the upper, the structure ofthe overall arrangement of the mechanism is conducive to debugging.
2.The composite insulation structure of air and organic materials is adopted. withcompact design and light weight.
3.t can be equipped with the vacuum arcing chamber of the American Cutler Hammercompany and the domestic ZD vacuum arc extinguishing chamber. The twoextinguishing Chambers adopt the longitudinal magnetic field to extinguish the arc.and the low intercepting is good.
4.Simple spring operation mechanism,10,000 operations without maintenance
5.Screw propulsion mechanism, saving power, smooth and self-locking performance
Specically Parameter
| Rated voltage |
40.5KV |
| Rated frequency |
50Hz |
| Rated Lightning Shock Test Voltage/Fracture |
185kV( Peak value) |
| Power Frequency Tolerance Voltage/Fracture Rated 1 Min |
42/48kV ( Effective value) |
| Rated operation sequence |
0-0.3s-Co-180s-Co |
| Circuit Breaker Model |
Rated current |
Rated interruption current KA |
Rated short circuit closing current(peak) KA |
Rated Short Circuit Duration S |
Breaking times |
| ZN85-40.5 |
630
1250 |
20/25 |
50/63 |
4 |
100 |
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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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