Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
Product Description
FZN21-12D/T630-20\FZRN21-12D/T125-31.5 type high voltage vacuum load switch and combined electrical appliances for three-phase AC 12KV, 50Hz power distribution system, with compact structure, small size, light weight, long life, closing and breaking ability strong safety and reliability, etc. Combined with fuses (referred to as combined appliances), can replace the cost of higher circuit breakers, its operation and maintenance is simple and convenient.
Product Parameters
| No. |
Item
|
Unit
|
Data |
| FZN21 |
FZRN21 |
| 1 |
Rated voltage |
KV |
12 |
12 |
| 2 |
Rated current |
A |
630 |
125 |
| 3 |
Rated short-circuit opening current |
KA |
50 |
50 |
| 4 |
Rated short-circuit breaking current |
KA |
- |
31.5 |
| 5 |
Rated active load breaking current |
A |
630 |
630 |
| 6 |
4S Thermal stable current |
KA |
30 |
- |
| 7 |
Dynamic stable current |
KA |
50 |
- |
| 8 |
1min power frequency withstand voltage |
KV |
43(fracture 48) |
42(fracture 48) |
| 9 |
Lightning impulse withstand voltage |
KV |
75(fracture 85) |
75(fracture 85) |
| 10 |
Mechnical life |
Time |
10000 |
10000 |
| 11 |
Rated transfer current |
A |
- |
3150 |
| 12 |
Operating power voltage |
V |
AC DC 110,220 |
AC DC 110,220 |
Service Environment
1. Altitude: ≤1000m;
2. Ambient temperature: -25ºC~+40ºC;
3. Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%;
4. No conductive dust, corrosive gases and water vapor;
5. No fire and explosive risk;
6. No violent vibration, tilt less than 3°.
Outline Diagram Examples
1. Frame 2. Spacer knife 3.Fuse 4. Insulating tie rod 5. Upper bracket 6. Arc suppressing chamber
7. Ground knife static contact 8. Insulator 9. Grounding switch 10. Ground spring
11. Opening spring 12. Insulating tie rod 13. Principal axis 14. Trip mechanism
15. Countershaft 16. Linkage link 17. Operating mechanism
Packaging & Shipping
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us.
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation.
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Audited Supplier 
FZN21-12D/T630-20\FZRN21-12D/T125-31.5 type high voltage vacuum load switch and combined electrical appliances for three-phase AC 12KV, 50Hz power distribution system, with compact structure, small size, light weight, long life, closing and breaking ability strong safety and reliability, etc. Combined with fuses (referred to as combined appliances), can replace the cost of higher circuit breakers, its operation and maintenance is simple and convenient.
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