Audited Supplier
ZN63(VS1)-12 Indoor high voltage vacuum circuit breaker
(Hand cart style)
ZN63 (VS1)-12 series indoor handcart type high-voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 12kV indoor switchgear, which can be used for the control and protection of industrial and mining enterprises, power plants and substations, electrical facilities, and is suitable for frequent operation places. The operating mechanism is integrated with the circuit breaker body, and the design can be used as a fixed installation unit, or it can be equipped with a special propulsion mechanism to form a handcart unit. The main circuit part can be used as an integral solid pole to achieve circuit breaker miniaturization, high reliability, maintenance-free, can be equipped with KYN28A-12 (GZS) and other mid-mounted handcart switchgear, fixed can also be used for XGN series fixed switchgear.
ZN63(VS1)-12 Side mounted indoor high voltage vacuum circuit breaker
(Side-mounted)
ZN63 (VS1)-12 side-mounted indoor high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is suitable for indoor switchgear of 12kV power system, as a power grid equipment, protection and control unit of power design of industrial and mining enterprises, suitable for switching loads of different properties and frequent operation, multiple breaking short-circuit current occasions. The product adopts a new type of circuit breaker operating mechanism, and the VSC primary part can be fixed with an international brand pole, which seals the vacuum interrupter and the main electrical circuit parts into a whole, protects the arc extinguisher from the impact of collision, dust and condensation, has strong environmental adaptability, greatly reduces the operation and maintenance costs, and truly realizes the primary partial maintenance-free product and less maintenance of the operating mechanism; The integrated design of the operating mechanism and the circuit breaker body has been verified by type test; It has E2 electrical life and M12 mechanical life.
Z N 63(VS1) - 12 / X - X
1 2 3 4 5 6
| 1:Vacuum Circuit Breaker |
| 2.Indoor |
| 3.Design serial number |
| 4.Rated voltage |
| 5.Current rating |
| 6.Rated short-circuit interrupting current(kA) |
| Number | Properties | Unit | Data | ||||
| 1 | Rated voltage | kV | 12 | ||||
| 2 | Maximum operating voltage | kV | 12 | ||||
| 3 | Current rating | A | 630 1250 | 6301250 16002000 25003150 | 12501600 20002500 31504000 | ||
| 4 | Rated short-circuit breaking current (rated thermal stability current - RMS) | kA | 20/25 | 31.5 | 40 | ||
| 5 | Rated short-circuit closing current (peak) | kA | 50/63 | 80 | 100 | ||
| 6 | Rated peak withstand current (rated dynamic stabilized current - peak) | kA | 50/63 | 80 | 100 | ||
| 7 | 4S rated short-circuit withstand current | kA | 20/25 | 31.5 | 40 | ||
| 8 | Rated insulation level | Working withstand voltage (before and after rated breaking)/1 min power frequency withstand voltage | kV | Ground 42/Fracture 48 | |||
| Impulse withstand voltage (before and after rated breaking) / rated lightning impulse withstand voltage peak | Ground 75/Fracture 85 | ||||||
| 9 | Rated thermal settling time | s | 4 | ||||
| 10 | Rated sequence of operations | Open-0.3S-Close-open-180S-Close-open | |||||
| 11 | Mechanical life | time | 20000 | ||||
| 12 | Rated number of short-circuit breaking current interruptions | time | 30 | ||||
| 13 | Rated closing voltage of operating mechanism (DC) | V | AC,DC 110,220 | ||||
| 14 | Rated opening voltage of operating mechanism (DC) | V | AC,DC 110,220 | ||||
| 15 | Contact opening distance | mm | ll±1 | ||||
| 16 | Overtravel (contact spring compression length) | mm | 3.5±0.5 | ||||
| 17 | Three-phase splitting, closing bounce time | ms | ≤2 | ||||
| 18 | Contact closing bounce time | ms | ≤2 | ||||
| 19 | Average opening speed | m/s | 0.9~1.2 | ||||
| Average closing speed | m/s | 0.5~0.8 | |||||
| 20 | Opening time | ms | ≤50 | ||||
| 21 | Closing time | ms | ≤100 | ||||
| 22 | The resistance of the main loop of each phase | uΩ | 630≤65 | 1250≤60 | |||
| 23 | Static and dynamic contacts allow for wear and accumulated thickness | mm | 3 | ||||
| Number | Properties | Unit | Data | ||
| 1 | Rated voltage | kV | 12 | ||
| 2 | Rated short-time power frequency withstand voltage | 42 | |||
| 3 | Rated lightning impulse withstand voltage peaks | 75 | |||
| 4 | Rated frequency | Hz | 50 | ||
| 5 | Current rating | A | 630,1250 | 630,1250 | |
| 6 | Rated short-circuit interrupting current | kA | 25 | 31.5 | |
| 7 | Rated short-time withstand current | 25 | 31.5 | ||
| 8 | Rated short-circuit duration | S | 4 | ||
| 9 | Rated peak withstand current | kA | 63 | 80 | |
| 10 | Rated short-circuit closing current | 63 | 80 | ||
| 11 | Power frequency withstand voltage of secondary circuit (1min) | V | 2000 | ||
| 12 | Rated single/back-to-back capacitor bank interrupting current | A | 630/400 | ||
| 13 | Opening time | ms | 20~50 | ||
| 14 | Closing time | 35~70 | |||
| 15 | Mechanical life | time | 20000 | ||
| 16 | Rated operating voltage | V | AC 110,AC220 DC 110,DC220 | ||
| 17 | Rated opening operating voltage | ||||
| 18 | Rated voltage of energy storage motor | ||||
| 19 | Rated power of energy storage motor | W | 90 | ||
| 20 | Energy storage time | s | ≤15 | ||
| 21 | Contact opening distance | mm | 1l±1 | ||
| 22 | Overtravel | 3±1 | |||
| 23 | Contact closing bounce time | ms | ≤2 | ||
| 24 | Three-phase splitting and closing, different periods | ≤2 | |||
| 25 | Average opening speed | ms | 0.9~1.2 | ||
| 26 | Average closing speed | 0.5~1.8 | |||
| 27 | Opening and closing bounce | mm | ≤2 | ||
| 28 | Dominant electrical loop resistance | μ Q | ≤45(630)≤350250A) | ||
| 29 | Rated sequence of operations | Open-0.3S-Close-open-180S-Close-open | |||
Wenzhou Naisite Electric Co., Ltd is a technology oriented transmission and distribution equipment manufacturing enterprises, since its establishment in 2011, focus on transmission and distribution equipment technology progress, advocating technological innovation, introduce new energy prefabricated, a secondary fusion ring cage, environmental protection cabinet,Transformers, cable branch box, box type substation such as intelligent high and low voltage transmission and distribution equipment. Applicable to electric power, railway, petrochemical, subway, municipal construction, steel, coal and other industries. The company's products have achieved a number of technological breakthroughs in environmental protection, miniaturization, intelligence, maintenance free and other aspects. The headquarters of Wenzhou Naisi Electric Co., Ltd is located in the core area of Wenzhou Yueqing Economic Development Zone, "the capital of Electrical appliances in China". Has an excellent domestic intelligent distribution network products assembly line.
The company has a vacuum box helium leak detection system, local discharge test laboratory and other advanced inspection and test equipment system. With the basic experimental facilities and research environment needed for advanced technology development and scientific research, the products are tested according to the international IEC standards. The enterprise has passed the IS09001 quality system certification, IS014001 environmental system certification and OHSAS18001 occupational health and safety management system certification, the products have been obtained the CNAS national accreditation laboratory certification report.
| Q: Are you a trading company or manufacturer ? |
| A: We are a professional factory with 10 years experience in the field of High and Low voltage switchgears,Substation,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.Our factory is the excellent supplier of State Grid Corporation of China . |
| Q: Do you accept customized serveice ? |
| A: We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied project according to your drawing and parameters . |
| Q: What is your MOQ? |
| A: Our MOQ is 1 piece . |
| Q:How long is your delivery lead time ? |
| A: It depends on your product requirement and quantity . Generally , 5~10 working days is available . |
| Q: How do you solve quality problems? |
| A: Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make a satisfied soluton within 2 days. |
| Q: What is your payment terms ? |
| A: 30%T/T in advance,70% before shipment . West union , L/C are also acceptable . |
