Basic Info.
Breaking Capacity
High Voltage Circuit Breakers
Speed
High-Speed Circuit Breaker
Arc-extinguishing Medium
Vacuum
Function
Overcurrent Protection
Certification
ISO9001-2000, CE
Product Description
Main Technical Parameters Number Parameters Project Unit Technical Parameters1 rated voltage kV12
2 rated short circuit breaking current kA31.54050
3 rated current A1250 1600 2000 25001 600 2000 3150 2000 3150
4 rated peak tolerance current kA80100125
5 rated short-term (4S) tolerance current kA31.54050
6 rated short circuit switching current (peak value) kA80100125
7 rated short circuit current interruption times 502012
8 Rated Operating Sequence - 0.3S - Share - 180S Share - 180S Share - 180S Share - 180S Share - 180S Share
9 rated lightning impulse withstand voltage (full wave) K75
10 rated short-term power frequency withstand voltage (1 minute) K42
11 closing time mS < 7512 closing time mS < 60
13. Mechanical life of 10000/6000 (50kA)
14 rated current interruption times 10000/6000 (50kA)
15 Storage Motor Power W275
Nominal Voltage V110 220 of 16 Energy Storage Motor
17 Energy Storage Time S < 15
Nominal Voltage V110 220 of 18 Closing Electromagnet
Nominal Voltage V110 220 of 19 Switching Electromagnet
Nominal Voltage V110 220 of 20 Energy Storage Releaser
21 Closing Interlock Fixed Voltage V110 220
Rated Voltage V110 220 of 22 Voltage Loss Releaser
23 Overcurrent release rated current A5, 3.5, 1
24 Auxiliary Switch Rated Current AAC10 DC5
25 rated switching current A630 for single capacitor bank
26 rated back-to-back capacitor bank switching current A400
Technical parameters of project units for adjusting parameters of mechanical characteristics1 Contact opening mm11 + 111 + 111 + 1
2 Contact Overtravel mm8 +28 +25 +1
3 closing speed m/S 0.6-1.10.8-1.30.8-1.3
Opening speed m/S1.0-1.41.0-1.81.0-1.8
5 contact closing bounce time mS < 2
The center distance between six phases was mm210 +1.5230 +1.5280 +1.5
Seven-phase contact closing and closing synchronization mS < 2
8. Resistance_of each phase loop is less than 30(40). The closing speed refers to the average speed of the last 6 mm of the contact.
Opening speed refers to the average speed of contacts just entering 6mm.
Miniaturized arc extinguishing chamber with resistance of each phase loop less than 40_
ZN12-40.5/1250-31.5
Vacuum circuit breaker is rated voltage 12kV, three-phase AC 50Hz indoor high-voltage switchgear, suitable for power plants, substations and transmission and distribution systems as control and protection equipment. Especially when interrupting important loads and some occasions requiring frequent operation.
Main features:1. The mechanism is simple, the breaking ability is strong, the service life is long, the operation function is complete, and there is no explosion danger.
2. It has a wide range of applications and can meet the requirements of all working conditions.
3. The creepage ratio distance is more than 20 mm/kV, and the electrical gap is more than 138 mm.
4. The test parameters are improved. The rated short-circuit closing current and rated peak tolerable current of 31.5 kA circuit breaker are 100 kA and 40 kA. The rated short-circuit closing current and rated peak tolerable current of the circuit breaker are 130 kA, and the DC component of asymmetric interruption is 45%.
5. Through arc test and condensation contamination test.
Our products is widely used in China, Africa, American and Europe. You are choose our standard product, or help you to design and manufacture tailored products. Choose Powint, choose high quality and service. We can not provide you with the lowest price, but we provide you the highest quality, the most perfect quality assurance, the most perfect service, after-sales we will do for you !
Address:
No. 6 Yanhe East Road, Qiligang, Liushi Town, Wenzhou City
Business Type:
Trading Company
Business Range:
Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001
Company Introduction:
Zhejiang Xiben Electric Power Equipment Co., Ltd. Was established in early 21st century in Zhejiang, is a focus on high pressure electric appliance product research and development, production, sales and services for the integration of science and technology innovation-oriented enterprises. We are a long-term commitment to family the high voltage load switch, high voltage vacuum circuit breaker, sulfur circuit breaker, isolating switch, high voltage switch cabinet, and other transformer bushing products of the production, research and development and sales, is the country′s top high voltage electric equipment solutions provider, is energy saving, green environmental protection and advocate and leader of the intelligent electrical products. The company can design products according to customers′ requirements, meet customers′ use in different environments, complete machine from spare parts, assemble, debug to installation, the company can complete independently.
Contact us:
+86 13588931159