description
The FN5-12(24) Indoor AC M.V. load switch and fuse combination is designed by ourselves, combined with the requirement of our country and based on the advanced foreign technique. It has been tested for long term by full aspects and confirmed to IEC62271 “AC M.V. load switch-fuse combinations” and GB3804 “3-63kV AC M.V. load break switch” standard. Compared to the same products of overseas, It has come up to the technique parameter level. For its small size and light weight, it can be used in RMU and compact substations, also widely used for the power distribution of the 12kV and 24kV line and has the perfect function of open phase protection. And break on-load current, over-load current and short circuit current. This Load Break Switch can apply with CS6-I manual operating mechanism. The development of the FN5-12(24) realized the functions of three-position switch: ON/OFF, isolation and grounding.
parameters
Technical Information
|
Technical Specification |
|
|
|
|
Rated voltage |
kV |
12 |
24 |
|
Rated current |
A |
630 |
630 |
|
Rated power frequency |
Hz |
50/60 |
50/60 |
|
Short circuit making capacity |
kA Peak. |
63 |
63 |
|
Peak withstand current |
kA Peak. |
63 |
63 |
|
Short time current |
kA eff. |
|
|
|
1Sec. |
|
25 |
25 |
|
3Sec. |
|
14 |
14 |
|
Max. breaking capacity in co-operation with fuses IEC 62271-105 (IEC 420 1990-11) |
A |
1600 |
900 |
|
Max. fuse current(XRNT Fuse) |
A |
200 |
200 |
|
Power frequency withstand voltage 50Hz 1 min,: |
|
|
|
|
- To earth and between poles |
kV |
42 |
55 |
|
- Across isolating distance |
kV |
48 |
70 |
|
Impulse withstand voltage 1.2/50μ s: |
|
|
|
|
- To earth and between poles |
kV |
75 |
125 |
|
- Across isolating distance |
kV |
85 |
145 |
|
Mechanism Endurance |
cycles |
1000 |
2000 |
Zhejiang Xikai Electric Co., Ltd engineers and manufactures medium- high-voltage electric
equipment, components and systems that deliver reliable electric power to homes, industries,
businesses, and institutions worldwide. We are a leader in providing load break switch, vacuum
circuit breaker, isolating switch that enable customers to increase productivity, improve system
reliability and reduce costs.
Our products, services, and solutions are used worldwide for public, commercial, and industrial
power systems. Our products had passed the test at Ministry of Power Industry of PRC and
Electric Power Research Institute of PRC.
As a global manufacture, Zhejiang Xikai Electric Co., Ltd provides a wide range of
forward-looking solutions including Power Systems Protection, Distribution System Reliability
and Power Quality products and services. Through our commitment to research and development,
we continue to develop smart solutions for safe, reliable, environmentally friendly power
protection.
Our products include indoor high voltage load break switch, vacuum load break switch, circuit
breaker; outdoor high voltage load break switch, circuit breaker; high voltage earthing switch;
high voltage isolating switch and fuse.
We offer our customers integrated protective solutions using innovative products combined with
unrivalled service and reliability world wide
