Your Questions. Our Answers
Frequently Asked Questions
What is your commitment to sustainability?
We comply with ISO 14001 environmental management standards, continuously reducing waste, improving energy efficiency, and sourcing eco-friendly materials.
How do you handle urgent requests?
We reserve production slots for expedited orders and work overtime when necessary to meet critical project timelines, subject to material availability.
What is your production capacity?
Our combined facilities can produce over 10,000 medium-voltage components and 1,000 transformers per year, ensuring timely fulfillment of both small and large orders.
How do you ensure seamless project support?
A dedicated project manager is assigned to each order to coordinate technical details, delivery schedules, and on-site needs from quotation through commissioning.
How experienced is your engineering team?
Our team comprises over 20 seasoned engineers with backgrounds in power systems, materials science, and product certification, ensuring technically sound solutions.
Which industries rely on Putai Electric products?
Our solutions serve power generation, utilities, rail transit, petrochemical, renewable energy, and industrial manufacturing sectors—any application demanding safe, durable medium- and high-voltage equipment.
Do you support customers outside China?
Yes. We serve clients globally via a network of regional partners, offering localized sales assistance, technical training, and after-sales service to ensure smooth project execution.
Where is Putai Electric based and how did it begin?
Headquartered in Zhejiang, China, Putai Electric was founded in 2010 by a group of electrical engineers focused on advancing insulation technology and solving real-world switchgear challenges.
How do you ensure the quality of your switchgear?
The quality of our medium voltage switchgear is ensured through strict quality control processes, including raw material inspection, production monitoring, and final testing in accordance with IEC standards.
What standards do your switchgear products comply with?
Our switchgear products comply with international standards such as IEC 62271, ensuring safety, reliability, and performance for both SF6-free switchgear and eco-friendly switchgear applications.
Are your SF6-free switchgear products tested before delivery?
Yes, all SF6-free switchgear undergoes routine testing, including dielectric tests, mechanical operation tests, and functional verification to ensure reliable performance before shipment.
What type of testing is performed on switchgear?
Switchgear is tested through type tests, routine tests, and factory acceptance tests (FAT). These tests ensure that the electrical switchgear system meets required performance and safety standards.
Do you provide factory acceptance testing (FAT)?
Yes, we support factory acceptance testing (FAT) for medium voltage switchgear. Customers can verify product quality, performance, and compliance before shipment.
What materials are used in your eco-friendly switchgear?
Our eco-friendly switchgear uses high-quality materials such as epoxy resin, copper conductors, and environmentally friendly insulation systems to ensure long-term reliability and safety.
How reliable is SF6-free switchgear compared to traditional switchgear?
Modern SF6-free switchgear is designed with advanced insulation and vacuum circuit breaker technology, providing reliability comparable to traditional gas insulated switchgear (GIS).
What is the expected service life of your switchgear?
Our medium voltage switchgear is designed for a service life of 20 to 30 years under normal operating conditions, ensuring long-term performance in power distribution systems.
Do your products undergo quality inspection during production?
Yes, we implement strict in-process quality inspection at every stage of production, including component inspection, assembly checks, and performance testing.
Can you provide test reports and certifications?
Yes, we provide complete test reports and certifications for our switchgear products, including routine test reports and compliance documentation based on IEC standards.
What is SF6-free switchgear?
SF6-free switchgear is a type of medium voltage switchgear that uses environmentally friendly insulation instead of sulfur hexafluoride gas. It is widely used in eco-friendly switchgear systems to reduce environmental impact and support sustainable power distribution.
What is eco-friendly switchgear?
Eco-friendly switchgear refers to environmentally friendly switchgear designed without SF6 gas. It uses alternative insulation technologies such as clean air or solid insulation, making it suitable for green switchgear and sustainable power systems.
What is medium voltage switchgear?
Medium voltage switchgear is electrical equipment used to control, protect, and isolate power systems typically ranging from 3.6kV to 36kV. It is widely used in power distribution equipment and industrial electrical systems.
What is the difference between SF6-free and gas insulated switchgear (GIS)?
SF6-free switchgear does not use SF6 gas, while traditional gas insulated switchgear (GIS) relies on SF6 for insulation. SF6-free solutions use alternative gases or solid insulation to achieve environmentally friendly switchgear performance.
What are the advantages of SF6-free switchgear?
SF6-free switchgear offers reduced greenhouse gas emissions, compliance with environmental regulations, and safer operation. It is a key component in sustainable switchgear and modern power distribution systems.
What is the difference between AIS and GIS switchgear?
Air insulated switchgear (AIS) uses air as the insulation medium, while gas insulated switchgear (GIS) uses gas such as SF6. AIS is more cost-effective, while GIS is more compact and widely used in indoor switchgear applications.
What voltage levels are available for medium voltage switchgear?
Medium voltage switchgear is available in ratings such as 12kV, 24kV, and 36kV. These systems are commonly used in MV distribution switchgear for industrial, utility, and infrastructure projects.
What is a ring main unit (RMU)?
A ring main unit (RMU) is a compact switchgear used in medium voltage distribution networks. It is commonly applied in urban power grids and renewable energy systems for reliable power supply.
Is SF6-free switchgear reliable?
Yes, modern SF6-free switchgear provides reliable performance comparable to traditional switchgear. It integrates vacuum circuit breaker switchgear technology and advanced insulation systems to ensure safe operation.
What standards apply to environmentally friendly switchgear?
Environmentally friendly switchgear is designed according to international standards such as IEC 62271. These standards ensure safety, insulation performance, and long-term reliability.
What is the lifespan of medium voltage switchgear?
Medium voltage switchgear typically has a service life of 20 to 30 years. Proper maintenance and operating conditions can extend the lifespan of electrical switchgear systems.
What maintenance is required for switchgear systems?
Switchgear systems require periodic inspection, cleaning, and functional testing. Maintenance ensures reliable performance in power distribution equipment and prevents system failures.
Can SF6-free switchgear replace traditional switchgear?
Yes, SF6-free switchgear can replace traditional gas insulated switchgear in many applications. It is increasingly adopted in green switchgear solutions for sustainable energy and infrastructure projects.