Product
Shinegrand Electric Co., Ltd. is strategically located in Liushi, renowned as the "Electrical Capital of China." We are a collaborative venture uniting multiple established factories in the high-voltage electrical sector, creating a direct-supply bridge between world-class manufacturing and global customers.
Our affiliated factories bring decades of expertise in transformer, fuse, surge arrester, and disconnector manufacturing. By integrating their core strengths, we've built a comprehensive, quality-controlled supply chain that eliminates markup layers while ensuring stable delivery and exceptional product performance.
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Pole-Mounted Single-Phase Power TransformerDesigned for efficient voltage conversion in distribution networks, this single-phase oil transformer delivers reliable 220V output for residential and commercial use. Built with high-grade materials and durable outdoor construction, it ensures stable, continuous power supply. -
Buried Transformer 20kv 10kv 6kv Waterproof Underground SubstationFully sealed S11-MD <strong>buried underground transformer</strong> with IP68 waterproof rating, engineered for continuous submersion in pits, tunnels, and flood-prone areas. This <strong>underground substation</strong> delivers 20kV/10kV/6kV primary to 0.4kV secondary with low no-load losses and quiet magnetic operation. Built with cold-rolled silicon steel cores and corrosion-resistant A3 steel enclosure, it remains operational even after 120 days under one meter of water — ideal for bridges, road lighting, parking facilities, and remote power distribution. -
Three Phase Pad Mounted Transformer Series<strong>Three phase pad mounted transformer</strong> built for outdoor small substations — rated up to <span style="color: #cc0000;">35KV and 6300KVA</span>. Integrated pre-installed HV/LV components in a compact, corrosion-resistant cabinet reduce installation time and wiring errors. Designed for industrial parks, residential developments, and commercial complexes, this <strong>padmount transformer</strong> combines durability, quiet operation, and easy maintenance in one space-saving unit. -
Submersible Transformer SeriesThe <strong>Submersible Transformer Series</strong> delivers power where water is constant — seabed, offshore platforms, wastewater plants. <span style="color: #cc0000;">Fully sealed and submersion-rated</span>, it keeps moisture out and electricity flowing, eliminating external enclosures and reducing maintenance in flooded, high-humidity or corrosive conditions.
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Wind-Resistant Drop-Out Fuse for Wind FarmsThe HGRW1-35-40.5KV/200A wind-resistant drop-out fuse is engineered specifically for 35kV wind power systems. Designed to withstand high winds and harsh environments, it features durable construction, a 1250mm creepage distance, and rated breaking current of 12.5kA. This fuse ensures reliable overload and short-circuit protection for transmission lines and transformers in demanding wind farm applications. -
Wind-Resistant Fuse Cutout: 35kV Wind Farm ProtectionDesigned for high-wind environments, this 35kV composite-insulated fuse cutout prevents accidental disconnections in wind power systems. It features stainless steel connections, dual-contact design, and a reinforced central support for stable performance. Used in wind farms and high-altitude lines, it protects transformers and distribution branches from overload and short circuits. -
Load Break Fuse: Essential Power System ProtectionThe Load Break Fuse Cutout provides safe interruption of circuits under load current while delivering overload and short-circuit protection. Widely used in high-voltage distribution networks, it combines fuse protection with circuit breaking functions. Key advantages include simple operation, easy maintenance, and reliable isolation of faults to safeguard equipment and power supply continuity. -
10kV Porcelain Fuse Cutout – 300A Fault ProtectionThe SGFCO-10/300 porcelain dropout fuse cutout delivers rapid 20ms fault interruption, 75kV impulse resilience, and maintenance-free durability. Designed with a 220mm creepage distance and IP54-rated enclosure, it excels in harsh environments. Compliant with IEC 60282-1 and IEEE C37.41, it ensures reliable protection for high-voltage distribution systems.
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Dropout Surge Arrester – HY5WS-17/50DLThe HY5WS-17/50DL dropout surge arrester offers advanced lightning protection for medium to high-voltage power lines. Designed with a rated voltage of 17kV and continuous operating voltage of 13.6kV, it limits residual voltages to safeguard critical electrical infrastructure effectively. -
Station Surge Arrester: Electrical Safety EssentialStation surge arresters protect substations and distribution systems by diverting lightning and transient overvoltages to ground. With high withstand voltage and fast response, they safeguard transformers, switchgear, and other critical equipment to ensure electrical safety and system stability. -
Pillar Surge Arrester – 17kV Multi-Function UnitThe HY5WBG-17/50 is a compact, integrated surge arrester designed for 10kV systems. It combines structural support, lightning protection, insulation, and grounding in one unit, simplifying installation and enhancing grid safety with robust electrical and mechanical performance. -
11kV Anti-Pollution Surge ArresterThis 11kV anti-pollution surge arrester provides robust protection for medium-voltage systems in harsh environments. With a high specific energy absorption capacity and durable polymer housing, it ensures reliable performance under high humidity and pollution conditions, reducing surge-induced failures by over 90%.
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GW5-40.5/1250 High-Current Outdoor DisconnectorThe GW5-40.5/1250 is a robust 40.5kV, 1250A outdoor disconnector engineered for high-current isolation in demanding medium-voltage networks. It features an advanced anti-flashover design for polluted environments, exceptional mechanical endurance, and compliance with international standards. Its high short-circuit ratings and reliable no-load switching make it ideal for heavy industrial and critical infrastructure applications. -
GW4-40.5/630 40.5kV Outdoor DisconnectorThe GW4-40.5/630 is a 40.5kV, 630A outdoor disconnecting switch designed for reliable electrical isolation and switching in high-voltage systems. Featuring silver-plated contacts, robust arc-extinguishing capabilities, and an IP54-rated enclosure, it ensures stable performance in harsh environments ranging from -40°C to +40°C, making it suitable for demanding industrial and utility applications. -
GW1-10/1250 10kV Outdoor DisconnectorThe GW1-10/1250 is a 10kV, 1250A outdoor high-voltage disconnecting switch designed for reliable circuit isolation and transfer in distribution systems. With high insulation ratings, robust short-circuit withstand capability, and flexible manual or electric operation options, it ensures safe and stable power network performance in demanding environments. -
SGG3 10kV Outdoor Single-Phase IsolatorThe SGG3 is a single-phase isolator designed specifically for 10kV outdoor line applications, intended for circuit isolation and connection under no-load conditions. Featuring a modular self-locking structure and an independent insulated operating mechanism, it offers low contact resistance, strong current-carrying capacity, and high environmental adaptability, meeting the safety isolation requirements in distribution networks.
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Technical ConsultationShare your specifications and application requirements with our engineering team -
Custom Solution DesignReceive tailored product recommendations and system integration guidance -
Factory ProductionDirect manufacturing with real-time quality monitoring and progress updates -
Delivery & SupportLogistics coordination, installation guidance, and ongoing technical assistance
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1. What products do you mainly offer?
We focus on the high-voltage electrical field, and our main products include, but are not limited to: power transformers, high-voltage fuses, surge arresters, disconnect switches, etc. We can also provide related supporting products and complete solutions.
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2. How can we ensure product quality?
Our quality assurance stems from three aspects: First, all alliance factories are experienced manufacturers in the industry, possessing mature production processes and strict internal control standards. Second, we have established a unified quality control system to monitor the entire supply chain. Finally, our professional team is well-versed in international electrical standards (such as IEC, IEEE, etc.) and national and regional standards, ensuring that our products meet the requirements of the target market.
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3. What are your main markets? Do you support OEM/ODM?
We serve the global market. Yes, we support OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) cooperation models, and can provide corresponding product certification support according to customer requirements.
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4. What is the minimum order quantity (MOQ)? What are the payment and delivery terms?
MOQ varies depending on the specific product; we strive for flexibility and offer competitive minimum order quantities for standard products. Payment terms (such as T/T, L/C, etc.) and delivery terms (such as FOB, CIF, etc.) can be negotiated and determined during the discussion, and we will provide clear and transparent solutions.
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5. How can I obtain product catalogs, quotes, or technical consultations?
You can submit your specific requirements through the "Contact Us" form on our website, or send an email directly to our sales/technical department. Please inform us of the product models, specifications, quantities, and target markets you are interested in, and our professional team will provide you with detailed information and a quote as soon as possible.
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