Box type (fixed) AC metal enclosed ring main unit
1. Using condition
a. Ambient temperature:
Max: +45ºC
Mix:-40ºC
b. Moisture(average relative humidity max):
Text by 24H: ≤95%
Text by one month: ≤90%
c. Max altitude: 4000m.
d. It's required no fire, explosion, serious pollution, chemical corrosion and severe vibration
2. Parameter
| Item |
Unit |
Equipped with load switch |
| |
|
ZFN21 VACUUM |
ZFN11-12 VACUUM |
FN11-10 compressed air |
| Rated voltage |
kV |
10 |
10 |
10 |
| Highest system voltage |
kV |
12 |
12 |
12 |
| Rated frequency |
Hz |
50 |
50 |
50 |
| Rated current |
A |
630 |
630 |
400,630,800 |
| Rated short time withstand current |
kA/s |
20/4 |
20/3 |
20/3 |
| Rated peak withstand current |
kA |
50 |
50 |
50 |
| Rated no-load transformer breaking current |
kA |
6000kVA transformer |
1250kVA transformer |
| Main circuit, ground circuit, rated short-circuit making current |
kA |
50 |
50 |
| Rated short-circuit breaking current of fuse |
kA |
31.5 |
31.5 |
| Lifetime at rated current |
Times |
10000 |
100 |
| Mechanical life |
Times |
10000 |
200 |
| One minute power-frequency withstand voltage |
kV |
42/48 |
| Lightning impulse withstand voltage |
kV |
75/85 |
| 1min power frequency withstand voltage of secondary circuit |
kV |
2 |
| Rated switching current |
A |
3150 |
1300 |
3. Company
Honle Group Co., Ltd. is a national high-tech enterprise dedicated to the research, development, manufacturing and marketing of industrial electrical appliances. The group has four professional manufacturing departments under the jurisdiction of power supply appliances, power transformers, complete sets of equipment, and high-voltage vacuum circuit breakers, with a plant area of more than 20,000 square meters and more than 180 employees. Five marketing centers and more than 100 agents have been established in China. We have established partners and agents in more than 30 countries and regions abroad. The group mainly produces power supply products, power transformers, high (low) voltage switch cabinets, box-type substations, high-voltage vacuum circuit breakers and other power transmission and distribution equipment. Hongle Group is a grid-connected enterprise of the State Grid Corporation of China. The grid company won the bid and has provided safe and reliable power products to the State Grid Corporation of China in recent years.
•FAQ
Q 1. what's the payment terms?
A. We accept LC, T/T, D/P,Western Union PayPal. If others, we can discuss.
Q 2. how's the delivery time ?
A. usually it will take about 30 days after order confirmed.
Q 3. tell me the standard of package?
A. For the small capacity, we will use carton, but for big capacity, we should use strong wooden case for protection.
Q 4.Could you offer Form A or C/O ?
A. No problem. We can prepare relative documents to origin affairs office or other office to apply for related certificates.
Q 5.Would you accept to use our logo ?
A.If good quantity, it absolute no problem to do OEM.
Q 6.We want to know month capacity.
A. It depends on which model.For example for relay type capacity , month capacity can reach near 5000pcs/month while big capacity near 2000pcs/month.
Q 7.Where is your market?
A. Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western European so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation.
Q 8. what kind of certificates you have ?
A. Our company already achieve ISO9001, and for products, we have CE,ISO9001,ISO14001 and so on.
Audited Supplier 
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