LW24-40.5 Outdoor Sulfur Hexafluoride Circuit Breaker
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Product Introduction
Ⅰ Overview:
LW24-40.5 sulfur hexafluoride circuit breaker is a kind of control and protection equipment for outdoor installation, three-phase, AC 40.5kv high voltage transmission and transformation system with SF6 gas as arc extinguishing and insulating medium. Can be used to divide and combine rated current and fault current, cast, cut capacitor group, conversion line, especially suitable for frequent operation, can also be used as a contact circuit breaker
LW24-40.5 sulfur hexafluoride circuit breaker is a kind of control and protection equipment for outdoor installation, three-phase, AC 40.5kv high voltage transmission and transformation system with SF6 gas as arc extinguishing and insulating medium. Can be used to divide and close the rated current, strong insulation ability, suitable for altitude 3000m or class IV dirty areas. High reliability of operating mechanism; The mechanical life is divided into 10,000 times without changing parts, which can meet the continuous operation of users.
Ⅱ Parameter:
|
No. |
Parameters |
Unit |
Parameter Value |
|
|
1 |
Rated Voltage |
kV |
40.5 |
|
|
2 |
Rated insulation level |
kV |
95 |
|
|
lmin frequency withstand voltage (rms) |
kV |
185 |
||
|
Fracture |
kV |
48 |
||
|
to ground |
kV |
42 |
||
|
b)Rated lightning impulse withstand voltage (peak) |
kV |
85 |
||
|
Fracture |
kV |
85 |
||
|
To ground |
kV |
75 |
||
|
3 |
Rated frequency |
Hz |
50(60) |
|
|
4 |
Rated current |
A |
630~2500 |
|
|
5 |
Rated short-time withstand current |
kA |
20 |
|
|
6 |
Rated short-circuit closing current (peak) |
kA |
50 / 63 / 80 |
|
|
7 |
Rated peak withstand current |
kA |
50 |
|
|
8 |
Rated short-circuit duration |
4 |
||
|
9 |
Rated operating sequence |
O-0.3s-CO-180s-CO |
||
|
10 |
Rated short-circuit current breaking times |
Ops |
20 |
|
|
11 |
Mechanical life |
Ops |
20000 |
|
|
12 |
Rated voltage of energy storage motor |
V |
24V/110V/220V |
|
|
13 |
Rated operating voltage (with special spring operating mechanism) |
Opening coil |
V |
24V/110V/220V |
|
Closing coil |
||||
|
14 |
SF6 gas rated pressure (gauge pressure) |
Mpa |
0.35 |
|
Ⅲ Features:
The LW24-40.5 SF6 circuit breaker is designed to operate at a rated voltage of 40.5 kV. It is suitable for medium to high-voltage applications, providing effective protection and control in electrical networks.
LW24-40.5 circuit breaker is specifically designed for outdoor installation, with robust construction to withstand harsh environmental conditions. It is equipped with weatherproof enclosures and components to ensure reliable operation in various climates.
3. The LW24-40.5 circuit breaker utilizes SF6 gas as the insulation and arc extinguishing medium. SF6 gas offers excellent dielectric properties and arc quenching capabilities, allowing for compact design and efficient interruption of fault currents.
4. The LW24-40.5 SF6 circuit breaker has a high breaking capacity, enabling it to safely interrupt high fault currents. This capability ensures the protection of electrical systems against faults and overloads, minimizing the risk of equipment damage and ensuring grid stability.
5. SF6 gas has superior arc quenching properties, enabling the LW24-40.5 circuit breaker to swiftly and effectively extinguish electrical arcs. This feature ensures stable and safe interruption of fault currents, maintaining the integrity and reliability of the electrical system.
6. The opening and closing operation of the circuit breaker can be operated manually or electrically,and can also be operated by remote control. It can be matched with intelligent controller to realize power distribution automation, and can also be combined with recloser to form automatic re-closer and sectional circuit breaker.
7. The circuit breaker is equipped with mechanical and electrical interlocks to prevent accident occurs.
Ⅳ Normal product use conditions:
Ambient air temperature: -40℃~+40℃;
Altitude: no more than 2000m;
The surrounding air can be polluted by dust, smoke, corrosive gas, steam or salt spray;
The wind speed does not exceed 34m/s (equivalent to 700Pa on the cylindrical surface);
Vibration or ground motion from switchgear and control equipment can be ignored;
Pollution level: Ⅲ.
Ⅴ Product Application Range and Fields:
The LW24-40.5 Outdoor Vacuum Circuit Breaker is suitable for a wide range of applications across various industries, including:
Product Application Range and Fields:
The LW24-40.5 Outdoor Vacuum Circuit Breaker is suitable for a wide range of applications across various industries;
Power generation and distribution:
The circuit breaker is ideal for use in power plants, substations, and distribution networks, ensuring reliable and efficient power distribution and protection.
Industrial facilities:
Manufacturing plants, processing facilities, and other industrial operations can benefit from the LW24-40.5's robust performance and reliability in protecting electrical equipment and preventing downtime.
Infrastructure projects:
The circuit breaker is well-suited for use in transportation systems, water treatment plants, and other critical infrastructure projects, providing reliable power distribution and protection.
Commercial buildings:
Office buildings, shopping centers, and other commercial properties can rely on the LW24-40.5 for dependable electrical protection and distribution.
Renewable energy:
The circuit breaker is an excellent choice for solar, wind, and other renewable energy projects, ensuring efficient power distribution and protection.
OEM/ODM Services:
At Shaanxi Yuguang Electric Co., Ltd., we understand the importance of customization. That's why we offer comprehensive OEM and ODM services to meet your specific requirements. Whether you need private labeling or custom product development, our experienced team is here to assist you every step of the way.
Certificates:
We take pride in our commitment to quality and safety. Our products are certified to meet the highest industry standards, including:
3C Certification
ISO 9001 Certification
21 Utility Model Patents and Design Patents

Why Choose Us:
State-of-the-art Manufacturing Equipment
Extensive Testing Facilities
Comprehensive Quality Assurance Processes
ISO 9001 Certified Quality Management System
One-year Warranty on All Products
Large Production Capacity
FAQ:
Q: What is the warranty period for your products? A: We offer a one-year warranty on all our products.
Q: Can you customize products according to our specifications? A: Yes, we provide OEM and ODM services to meet your specific requirements.
Q: Are your products compliant with international standards? A: Yes, our products meet all relevant international standards.
Q: What is the lead time for orders? A: The lead time depends on the quantity and customization requirements. Please contact us for more information.
Q: Do you provide technical support? A: Yes, we offer comprehensive technical support to our customers.
Packaging:
Wooden Box Packaging
Carton Packaging
Foam-filled Packaging
Waterproof and Moisture-proof Packaging
Customized Packaging
International Standard Packaging
Logistics:
Sea Freight
Air Freight
Land Transportation
Multimodal Transport
Express Delivery Services
Contact Us:
Ready to take your electrical projects to the next level? Contact us today at ygvcb@hotmail.com to discuss your requirements and explore partnership opportunities with Shaanxi Yuguang Electric Co., Ltd. Let's create a brighter future together.
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