Products

Sangao is a professional manufacturer and supplier in China. Our factory provides lightning arrester, earthing switch, AC isolation switch, etc. Buy wholesale from our factory for grid, mining, and power plant projects.

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Zinc Oxide Lightning Arrester

Sangao high quality Zinc oxide lightning arrester It is a voltage and current protector with functions such as overcurrent, overvoltage, and undervoltage protection. When the current/voltage deviates from the set value, the relay automatically cuts off the power supply to prevent fire and protect electrical equipment. It also has an automatic reset function, which means that when the voltage and current return to normal values, the power supply will automatically recover.

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Drop-Out Fuse

Drop-Out Fuse is manufactured and supplied by Sangao for use in overhead distribution systems, including fuses, fuses, and accessories. Drop out fuse is an electrical safety device used for utility poles to protect electrical equipment and systems from overload or short circuit damage. Drop out fuse, also known as drop out circuit breaker or simply circuit breaker, is an electrical fuse mainly used in distribution lines to protect transformers, wires, and other equipment from overcurrent effects. If you have any specifications you want, please feel free to contact us at any time!

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Outdoor Isolation AC Switch

The Sangao High Quality Outdoor Isolation AC Switch consists of three identical single pole isolation switches, which are installed as a unit through a tubular connecting rod and equipped with a manual operating mechanism. Each single pole isolation switch has an independent iron frame, with two post insulators installed at both ends and contacts mounted on the post insulators. There is a rotating shaft in the middle of the iron frame, and the knife switch is opened and closed with the help of a pull rod insulator. Each pole has two pillar insulators fixed on both sides of the base, with a pull rod insulator, a crank arm, and a rotating shaft in the middle to open and close the switch. The switch can be equipped with an anti-theft operating mechanism or a common operating mechanism.

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High Voltage Isolation Switch

Sangao focuses on the research and development of High Voltage Isolation Switch. Our security sensors can reduce costs, improve efficiency, save energy, and promote environmental sustainability. In addition, the grounding switch is used in conjunction with the isolation switch to provide effective grounding/connection, grounding the power-off part of the system. We provide customized professional technical support.

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Outdoor Grounding Switch

What truly defines a trustworthy outdoor grounding switch? Is it durability in harsh environments, mechanical robustness, or stability under fault conditions? Using Sangao's outdoor grounding switch, the answer is clear - it offers all these advantages in a compact and reliable design. This product can ensure reliable grounding of high-voltage outdoor electrical equipment, protect personnel and infrastructure, and improve the safety and stability of the power system.

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Outdoor Isolation Switch

Sangao High Quality Outdoor Isolation Switch is a high-performance 12kV AC metal armored switchgear designed specifically for power distribution systems. The device adopts a pull-out structure and complies with GB 3906 and IEC 62271-200 standards. It is suitable for substations, industrial plants, commercial buildings, and renewable energy facilities, with excellent reliability, safety, and intelligent control functions, and can be used for distribution, protection, and management.

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AC Isolation Switch

You can wholesale Sangao AC Isolation Switch, It is completely powered off during daily maintenance and upkeep, and quickly shut down in emergency situations. This switch isolates the circuit from the main power supply and releases any residual current in the circuit, ensuring safe operation and quick shutdown and cutting off of any current when an emergency stop is required.

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HV Vacuum Load Break Switch

Sangao high quality HV Vacuum Load Break Switch, As independent components, they are offered at highly competitive prices. We offer two types of switches: the ultra-high speed model HVS-XXX-F, which can vary voltage within ± 15% of the rated value; And switch model HVS-XXX-V with a wide range of applied voltage.

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