Capacitor Bank Switchgear
-- Steady & Reliable Manufacturer --
Product Overview
Capacitor Bank Switchgear, also known as Automatic Power Factor Correction (APFC) units, is the essential hardware for optimizing electrical efficiency and reducing utility penalties. At DSJ Electrical, our capacitor banks are designed to provide "Reactive Power Compensation," ensuring that your system's Power Factor remains close to unity (0.99). Our units feature high-quality, self-healing dry-type capacitors and specialized "Detuned Reactors" that protect the bank from harmful harmonics. Using an intelligent APFC controller, the switchgear automatically senses the load's reactive demand and switches capacitor steps in and out of the circuit via heavy-duty contactors or thyristor switches. This results in reduced "Apparent Power" (kVA) demand, lower electricity bills, and reduced heat in your cables and transformers. DSJ Capacitor Bank Switchgear is the "Green Efficiency" engine for any facility with high inductive loads like motors and HVAC systems.
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Low-Voltage Switchgear
CE Certified Main Distribution Board Construction Site Switchgear/Switchboard
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Medium-Voltage Switchgear
KYN28A-12 CE/UL Certified Metal Clad Switchgear Medium Voltage Switchgear/Switchboard
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Medium-Voltage Switchgear
KYN61-40.5 CE/UL Certified Metal Clad Switchgear Medium Voltage Switchgear/Switchboard
Electrical Partner
At DSJ, we transform complexity into reliability. With 42+ years of expertise in power distribution systems, our turnkey service integrates every phase – from regulatory compliance to final commissioning – ensuring seamless project execution for global clients. Whether it is the initial design or the final handover, we will strictly control every detail to ensure that the final delivered products perfectly meet your expectations. With us, you can focus on your core business with peace of mind, knowing that your project is in the hands of professional and reliable partners.
Introduction
The Capacitor Bank Switchgear line from DSJ Electrical Co., Ltd is engineered for "Energy Intelligence." We recognize that in a world of rising energy costs, "Efficiency is Profit." Our introduction of this series focuses on "Harmonic Resilience" and "Thermal Stability." We utilize capacitors with integrated "Overpressure Disconnectors," ensuring that even in a failure, the unit fails safely without damaging the panel.
Innovation at DSJ involves "Dynamic Step Control." Unlike traditional banks that use fixed steps, our intelligent controllers rotate the use of capacitor stages to ensure "Uniform Aging" and maximize the 15-year life of the bank. We prioritize "Safety and Cooling," using oversized internal fans and ventilated enclosures to manage the heat generated by the detuned reactors. Our manufacturing process involves "Capacitance Matching," where every stage is verified to provide the exact kVAr rating specified. At DSJ, we provide a complete "Power Quality Audit" service to help you size your bank correctly, ensuring that you eliminate utility penalties from day one. Choosing our APFC gear means choosing a sustainable, cost-saving infrastructure that pays for itself in months. We provide the "Invisible Balance" for your electrical grid.
Applications
- Industrial Factories: Correcting power factor for large motor loads.
- Commercial Buildings: Optimizing HVAC and elevator energy usage.
- Water Pumping Stations: Reducing kVA demand for large-scale pumps.
- Mining Operations: Compensating for heavy-duty crushing and hauling gear.
- Cold Storage: Improving efficiency for high-capacity refrigeration.
- Hospitals: Ensuring stable power quality for sensitive imaging equipment.
Specifications
| Technical Category | Capacitor Bank Spec |
|---|---|
| Voltage Range | 400V to 35kV |
| Rating | 50kVAr to 5000kVAr (Modular) |
| Switching Type | Contactors / Thyristor (Rapid) |
| Harmonic Filtering | 7% / 14% Detuned Reactors (Optional) |
| Capacitor Type | Dry-Type, Self-Healing, Non-Toxic |
| Controller | 8 / 12 / 16 Step APFC (Digital) |
| Enclosure | IP31 to IP54 (Ventilated) |
Why Choose Us
DSJ Electrical is a "Power Quality Expert." We don't just sell kVAr; we solve harmonic and efficiency problems. Our banks are engineered to survive the toughest industrial electrical environments, providing a "Fast-Payback" solution that significantly improves your facility's bottom line and environmental footprint.
- Q: What is a "Detuned Reactor"?
- A: It is an inductor that prevents the capacitor bank from attracting and being damaged by grid harmonics.
- Q: How fast does the ROI (Return on Investment) occur?
- A: Most industrial facilities see a full ROI in 6 to 18 months through reduced electricity bills.
Advantages
- Lower Electricity Bills: Eliminates reactive power penalties instantly.
- Increases Capacity: Frees up "kVA" capacity in your transformer.
- Extends Equipment Life: Reduces heat and voltage drops in your system.
- Modular Scalability: Add more kVAr steps as your facility grows.
- Harmonic Protection: Detuned reactors prevent resonance with the grid.
- Automatic Operation: Set-and-forget digital control system.
Standards & Certifications
Our capacitor banks are compliant with IEC 61921 (LV) and IEC 60871 (MV). We hold CE and ISO 9001 certifications. Every unit is tested for capacitance accuracy and insulation resistance at the rated operational voltage.
Payment & Shipping
Capacitor banks are shipped fully assembled with reactors and capacitors internally braced. We use moisture-proof packaging for dry-type capacitors. Lead times: 5-8 weeks.
DSJ Story
about DSJ
Building Power, Building Trust
Founded in 1983, DSJ is a leader in China's power distribution equipment. Headquartered in Beijing as the top-selling enterprise, we integrate manufacturing with trade and maintain full in-house capabilities in R&D, production, and sales. This enables efficient fulfillment of custom orders with industry-leading speed.
As a producer of distribution system, transformer, generator and photovoltaic products exceeding Chinese/international standards, DSJ supplies medium/low-voltage electrical equipment, and PV systems. For over four decades, we have delivered high-safety electrical solutions globally to public infrastructure, corporations, and households – achieving the industry's lowest return rate.
Committed to "meeting diverse needs through quality", DSJ leverages expert teams to provide one-stop services: pre-sales consultation & customization, flexible logistics/payment options, and reliable maintenance – ensuring seamless producer-maintainer-customer collaboration.
+86 18513032986 
FLC Center, Chaoyang District, Beijing, China