About
our company
Founded in 1992, Zhejiang Southeast Electric Co., Ltd. is a private high-tech enterprise integrating research and development, manufacturing, and marketing. The company's main product is capacitor switching contactors, and it also develops a series of intelligent capacitor composite switches, dynamic reactive power compensation switching regulators, and automatic reactive power compensation controllers. It is particularly renowned in the industry for its capacitor switching contactor series. With the rapid development of China's electrical industry, Southeast Electric, relying on its strong technical advantages, high-quality products, and excellent service, has maintained a leading position in the professional field of capacitor switching contactors, adhering to the principles of "superior quality, complete product range, and excellent service." Many well-known domestic institutions and large-scale national engineering projects have selected Southeast Electric's high-quality products for bidding.
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WHY
CHOOSE US
Southeast Electric adheres to the goal of producing precise, high-quality, and technologically advanced products.
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Advanced TechnologySoutheast Electric, relying on its strong technical advantages, high-quality products, and excellent service, has maintained a leading position in the professional field of capacitor switching contactors.
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High Quality Equipment3 production lines, 5 plastic injection molding machines, 3 multi-head computer-programmed automatic wire laying machines, 3 computer-controlled wire stripping machines, 2 punch presses，etc.
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Professional TeamAs a seasoned manufacturer specializing in capacitor switching contactors for 30 years, Southeast Electric boasts a highly skilled and experienced R&D and quality control team.
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Quality ServiceBefore customers purchase products, we provide comprehensive, professional, and rapid technical and business support to ensure correct product selection and reliable solutions.providing timely, attentive, and worry-free after-sales support.
The ideal choice for
improving efficiency.
Our products are safe and reliable, flexible and easy to use, rapid deployment and other characteristics, can be quickly adapted to different application scenarios in various industries.
Our hot sale products
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![Solid Insulated Ring Main Unit (Solid RMU)]( "Solid Insulated Ring Main Unit (Solid RMU)")
Solid Insulated Ring Main Unit (Solid RMU)For environments where even a minor gas leak presents extreme safety hazards—such as deep underground mines, subway tunnels, or chemical...
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![MVHV Ring Main Switchgear (RMU)]( "MVHV Ring Main Switchgear (RMU)")
MVHV Ring Main Switchgear (RMU)Reliable secondary distribution is the absolute backbone of any stable industrial grid, and choosing a robust switchgear is critical to preventing costly...
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![Outdoor Compact Switching Station]( "Outdoor Compact Switching Station")
Outdoor Compact Switching StationBuilding traditional concrete, brick-and-mortar switching stations in dense urban areas is slow, costly, and heavily restricted by zoning laws, land...
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![Eco-friendly Gas Insulated Fully Enclosed Switchgear]( "Eco-friendly Gas Insulated Fully Enclosed Switchgear")
Eco-friendly Gas Insulated Fully Enclosed SwitchgearWith global climate regulations tightening and the phasing out of SF6 greenhouse gas becoming a top priority, eco-conscious utility operators and industrial...
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![Primary & Secondary Integrated RMU And DTU]( "Primary & Secondary Integrated RMU And DTU")
Primary & Secondary Integrated RMU And DTUOur factory pioneered the development of the Primary & Secondary Integrated RMU and DTU to solve this problem, pre-assembling, pre-wiring, and...
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![SF6 Gas Fully Insulated Ring Main Unit (RMU)]( "SF6 Gas Fully Insulated Ring Main Unit (RMU)")
SF6 Gas Fully Insulated Ring Main Unit (RMU)We developed our premium SF6 Gas Fully Insulated Ring Main Unit (RMU) to solve these challenging environmental conditions, completely sealing all primary...
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![Cylindrical Aluminum Case Capacitor]( "Cylindrical Aluminum Case Capacitor")
Cylindrical Aluminum Case CapacitorSpace limitations and heat accumulation are the two greatest challenges in modern, compact automatic power factor correction (APFC) panels. We developed our...
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![Single-Phase Shunt Capacitor]( "Single-Phase Shunt Capacitor")
Single-Phase Shunt CapacitorLong-distance rural distribution lines and localized residential grids often suffer from severe voltage sags and high line impedance, which degrade the...
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![Split-Phase Power Capacitor]( "Split-Phase Power Capacitor")
Split-Phase Power CapacitorUnbalanced three-phase loads are a silent profit killer in modern commercial electrical systems, commonly caused by single-phase lighting, computer...
Latest news and events
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![How To Disassemble An AC Contactor?]()
Nov 20, 2025How To Disassemble An AC Contactor?Disassembling an AC contactor requires first turning off the power to ensure safety.view more -
![Metals Within An AC Contactor]()
Nov 19, 2025Metals Within An AC ContactorThe main metal materials used in AC contactors include copper, iron, and aluminum.view more -
![How To Calculate The Load Capacity Of An AC Contactor in Kilowatts?]()
Nov 18, 2025How To Calculate The Load Capacity Of An AC Contactor in Kilowatts?First, we need to obtain the rated current and rated voltage information from the AC contactor's technical specifications or product label.view more
