Basic Info.
Breaking Capacity
High Voltage Circuit Breakers
Speed
High-Speed Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Certification
ISO9001-2000
Application
Used in 40.5 Kv Power Systems.
Transport Package
Export Package
Specification
Flexible Configuration
Product Description
Product Description1.SpecificationsWidth
/inter-phase spacing | Specification & Model |
Rated current
(A) | Rated short-circuit breaking
current (kA) | Structural
Type |
1000 mm
/300 mm | 630 | ≤31.5 | Fixed/
Withdrawable Form |
| 1250 | ≤31.5 |
| 1600 | ≤31.5 |
| 2000 | ≤31.5 |
| 2500 | ≤31.5 |
1)The circuit breaker satisfies requirements of M2 level, E2 level (274 times) and C2 level
2)Modular structure delivers stable performance3)Good Insulation Property ( the embedded poles structure)4)Good Breaking Buffer Performance(guided variable damping oil buffer with a tapered piston )
5)Easy to Operate(ball screw pushing-in mechanism )
6)Flexible Configuration
7)Reliable Anti-maloperation Interlocking
3.Main Technical Data| S/N | Item | Unit | Values |
| 1 | Rated voltage | kV | 40.5 |
| 2 | Rated short-duration power frequency withstand voltage
Inter-phase, to earth/break | 95 |
| 3 | Rated lightning impulse withstand voltage (peak)
Inter-phase, to earth/break | 185 |
| 4 | Rated frequency | Hz | 50 |
| 5 | Rated current | A | ~2500 |
| 6 | Rated short-circuit breaking current | kA | ~31.5 |
| 7 | Rated short-time withstand current | kA | ~31.5 |
| 8 | Rated short-circuit duration | s | 4 |
| 9 | Rated peak withstand current | kA | ~80 |
| 10 | Rated short-circuit making current | kA | ~80 |
| 11 | Power frequency withstand voltage of secondary circuit (1 min) | kV | 2 |
| 12 | Rated breaking current of a single/back-to-back capacitor bank | A | 630/400 |
| 13 | Rated inrush making current of capacitor banks | kA | 12.5 (the frequency not more than 1,000 Hz) |
| 14 | Mechanical life | times | 10000 |
| 15 | Electrical endurance | Class E2 |
| 16 | Closing time (rated working voltage) | ms | 40~90 |
| 17 | Breaking time (rated working voltage) | 20~60 |
| 18 | Classification of breaker by breaking and closing capacitive current capacity | | C2 |
| 19 | Rated operating sequence | / | Off -0.3s-on/off-180s-on/off |
2)Alternative route of the Yellow River-crossing project in South-to-North water diversion;
3)Three Gorges project;
4)CCTV new site substation project.
Address:
1298 Xuji Avenue, Xuchang, Henan
Business Type:
Manufacturer/Factory
Business Range:
Apparel & Accessories, Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters
Management System Certification:
ISO 9001
Company Introduction:
XJ Group Corporation is a large national enterprise. It ranks among Top 500 of China Enterprise and China Machinery Top 100. Our company is engaged in the research and production of power system automation, relay protection and control equipment, and provides all the related products and services of secondary and primary equipment of power system.
