ZW20-12 type of outdoor high voltage vacuum circuit breaker on the pillars for a period of12 ky, rated voltage of the three-phase ac 50 hz outdoor high voltage switch equipment. lt ismainly used to break the load current, overload current and short circuit current of the powersystem. lt is suitable for the protection and control of substation, industrial and mining enterprisesand urban and rural distribution network. lt is especially suitable for the operation of frequent siteand the automatic distribution network of domain network. This product is equipped with thecontroller, can meet the reguirements of the distribution automation system, and can achieve thetraditional superposition function effectively and reliably. it adopts the mature box-type sealingstructure, and it is filed with SF6 gas, which has good sealing performance, so that it is notaffected by external environment.
it is a kind of non-maintenance product. lts spring actuatoradopts the main drive and multi-stage tripping system of the straight chain, and the operationreliability is high, which is the good quality of the circuit breaker in the column.
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 |
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.