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33KV VCB Gas Insulated Switchgear Panel for Indoor Substation Installation
Product Spotlights
Compact 33KV indoor switchgear panel combining vacuum circuit breaker reliability with safe gas insulation. Reduces substation footprint, minimizes maintenance via sealed VCB, and enhances personnel safety. Customizable current ratings and control options for global utility and industrial projects. Manufactured with quality focus for long-term, cost-effective power distribution protection.
US$ 1200 - 2400
MOQ: 10 Units
Key Specifications
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Application:
Other, Power Distribution & Protection
Rated Voltage:
33KV
Insulation Type:
Gas Insulated
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Power Distribution & Protection
Rated Voltage
33KV
Insulation Type
Gas Insulated
Circuit Breaker Type
Vacuum Circuit Breaker (VCB)
Installation Environment
Indoor Substation
Configuration
Panel/Unit Design
Standards Compliance
Customizable to IEC/ANSI Standards
Optional Features
Remote Monitoring & Control Available
As a specialized manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. provides reliable and efficient solutions for modern power infrastructure. Our 33KV VCB Gas Insulated Switchgear Panel for Indoor Substation Installation is engineered to deliver superior performance, safety, and longevity in demanding electrical distribution environments. Designed for indoor applications, this panel integrates advanced vacuum circuit breaker technology within a gas-insulated enclosure, offering a compact, maintenance-friendly, and highly secure option for utility companies, industrial facilities, and commercial power systems seeking to upgrade or expand their substation capabilities.
The core value of this product lies in its ability to provide robust circuit protection and switching functions at the 33KV level while minimizing space requirements and operational risks associated with traditional air-insulated switchgear. By utilizing vacuum interruption and gas insulation, the panel ensures rapid fault clearance, excellent dielectric strength, and enhanced personnel safety. Our manufacturing expertise, backed by a commitment to quality management systems, ensures that each unit meets stringent performance criteria and is tailored to support the specific needs of our global clients across diverse markets.
Key Product Features & Technical Advantages:
- Advanced Vacuum Circuit Breaker (VCB) Core: The heart of the panel is a high-performance 33KV vacuum circuit breaker. Vacuum interrupters offer exceptional arc-quenching capabilities, resulting in fast and reliable fault current interruption. This technology eliminates the need for regular maintenance of interrupting media (compared to oil or SF6), reduces environmental concerns, and provides a long service life with minimal degradation.
- Gas Insulated Enclosure Design: The switchgear components are housed within a sealed, gas-insulated (typically using dry air, nitrogen, or other inert gas mixtures) metal enclosure. This design provides a uniform and controlled insulation environment, shielding live parts from external contaminants, humidity, and dust. It significantly enhances safety by preventing accidental contact and reduces the required clearance distances, allowing for a more compact panel footprint ideal for indoor substations.
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Optimized for Indoor Installation: Specifically designed for indoor substation environments, the panel considers factors like limited space, controlled ambient temperature, and accessibility. Its construction often includes features such as:
• Compact dimensions to fit into existing or new substation buildings.
• Integrated earthing and safety interlocks.
• Facilitated cable connection ports.
• Optional climate control considerations for the enclosure. -
Enhanced Safety & Operational Reliability: The combination of VCB technology and gas insulation creates a system with high dielectric strength and excellent performance under transient overvoltages. Safety features typically include:
• Pressure relief devices for the gas compartment.
• Visual pressure indicators.
• Mechanical interlocks to prevent incorrect operation.
• Secure grounding mechanisms. -
Flexible Configuration & Control Options: The panel can be configured as a standalone unit or integrated into a larger switchgear lineup. Control and monitoring options are versatile:
• Local manual control via a front-facing interface.
• Provisions for remote electrical operation (motorized charging).
• Capability to integrate with SCADA systems for remote monitoring and control (available upon request).
• Auxiliary relay contacts for protection and signaling. - Robust Construction & Quality Materials: Manufactured using high-grade steel for the enclosure and precision-engineered components for the breaker mechanism and busbars, the panel ensures mechanical durability and electrical integrity. All conductive parts are designed to minimize losses and handle the rated current continuously.
Technical Specifications Overview:
| Parameter | Typical Specification / Range |
| Rated Voltage | 33 KV |
| Rated Normal Current | 630A, 1250A, 2000A (Customizable) |
| Rated Short Circuit Breaking Current | 25 kA, 31.5 kA (Customizable) |
| Insulation Medium | Gas (Dry Air/Nitrogen mixture typical) |
| Circuit Breaker Type | Vacuum Circuit Breaker (VCB) |
| Operating Mechanism | Spring Store / Motorized Charging (Optional) |
| Installation Type | Fixed or Withdrawable (Design dependent) |
| Standards Compliance | Design can conform to IEC 62271-100, ANSI C37.04, or other regional standards |
Benefits to Our Clients:
- Space Efficiency: The gas-insulated design allows for a significantly reduced footprint compared to air-insulated switchgear, maximizing valuable indoor substation space.
- Reduced Maintenance Costs: Vacuum interrupters are sealed for life and do not require periodic replacement of the interrupting medium. The gas-insulated enclosure protects internal components from environmental factors, lowering routine maintenance needs.
- Improved Safety for Personnel & Assets: The sealed enclosure prevents direct access to live parts during normal operation, greatly reducing the risk of electrical accidents. The reliable VCB ensures quick isolation of faults, protecting downstream equipment.
- High Reliability & System Stability: Proven VCB technology offers consistent performance over thousands of operations. The controlled gas environment maintains stable insulation properties, contributing to overall network reliability.
- Adaptability to Project Requirements: As a manufacturer, we can customize certain parameters (current ratings, control schemes, dimensions) to align with your specific project specifications and grid requirements.
- Long-Term Operational Savings: Lower maintenance, higher reliability, and reduced space needs translate into lower total lifecycle costs for the substation owner.
Frequently Asked Questions (FAQ):
-
What is the primary advantage of using a Gas Insulated Switchgear (GIS) panel over an Air Insulated one for indoor applications?
GIS panels enclose all live parts in a sealed, gas-filled compartment. This offers superior protection against environmental contaminants (dust, moisture), allows for much more compact dimensions due to reduced air clearance requirements, and enhances personnel safety by preventing accidental contact. For indoor substations where space is often limited and a clean environment is desirable, GIS provides significant benefits. -
Why is a Vacuum Circuit Breaker (VCB) preferred in this design?
VCBs use a vacuum as the arc-quenching and insulating medium within the interrupter. They offer fast and reliable interruption, require no maintenance of the medium (compared to oil or SF6), have a long service life, and are environmentally friendly. They are a robust and modern choice for medium-high voltage applications like 33KV. -
What type of gas is used for insulation in this panel?
Typically, dry air or nitrogen mixtures are used. These are inert, non-toxic, and non-flammable gases that provide excellent dielectric properties. The specific gas type and pressure are designed to meet the required insulation level for 33KV systems. -
Can this panel be integrated with existing substation automation or SCADA systems?
Yes. The panel can be equipped with optional features for remote operation and monitoring. It can provide signals for breaker status, alarm conditions, and can be configured for electrical motor operation, making integration with SCADA or other automation systems feasible. -
What are the typical delivery and installation considerations for this product?
As a complete panel unit, it is delivered pre-assembled and tested. Installation involves positioning the panel on a prepared foundation, connecting power cables, control cables, and grounding. Proper indoor space with adequate ventilation (for heat dissipation) and access for maintenance should be planned. Detailed installation guidelines are provided. -
How does the manufacturer ensure the quality and reliability of the switchgear?
Jinhua Dika Electrical Equipment Co., Ltd. operates under a framework of quality management systems. Each panel undergoes factory tests including mechanical operation checks, insulation resistance tests, and functional tests of the breaker. Key components like the VCB are sourced from reputable suppliers and validated. -
Are customizations available for different current ratings or special control requirements?
Yes. As a manufacturer, we can customize certain aspects of the design. Parameters like rated normal current, short-circuit breaking current, control voltage, and specific interlock requirements can be adapted to match your project specifications. Please discuss your needs during inquiry. -
What is the expected service life and maintenance schedule for this panel?
The VCB mechanism is designed for thousands of operations without major maintenance. The gas-insulated enclosure is sealed and requires only periodic inspection of pressure indicators and external mechanisms. Routine maintenance mainly involves checking mechanical operations, cleaning external surfaces, and verifying auxiliary circuits. A typical service life can exceed 20+ years with proper care.
Jinhua Dika Electrical Equipment Co., Ltd. brings substantial manufacturing experience and a global trade footprint to the supply of this critical power equipment. With an annual export value reflecting our international reach, and a workforce dedicated to precision engineering, we understand the requirements of diverse markets from North America to Southeast Asia, Africa, and Europe. Our product is designed to meet the rigorous demands of modern power distribution, providing a safe, efficient, and durable solution for your indoor substation. We invite utility managers, project engineers, and industrial facility planners to contact us for detailed specifications, customization options, and competitive quotations. Let us help you secure your power network with reliable 33KV VCB Gas Insulated Switchgear.
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1Yr
Business Type
Manufacturer
Annual Export Value
US$1 Million - US$1.5 Million
Total Employees
11 - 50 People
Product Certifications
HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, Others
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