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4000A 3150A Outdoor Self-Energy AC High Voltage SF6 Circuit Breaker LW43A-252

4000A 3150A Outdoor Self-Energy AC High Voltage SF6 Circuit Breaker  LW43A-252
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4000A 3150A Outdoor Self-Energy AC High Voltage SF6 Circuit Breaker LW43A-252
$2,500.00
  • Stock: In Stock
  • Model: LW43A-252
This product is customized according to User Requirement , the above price is for reference, please contact us.

General

Application: three-phase AC 50Hz outdoor HV electrical apparatus, for control and protection of 220kV power system as well as communicating with circuit breaker.

Standard: lEC 62271-100.

 

Type Designation

 

Working condition

1. Altitude: 1000m;special area 3000m

2. Daily temperature variation: 25℃

3. Ambient air temperature:-40℃~+40℃

4. Max wind velocity: 34m/s

5. Seismic: Horizontal acceleration: 0.250g, Vertical acceleration: 0.125g

6. Pollution level: III (25 mm/kV), IV (31mm/kV)

7. Thickness of ice covering: 10 mm

8. Protection degree: IP5XW

 

Technical Parameter

ltem Unit   Parameter
Altitude m 1000  2000 
Ambient air temperature -30~40 -40~40 -30~40 -40~40
Rated voltage kV               252 
Bated frequency Hz 50 
Rated current A 4000  3150  4000  3150 
Rated short-circuit breaking current for lsc kA 50  40 50  40
Rated short-circuit making current (peak) kA 125  100  125  100 
Rated short-time withstand current kA 50  40  50  40 
Rated short-time withstand continuous time s 3 3
Rated peak withstand current (peak) kA 125  100  125  100 
Short-line fault breaking current kA Isc×90%, Isc×75%
Rated out-of-phase breaking current kA Isc×25%
First-pole-to clear factor               1.5 
Rated line charging open/close current A 160 
On-load transformer breaking current A   0.5~20
Power frequency withstand voltage  
for 1min
Open contacts kV 460; 460+145 460  460 460 
Between poles
/ to earth
   460  460   460   460  
Lightning impulse withstand voltage (peak) Open contacts kV    1050; 1050+206 1050  1050 1050
  Between poles
/ to earth
   1050  1050  1050  1050 
Rated operating sequence O-0.3s-CO-3min-CO

 

Technical requirement:

1. Waterproof glue is used on the joining spots of the flange of all exposed bolts

2. Weight: 5,500kg (gas included); total gas weight: 35kg.

3. Foundation loading: static state: 5,500kg; dynamic state: horizontal direction 2,720kg; vertical direction(upward) 10,000kg

4. Concrete surface levelness≤1.5mm.

5. The installation hole between the connection terminal and primary is customized on-site. The material of connection terminal is 2A12-T4.

 

Ordering Information

Please specify the following items when ordering:

1. Model.

2. Rated electric parameters.

3. Service environment conditions.

4. Voltage of control supply.

5. Quantity,ratio, capacity, and accuracy of current transformers.

6. The quantity of necessary spare parts, accessories, special tools and equipments.

Note:Customized products are available.

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Quality Assurance Period (QAP) Explanation

1.    The Quality Assurance Period (QAP) is an important aspect of our commitment to ensuring the quality and reliability of our products. We understand that customers rely on our goods to function properly and meet their expectations. To demonstrate our confidence in our offerings, we provide a warranty period during which we take responsibility for any quality issues that may arise.
2.    The length of the warranty period varies depending on the type of product. Generally, for consumable components subject to wear and tear, such as abrasion parts, the warranty period is three months. For smaller components, the warranty period is typically extended to six months. As for major equipment and machinery, we offer a one-year warranty period.
3.    We also recognize that each customer's requirements may differ, and we are open to negotiation regarding the warranty period. If the buyer requests a specific warranty duration that differs from our standard policy, we are willing to discuss and accommodate their needs accordingly.
4.    During the warranty period, we take full responsibility for any quality-related issues that arise. If a product is found to be defective or malfunctions due to manufacturing or material faults, we are committed to providing a resolution. This includes either replacing the faulty component or conducting necessary repairs to restore the product to its intended functionality. Our aim is to minimize any inconvenience caused to our customers and ensure their satisfaction.
5.    It is important to note that the warranty does not cover damages resulting from improper use, mishandling, or normal wear and tear. Additionally, if any modifications or repairs are carried out by unauthorized personnel during the warranty period, the warranty may become void.
6.    At our company, customer satisfaction is our top priority. We strive to provide high-quality products that meet and exceed expectations. The Quality Assurance Period serves as a testament to our commitment to delivering reliable solutions and ensuring that our customers have peace of mind when choosing our products.

Transportation:

1.    We offer various trade methods, including EXW, FOB, CIF, DDU, DDP, etc., allowing customers to choose the most suitable option based on their requirements.
2.    We consider the proximity to the factory where the goods are located when selecting the appropriate port of departure.
Customers can provide the destination port where the consignee is located or choose a designated port for delivery.
3.    Our transportation methods encompass a wide range of options, including waterway transportation, air transportation, and courier services such as DHL, FedEx, EMS, UPS, TNT, etc.
For waterway transportation, we work with reputable shipping companies such as APL, CMA, CNC, COSCO, EMC, EVERGREEN, HMM, KMTC, MCC, MSC, MSK, ONE, SITC, YML, etc.
Air transportation is available through airlines such as (Air China): CA; (China Southern Airlines): CZ; (China Eastern Airlines): MU; (Garuda Indonesia): GA; (Cathay Pacific Airways): CX; (Cathay Dragon): KA; (Korean Air): (Japan Airlines): JL;  (Singapore Airlines): SQ; (Thai Airways International): TG, and more.
4.    The transportation time will vary depending on the destination and the chosen transportation method. We will communicate and confirm the estimated time of arrival with the customer prior to shipping.
5.    Shipping costs are influenced by factors such as transportation method, weight, size, and destination. We provide shipping cost estimation services to assist customers in budgeting.
6.    Once the goods are shipped, we offer order tracking services to provide customers with detailed information about the whereabouts of their shipment. Additionally, based on the selected trade method, we can arrange cargo insurance to provide compensation in the event of loss or damage during transportation.
7.    The specific transportation arrangements mentioned above will be coordinated by dedicated personnel, taking into account the actual situation and policies. We strive to tailor the optimal and most cost-effective shipping plan based on the information provided by the customer.

Please note that we are committed to ensuring the smooth transportation of goods and will work closely with customers to address any specific requirements or concerns they may have regarding transportation.