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As a premier manufacturer and supplier of electrical protection equipment, we engineer the High Voltage Polymer Fuse for Transformer Overload Protection to safeguard critical grid infrastructure. Designed specifically for commercial procurement and large-scale power projects, this unit delivers rapid, uncompromising fault isolation.
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HPRWG2-35-2
Product Description
Condition of Use:
1. The ambient air temperatures within the range of -30 degreeto +40 degree;
2. The altitude above sea level not exceeding 1, 000m; (If the altitude is higher than 1, 000, it needs adjust. )
3. Frequency of the A. C. Power supply not less than 48Hz and not exceeding 52Hz;
4. Earthquake intensity not exceeding 7 degrees;
5. Maximum wind speed not exceeding 35m/s.
Technical Standard:
The technical performance of the products is in confirmed to IEC291, 282.
| Type | Rated voltage(KV) | Rated current(A) | Breaking current(KA) | Impulse voltage(KV) | Power-frequency withstand voltage(KV) | Leakage distance(MM) |
| HPRWG2-40.5 | 40.5 | 100 | 5 | 185 | 105 | 1440 |
The High Voltage Polymer Fuse for Transformer Overload Protection stands as a vital defense mechanism for modern power distribution networks. When handling the physical unit, the dense, smooth texture of the premium polymer housing immediately conveys a sense of rugged durability, meticulously crafted to resist the harshest environmental degradation. The metallic components gleam with a precision-engineered silver coating, indicating a strict attention to optimal conductivity and thermal management. Every sweeping curve of the shedding profile is aerodynamically and electrically optimized to shed water rapidly, preventing surface tracking and ensuring a pristine insulative barrier even after torrential downpours.
Beyond its striking physical build, this device acts as an uncompromising sentinel for your transformers. By instantly interrupting fault currents and overload conditions, it prevents catastrophic equipment failure, thereby eliminating exorbitant replacement costs and minimizing network downtime. The mechanical operation produces a crisp, decisive snap upon engagement—a sound that assures installation crews of a secure, locked-in connection. Whether deployed in highly corrosive coastal substations or arid, wind-swept desert grids, the superior craftsmanship guarantees that your electrical infrastructure remains active, stable, and profoundly protected against unpredictable power surges.
| Technical Parameters & Specifications | |
|---|---|
| Type | HPRWG2-40.5 |
| Rated voltage (KV) | 40.5 |
| Rated current (A) | 100 |
| Breaking current (KA) | 5 |
| Impulse voltage (KV) | 185 |
| Power-frequency withstand voltage (KV) | 105 |
| Leakage distance (MM) | 1440 |
| Condition of Use | |
| Ambient Air Temperature | Within the range of -30 degree to +40 degree |
| Altitude | Not exceeding 1, 000m; (If the altitude is higher than 1, 000, it needs adjust.) |
| Frequency of A.C. Power Supply | Not less than 48Hz and not exceeding 52Hz |
| Earthquake Intensity | Not exceeding 7 degrees |
| Maximum Wind Speed | Not exceeding 35m/s |
| Technical Standard | |
| The technical performance of the products is in confirmed to IEC291, 282. | |
| Service & Support Details | |
| Samples providing? | We are providing the samples for free, but need pay for the freight charge. |
| EPC material design and provide in lot? | Yes, we are supplying for LV and MV EPC material in lot many years, and have strong design team. |
| OEM available? | Yes, we are providing the anchor clamp as custom requirement. |
| Complete documents for tender? | Yes, whole set documents ready for submit. |
Upgrading your electrical grid demands components that not only perform under pressure but endure through years of harsh exposure. Our high voltage fuses are engineered to deliver unparalleled reliability, ensuring that your distribution networks operate without unexpected interruptions. This meticulous design translates into direct operational benefits, significantly reducing maintenance cycles and enhancing overall grid safety for long-term deployments.
Rapid Fault Isolation: Instantly cuts off overload currents to shield expensive downstream transformers from permanent thermal or mechanical damage.
Exceptional Environmental Resilience: The hydrophobic polymer exterior actively repels moisture, drastically reducing the risk of flashovers in humid, coastal, or heavy rain climates.
Optimized Thermal Dissipation: High-grade conductive materials prevent excessive heat buildup during continuous operation, extending the lifespan of the contact points.
Intuitive Visual Indication: Designed to provide clear, immediate visual confirmation of a dropped operation, allowing maintenance teams to identify and replace triggered units swiftly from a distance.
Seamless Integration: Standardized mounting dimensions ensure effortless compatibility with existing grid infrastructure, accelerating deployment timelines for large-scale upgrades.
Infrastructure longevity is a primary concern for large-scale procurement. This fuse utilizes a premium composite of high-grade silicone rubber insulators and a rigid fiberglass epoxy resin fuse tube. This specific material matrix offers extraordinary resistance to ultraviolet radiation, moisture penetration, and corrosive atmospheric elements. By effectively mitigating the risks of thermal expansion and contraction, the housing prevents micro-fractures, ensuring the unit remains structurally sound and electrically insulated even in the most extreme outdoor environments.
Advanced silicone rubber formulation prevents surface aging and cracking.
Fiberglass epoxy core provides unmatched mechanical tensile strength.
Highly hydrophobic surface maintains insulation integrity during severe weather.
When a transformer overload occurs, milliseconds matter. This product features a formidable 5 KA breaking current capacity, driven by an advanced internal arc-extinguishing mechanism. Upon fault detection, the engineered arc-shortening rod and specialized gas-evolving materials rapidly quench the electrical arc. This immediate response restricts the fault current from escalating, completely preventing secondary arcing events that could otherwise devastate the transformer and destabilize the broader power grid.
Millisecond-level response time for instantaneous fault isolation.
Gas-evolving arc quenching materials ensure clean, safe circuit breaks.
Protects against both localized short circuits and prolonged overloads.
Continuous current flow often leads to thermal stress in inferior components. To combat this, our fuse employs contacts forged from pure copper and high-elasticity copper alloys. These critical touchpoints undergo a rigorous, thick silver-plating process that strictly adheres to industry thickness standards. This meticulous craftsmanship guarantees exceptionally low contact resistance, highly efficient current transmission, and a robust elastic grip that prevents contact ablation and overheating over decades of continuous service.
Pure copper base ensures maximum baseline electrical conductivity.
Industrial-grade silver plating prevents oxidation and reduces resistance.
High-elasticity design maintains firm contact pressure over thousands of cycles.
Efficiency in installation and maintenance directly impacts project budgets. We have engineered this fuse with strict adherence to standardized dimensional tolerances, granting it flawless mechanical and electrical interchangeability with major international brands. The structural geometry ensures a highly reliable drop-out action upon fuse melting. This clear, unmistakable physical displacement allows line workers to rapidly identify blown fuses during night patrols or post-storm inspections, drastically cutting down system restoration times.
Universal compatibility streamlines inventory management for large grids.
Crisp, gravity-driven drop-out mechanism leaves no ambiguity regarding fuse status.
Ergonomic mounting brackets facilitate safe, rapid installation by field crews.
Participation in global infrastructure initiatives requires uncompromising proof of quality. This High Voltage Polymer Fuse is rigorously designed and validated against the stringent requirements of IEC291 and IEC282 standards. It has successfully passed comprehensive type tests conducted by authoritative, independent third-party laboratories. These credentials provide procurement engineers with the absolute assurance needed to integrate our products into national grid expansions and highly regulated international EPC projects.
Fully compliant with foundational IEC291 and IEC282 safety frameworks.
Validated through extensive third-party high-voltage laboratory testing.
Meets the strict entry requirements for global utility and infrastructure tenders.
Reliability is built on a foundation of exhaustive verification. Our manufacturing facility implements a zero-compromise, 100% full-inspection protocol for every unit before it leaves the production floor. The fuses are subjected to brutal salt spray corrosion simulations, thousands of mechanical open-close lifecycle tests, extreme temperature rise evaluations, and strict vacuum sealing assessments. This relentless quality control system ensures that the product you receive will perform flawlessly from day one through year twenty.
100% end-of-line inspection guarantees zero defects upon delivery.
Mechanical endurance testing proves long-term structural reliability.
Salt spray and thermal testing simulate decades of environmental abuse.
Large-scale electrical deployments require a supply chain partner that adapts to specific project needs. Supported by a formidable internal R&D and engineering team, we offer extensive OEM and ODM customization services. From modifying anchor clamps to adjusting specific electrical tolerances, we tailor our manufacturing to your blueprints. Furthermore, we accelerate your project timelines by providing free physical samples for your evaluation, rapid production lead times, and a complete suite of ready-to-submit tender documentation.
Dedicated R&D team ready to execute complex OEM/ODM customizations.
Free sample provision allows for hands-on quality and fitment verification.
Comprehensive tender document packages streamline your bidding process.
Selecting the right manufacturing partner is just as critical as the technical specifications of the components you install. We provide a comprehensive ecosystem of support designed specifically for large-scale infrastructure developers, utility operators, and procurement managers. Our production facilities merge advanced automation with rigorous manual inspections, ensuring every single unit shipped meets uncompromising global standards. We are not just a supplier; we are an extension of your engineering team.
Decades of Manufacturing Excellence: Deep-rooted expertise in crafting high-voltage protection devices tailored for diverse global climates and demanding grid architectures.
Scalable Production Capacity: Fully equipped facilities capable of handling massive volume orders with strict, unwavering adherence to agreed delivery schedules.
End-to-End Engineering Support: From initial blueprint analysis to final on-site implementation guidance, our technical experts remain at your disposal.
Streamlined Procurement Process: We simplify complex international sourcing by providing comprehensive documentation, transparent logistics, and dedicated account management.
Commitment to Continuous Innovation: Heavy, ongoing investments in R&D ensure our product lines constantly evolve to meet the future demands of smart grid technologies.
The premium silicone rubber polymer features exceptional inherent hydrophobicity and tracking resistance. In highly polluted or saline coastal areas, it actively prevents the accumulation of conductive grime and moisture. This self-cleaning property significantly reduces leakage currents and maintains optimal insulation integrity over decades, preventing the flashovers commonly seen in traditional porcelain alternatives.
Yes, our dedicated engineering team excels in providing custom modifications to suit legacy infrastructure. We can precisely adjust the hardware dimensions, mounting angles, and bracket configurations to ensure a perfect, secure fit for older substations, all without compromising the unit's core structural integrity or electrical performance.
Each fuse design undergoes rigorous, destructive short-circuit testing in certified high-voltage laboratories. We simulate extreme fault conditions to verify that the internal arc-extinguishing tube completely clears the 5 KA current within milliseconds. This testing ensures the arc is quenched before it can escape the tube, preventing any secondary electrical arcing or equipment damage.
Absolutely. The contacts are forged from a specialized high-elasticity copper alloy and coated with a dense, industrial-grade silver layer. This specific combination not only ensures superior baseline conductivity but also withstands thousands of mechanical opening and closing cycles without significant abrasion, ensuring the contact pressure remains tight and secure over the product's lifespan.
We supply a comprehensive suite of tender-ready documents to support your bidding process. This includes detailed technical drawings, certified type test reports compliant with IEC291 and IEC282 standards, comprehensive quality assurance certificates (ISO), and detailed material specifications. This ensures your project bid is fully compliant, thoroughly documented, and highly competitive.
Product Parameters
Basic Info.
| Model NO. | HPRWG2-35-2 |
| Shape | Spiral |
| Fusing Device | Pop-up Solid |
| Operation | Electric Type |
| Speed | High-Speed Circuit Breaker |
| Arc-Extinguishing Medium | Vacuum |
| Certification | ISO9001-2000 |
| Specification | 40.5kv |
| Origin | China |
| Production Capacity | 10, 000 PCS/Month |
| Usage | High Voltage |
| Fusing Speed | FF |
| Standard | IEC |
| Installation | Fixed |
| Structure | Moulded Case Circuit Breaker |
| Function | Ovpp(Overvoltage Protection) |
| Transport Package | Export Standard Packing |
| Trademark | ZHON |
| HS Code | 8535100000 |
Company Profile
Packaging & Shipping
FAQ
Q1: Samples providing?
A1: We are providing the samples for free, but need pay for the freight charge.
Q2: EPC material design and provide in lot?
A2: Yes, we are supplying for LV and MV EPC material in lot many years,and have strong design team.
Q3: OEM available?
A3: Yes, we are providing the anchor clamp as custom requirement.
Q4: Complete documents for tender?
A4: Yes, whole set documents ready for submit.
