2025-09-01
In modern power distribution systems, safety, reliability, and performance are always at the forefront of decision-making. One key component that ensures efficient medium-voltage switching operations is the Air Load Break Switch. Designed to interrupt and isolate electrical loads under normal operating conditions, this switch is widely used in power stations, substations, and distribution networks. By providing both operational safety and cost-effectiveness, it has become a preferred solution for industries, utilities, and commercial infrastructure.
When choosing the right switchgear, engineers and procurement teams look not only at the performance features but also at the precision of parameters. Zhejiang SanGao Electric Co., Ltd., a trusted manufacturer in the electrical industry, offers a range of Air Load Break Switch products engineered to meet global standards.
Provides safe switching of electrical circuits under load conditions.
Ensures visible isolation to protect operators and maintenance personnel.
Reduces the risk of equipment failure by interrupting current flow reliably.
Minimizes downtime during system upgrades or fault clearance.
Offers long service life with minimal maintenance requirements.
When selecting an Air Load Break Switch, understanding its parameters is essential. Below is a typical specification outline that helps engineers and operators evaluate the product:
| Parameter | Specification |
|---|---|
| Rated Voltage | 12kV / 24kV / 36kV |
| Rated Current | 630A / 1250A / 1600A |
| Rated Frequency | 50Hz / 60Hz |
| Rated Short-Time Current | 16kA / 20kA / 25kA (1s) |
| Rated Peak Withstand Current | 40kA / 50kA |
| Rated Power Frequency Withstand Voltage | 42kV / 50kV |
| Lightning Impulse Withstand Voltage | 75kV / 125kV |
| Mechanical Endurance | ≥ 5000 operations |
| Insulation Medium | Air |
| Operating Mechanism | Manual / Motorized |
Compact Design: Saves installation space while providing reliable performance.
High Safety Standards: Arc-quenching system ensures operator safety.
Durability: Designed for harsh environments with corrosion-resistant materials.
Flexible Operation: Available in both manual and motorized versions.
Compliance: Meets IEC and other international standards.
Substations – For safe disconnection of medium-voltage lines.
Industrial Facilities – To ensure reliable power distribution in factories and plants.
Commercial Buildings – Provides load isolation for uninterrupted operations.
Renewable Energy Systems – Widely used in solar and wind energy distribution networks.
Zhejiang SanGao Electric Co., Ltd. has over two decades of expertise in designing and manufacturing Air Load Break Switch products. With a commitment to quality, innovation, and global customer support, the company has earned trust across multiple markets. Customers benefit from:
Strict quality control and ISO-certified production lines.
Customized solutions based on project requirements.
Competitive pricing with international certifications.
Fast technical support and after-sales service.
Enhanced Safety – Provides visible isolation, ensuring safe maintenance.
Reliable Performance – Tested under international standards for endurance.
Cost Efficiency – Minimizes operational downtime and reduces replacement needs.
Versatility – Adaptable across different voltage levels and applications.
Q1: What is the main purpose of an Air Load Break Switch?
A1: An Air Load Break Switch is primarily used to safely interrupt and isolate electrical loads in medium-voltage systems. It ensures operators can carry out maintenance or inspections without risk, while keeping systems reliable and efficient.
Q2: How does an Air Load Break Switch improve safety compared to traditional switches?
A2: Unlike conventional switches, the Air Load Break Switch is designed with advanced arc-quenching technology. This prevents electrical arcs from causing damage or injuries, ensuring operators have visible confirmation of disconnection before performing work.
Q3: What parameters should be considered before choosing an Air Load Break Switch?
A3: Key factors include rated voltage, rated current, short-time withstand current, insulation level, and operating mechanism. Ensuring compatibility with your network's capacity is crucial for long-term safety and reliability.
Q4: Where can I purchase high-quality Air Load Break Switch products?
A4: Zhejiang SanGao Electric Co., Ltd. is a trusted supplier of Air Load Break Switches, offering a complete range of specifications tailored to different industries. Customers can rely on the company's global service network and strong technical expertise.
Choosing the right Air Load Break Switch is critical for achieving safe, reliable, and efficient power distribution. From substations to renewable energy systems, these switches play an essential role in maintaining system stability and protecting both personnel and equipment. Zhejiang SanGao Electric Co., Ltd. provides industry-leading solutions backed by years of expertise and international recognition.
For inquiries, technical support, or product customization, please contact Zhejiang SanGao Electric Co., Ltd. today.