ZN28 Series 10kv 12kv 630A-3150A Indoor Vacuum Circuit Breaker
Product Information
ZN28 series Indoor 10kv 12kv 630A-3150A indoor vacuum circuit breaker is the indoor high voltage switchgear with 10KV 12kV rated voltage, three-phase AC50HZ/60HZ.
It is mainly used for fixed-type switch cabinet or substituting minimum oil circuit breaker in old-fashioned kinds and also applies to protecting and controlling units of mobile switching equipment. It is suitable for occasions with frequent operation. This series has different two structures including the whole type ZN28-12 and the divided body.
Application: for the control and protection of substation and equipment, Making and breaking short-circuit current under various operating statuses of electric network
Applied Standard: EC62271-100.
Applicable conditions
- Ambient temperature: -10ºC~ +40ºC(conveyance under -30°C is allowed)
- Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2KPa; monthly average value ≤1.8KPa
- Altitude: ≤2000m
- Earthquake intensity: ≤8 degree
- The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution.
Outline Mounting Dimensions
Technical Parameters
| No. |
Item |
Unit |
Data |
| 1 |
Rated voltage |
KV |
12 |
| 2 |
Rated insulation voltage |
V |
42,75 |
| 3 |
Rated current |
A |
630,1250,1600,2000,2500,3150 |
|
4 |
Rated short-circuit close current(peak value) |
KA |
20,31.5,40 |
| 5 |
Rated operation order |
|
off--0.3s on and off--180S-on and off |
| 6 |
Rated short-circuit Breaking current times |
times |
30(50),20(30) |
| 7 |
Rated Impulse withstand voltage |
KA |
50,80,100 |
| 8 |
4S Heat steady e.c.A |
|
20,31.5,40 |
| 9 |
all opened and broke time |
ms |
≤100 |
| 10 |
Mechanical life-span |
times |
10000 |
| 11 |
cumulated thickness of the moving and stationary contact |
mm |
3 |
| 12 |
Oil buffer buffers the journey |
mm |
10 |
Detail Images
NOTES: Supports OEM, so there are other sizes or material requirements that can be produced according to requirements
Company Profile
Workshop Corner
Testing Equipment
FAQ
Q: Are you a trading company or manufacturer?
A: We are factory with more than 20 years of experience in this field.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample orders to test and check quality. Mixed samples are
acceptable.
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 the evaluation
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days. if the goods are not in stock, it is according to the quantity
Q: How to solve quality problems after sales?
A: Take photos of the quality problems and send them to us for our checking and confirmation, we will make a satisfactory solution for you within 3 days.
Q: What are your terms of payment?
A: 30% T/T in advance, balance before shipment.
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