Basic Info.
Breaking Capacity
High Voltage Circuit Breakers
Speed
High-Speed Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Transport Package
Export Package
Product Description
Product Description
1.DescriptionZW20 & FDR-115 intelligent vacuum breaker is installed overhead at the head of 10kV distribution grid, the head of large branch, the end of main line and T junction of user line.With automate functions such as telesignaling, telemetry, remote control, telecom , protection , reclose and multiple feeder automation strategies , breakers can detect short circuit / earthing faults quickly and isolate them locally.Improve the reliability of power distribution grid effectively .Suitable for 10kV overhead distribution grid/10kV overhead & cable mixed line use neutral point via small resistance grounding/ungrounded /arc suppression coil grounding system.2.Features- Box structure , with small enclosure
- Vacuum Interrupter , high reliable making ability
- Fully sealed , SF6 insulation
- Internal CT & sensors , flexible configuration
- Well spring operating mechanism , mechanical life 10,000 times
- Terminal outlet, superior weather resistance and waterproof
- SMC non-metal bell type , anti-condensation.
- Hooped on the pole , simple and firm
- IP67 protection level , work in water for a short time
- Small size, the weight is less than 12kg.
- Military-grade aviation plug connection, simple and reliable
- Setting window with dial panel are convenient for inspection and maintenance.
- Integrated telesignaling, telemetry, remote control , protection , communication , reclose and multiple feeder automation strategies
3.Main Technical Data Rated Voltage | 12kV |
Rated Current | 630A |
Rated Short-Circuit Making Current | 20kA |
Rated Short Time Withstand Current | 20kA(4s) |
Current Transformer | Phase CT Ratio | 600/5 |
Zero-sequence CT Ratio | 20/1 |
Controller |
Rated Working Voltage | AC220V |
Phase To Phase Protect Current Setting | 3 Stage , 0~6000A( Primary ) adjustable |
Zero-Sequence Protect Current Setting | Small Resistance Mode : Set Zero-Sequence Current Value Small Current Mode : Set Zero-Sequence Voltage Value & Operation Zero-Sequence Current Value |
Zero-Sequence Protection Delay Setting | 0s~2h Adjustable |
Automatic Reclose | ON/OFF |
Protection Level | IP67 |
Voltage Transformer |
Rated Voltage Ratio | |
Line Voltage Accuracy | Class 3 |
Capacity | 300VA |
Zero-Sequence Voltage Accuracy | Class 3P |
Zero-Sequence Coil Capacity | 50VA |
4.Production Environment
Plant Aerial View
Feeder Terminal Unit(FTU) Workshop
Pole Mounted Switch Workshop
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.