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Power Capacitors
- BY71 Series Cylindrical Capacitor
- BSMJ Series Self-healing Low Voltage Shunt Capacitors
- BY86 Series Controlled Intelligent Capacitor
- BYKXG/F Series Anti-harmonic Intelligent Capacitor
- BY81 Series Intelligent Capacitor
- BY82J Series Anti-harmonic Intelligent Capacitor
- BY89 Series Intelligent Capacitor
- Intelligent Controller Series
- Reactor
- Intelligent Switch Series
- Alternating Current Contactor
- Multifunctional power instruments
- Circuit Breaker
- APF/SVG/SPC Cabinet & Module Series
BSMJ 0.45-5-3 Series Self-Healing Low Voltage Shunt Power Capacitor for Power System 450V
Model Meaning
Product-related parameters of BSMJ 0.45-5-3 Series Self-Healing Shunt Power Capacitor
| Model | BSMJ 0.45-5-3 Series Self-Healing Shunt Power Capacitor |
| Ambient Temperature | -25℃~+50℃ |
| Relative Moisture | Not Exceed 85% |
| Altitude | Not Exceed 2000m |
| Rated Voltage | 450VAC |
| Rated Capacity | 1-100kvar |
| Capacity Tolerance | -5~+10% |
| Loss Angle Tangent Value | At rated power frequency voltage, tg δ≤0.1% at 20℃ |
| AC Withstand Voltage | 2.15 Times the rated voltage between poles for 10 seconds,and 3kV between poles for 10 seconds |
| Maximum Allowable Overvoltage | 1.1 Times Rated Voltage |
| Maximum Allowable Overcurrent | 1.30 Times Rated Current |
| Self Discharge Characteristics | Add √2 Un DC voltage to the capacitor, disconnect the power supply for 3 minutes, and the remaining voltage decreases by 75V or less |
| Compliant With Standards | GB12747-2017、IEC60831-2014 |
BSMJ BSMJ 0.45-5-3 Series Self-Healing Shunt Power Capacitor Product Introduction
The BSMJ 0.45-5-3 Series Self-Healing Low-Voltage Parallel Capacitors, manufactured by Baoyu Holdings Limited—a leading China 3 Phase Power Capacitor Supplier—deliver unmatched efficiency for 3 Phase Power systems, substations, and Power Factories. Designed with a Capacitor Working Voltage of 450V, these LV Capacitors utilize advanced self-healing metallized polypropylene film to minimize Capacitor Loss, ensure longevity, and automatically repair dielectric faults. Their robust Capacitor Design features flame-retardant casings, semi-solid impregnation to prevent leakage, and compliance with Series Capacitor in Power System standards (IEC 60831-1, GB/T 12747), making them ideal for reactive power compensation, voltage stabilization, and harmonic-rich environments. Precision Capacitor Production processes and cutting-edge Capacitor Elec technology guarantee reliability in Electric Capacitor applications, from motor systems to renewable energy grids. Optimized for energy efficiency and safety, these Power Capacitors reduce operational costs while meeting global certifications. Trust Baoyu Holdings’ expertise in low-voltage power capacitor solutions to elevate your grid performance and sustainability.
BSMJ 0.45-5-3 Series Self-Healing Shunt Power Capacitor Product Function
1. Enhanced Power Factor Correction & Energy Efficiency
The BSMJ 0.45-5-3 Series Self-Healing Low-Voltage Parallel Capacitors are engineered to optimize power factor correction in 3 Phase Power systems, significantly reducing reactive power losses and improving voltage stability. With a capacitor working voltage of 450V, these capacitors utilize advanced metallized polypropylene film technology to achieve a remarkably low capacitor loss (tanδ ≤ 0.1%), ensuring minimal energy dissipation and superior energy efficiency for power factories, industrial plants, and commercial grids. By integrating Series Capacitor in Power System configurations, they enhance grid performance, reduce transformer overload.
2. Robust Safety & Self-Healing Reliability
Designed for durability, the BSMJ series features an innovative capacitor design with self-healing properties, automatically repairing minor dielectric faults caused by voltage surges or harmonic interference. This ensures uninterrupted operation and extends the product lifespan, even in harsh environments. Built-in safety mechanisms include flame-retardant casings, discharge resistors (reducing residual voltage to <50V within 3 minutes), and explosion-proof pressure disconnectors to prevent catastrophic failures. The LV capacitor’s semi-solid eco-friendly impregnation eliminates oil leakage risks, aligning with environmental regulations and reducing maintenance costs
3. Versatile Applications & Industrial Compatibility
As a leading China 3 Phase Power Capacitor Supplier, Baoyu Holdings delivers these capacitors for diverse applications, including motor systems, renewable energy grids, and centralized compensation in substations. Their compact, lightweight capacitor production (1/4 the size of traditional models) simplifies installation in space-constrained environments, while △/Y-type connections support flexible integration into harmonic-rich networks. Ideal for electric capacitor banks and power capacitor arrays, the series mitigates harmonic distortions, supports voltage regulation, and adheres to capacitor elec standards for global compatibility
Product size information
| Model | Rated voltage(kv) | Rated capacity(kvar) | Total electrical capacity(μ F) | Rated current(A) | Boundary dimension LxW xH(mm) |
| BSMJ 0.45-5-3 Series | 0.45 | 5 | 79 | 6.4 | 170×60×105 |
Details Reveal Quality
Compact Design & Lightweight Construction: The BSMJ 0.45-5-3 Series leverages advanced metallized polypropylene film technology as its dielectric medium, enabling a revolutionary reduction in size and weight. With a compact volume of just 1/4 and a lightweight profile of only 1/5 compared to conventional oil-filled capacitors, this innovation optimizes space efficiency and simplifies installation in crowded industrial panels or substations. The ultra-thin metallized film not only enhances energy density but also contributes to the capacitor’s self-healing capabilities, ensuring durability and resistance to voltage stress. Ideal for modern 3 Phase Power systems and renewable energy applications, this LV Capacitor minimizes shipping costs, reduces structural load on mounting racks, and aligns with global trends toward modular, space-saving capacitor design. Its reduced footprint makes it a perfect fit for retrofitting legacy grids or integrating into high-density power capacitor banks
Eco-Friendly, Leak-Proof Design: The BSMJ 0.45-5-3 Series incorporates advanced semi-solid impregnation technology, utilizing a specialized dielectric agent with a melting point exceeding 70°C to guarantee zero oil leakage throughout its operational lifespan. Unlike traditional liquid-filled capacitors, this oil-free capacitor eliminates the risk of environmental contamination from fluid seepage, aligning with stringent global environmental regulations. The semi-solid compound remains stable even under high temperatures or voltage stress, ensuring consistent dielectric performance and preventing capacitor failure caused by oil evaporation or degradation. This innovation not only enhances reliability in harsh industrial environments—such as Power Factories and 3 Phase Power grids—but also reduces maintenance costs associated with cleanup or component replacement. Paired with flame-retardant casings and corrosion-resistant terminals, the LV Capacitor’s leak-proof design ensures long-term safety
Advanced Safety Mechanisms: The BSMJ 0.45-5-3 Series prioritizes operational safety with integrated built-in self-discharge resistors and a fail-safe safety device, engineered to mitigate risks in industrial power systems. The self-discharge resistor ensures rapid, automatic discharge of residual electrical energy stored in the capacitor, reducing voltage to a safe threshold (<50V within 3 minutes) after disconnection from the grid. This feature eliminates hazards during maintenance or unexpected shutdowns, protecting personnel and equipment. Additionally, the proprietary safety device acts as a critical safeguard: in the event of internal overvoltage, overheating, or dielectric failure, it instantly disconnects the capacitor from the power supply, preventing fault escalation, arc flashes, or catastrophic damage. Compliant with IEC 60831-1 safety standards, these capacitors also feature flame-retardant casings and explosion-proof pressure disconnectors to withstand harsh environments in Power Factories or harmonic-rich grids. By combining proactive discharge management with real-time fault isolation, Baoyu Holdings’ LV Capacitors deliver unmatched reliability, ensuring safe operation in high-demand applications like motor control panels, renewable energy systems, and 3 Phase Power compensation networks.
Usage scenarios
Urban construction Industry High-speed construction
Storage Workshop
Production workshop
Workshop Vedio
BaoYu Holdings Co., Ltd. - Your Trusted Partner in Smart Power Quality Solutions
BaoYu Holdings Co., Ltd. is a leading high-tech enterprise specializing in smart power quality management systems, dedicated to providing innovative solutions for reactive power compensation and harmonic filtering to global industrial and commercial clients. With over a decade of expertise, we integrate cutting-edge R&D capabilities, state-of-the-art manufacturing, and intelligent digital testing equipment to deliver energy-efficient, reliable, and intelligent products that optimize electrical systems worldwide.
Advanced Technology & Innovation
Our collaboration with top-tier institutions like Shanghai Jiao Tong University and Zhejiang University ensures continuous breakthroughs in active harmonic filters (APF), static var generators (SVG), and smart capacitors. These products address critical challenges such as voltage instability, harmonic distortion, and power loss, enhancing grid efficiency by up to 30%.
Comprehensive Product Portfolio
Smart Capacitors & Reactive Power Compensation Controllers: Auto-healing low-voltage shunt capacitors (BSMJ series) and intelligent controllers for dynamic load balancing.
Hybrid Solutions: Integrated systems including non-contact thyristor switches and capacitor contactors (CJ19 series) for seamless operation in harsh environments.
Customizable Systems: Tailored solutions for industries like renewable energy (solar/wind farms), marine engineering, and heavy industries (mining, metallurgy).
Global Reach & Quality Assurance
Our products are certified with international standards and trusted in over 15 countries, including the EU, Southeast Asia, and the Middle East. Rigorous testing and ISO-compliant production ensure durability in applications ranging from industrial plants to airport infrastructures.
Why Choose BaoYu?
Leveraging terms like "smart grid solutions", "power factor correction devices", "industrial harmonic filters", and "low-voltage capacitor banks", we align with global search trends to meet your specific needs.End-to-End Support: From design to after-sales service, our team ensures seamless integration and long-term system reliability.
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