wall bushings serve as critical electrical components, facilitating connections between high-voltage cables and equipment such as transformers and circuit breakers. The structure generally consists of an inner cylinder, outer cylinder, insulating sleeve, support ring, and support bucket. Key advantages include superior strength, high resistance to breakdown, protection against pollution flashover, and excellent corrosion resistance.
The TG2A-24-175x255x310 24KV wall bushing Epoxy Resin Switchgear High Voltage Insulation is a premium high-voltage electrical component engineered for modern switchgear applications. Designed with durable epoxy resin, it provides outstanding electrical insulation, mechanical strength, and thermal stability. This product is widely used in industrial, utility, and energy sectors, providing safe and reliable performance under high-voltage conditions.
This guide presents a comprehensive overview of the storage conditions, operational procedures, user feedback, and maintenance strategies, ensuring the bushing maintains peak performance throughout its service life.
Rated Voltage: 24KV, suitable for medium- and high-voltage systems.
Material: High-strength epoxy resin, offering mechanical and thermal stability.
Dimensions: 175×255×310 mm, compatible with standard switchgear cabinets.
Dielectric Strength: 60/125 kV, ensuring electrical insulation and safety.
Operating Temperature: -40°C to +120°C, suitable for extreme environments.
Current Rating: Medium- and high-voltage, ensuring consistent energy transmission.
| Feature | Specification | Benefit |
|---|---|---|
| Electrical Insulation | Epoxy resin with high dielectric strength | Prevents current leakage and short circuits |
| Mechanical Strength | High-resistance epoxy body | Resists vibration, shock, and thermal expansion |
| Thermal Stability | Heat-resistant design | Maintains performance under high load |
| Installation Compatibility | Standardized dimensions | Simplifies installation and integration |
| Environmental Compliance | RoHS certified | Eco-friendly, reduces environmental impact |
| Longevity | Durable material | Minimizes replacement and maintenance costs |
| Operational Safety | Designed for high-voltage | Enhances system reliability and safety |
Proper storage is critical to maintain the performance and longevity of the TG2A-24 wall bushing.
Temperature: Store in a dry, temperature-controlled environment between -20°C and +40°C.
Humidity: Avoid excessive moisture; recommended relative humidity is below 60%.
Packaging: Keep original packaging until installation to prevent dust, contamination, or mechanical damage.
Positioning: Store vertically on a stable surface, avoiding stacking that may deform the epoxy resin.
Protection from Sunlight: Prevent prolonged exposure to UV light, which may affect material properties.
| Condition | Recommendation | Purpose |
|---|---|---|
| Temperature | -20°C to +40°C | Avoid thermal stress on epoxy |
| Humidity | <60% RH | Prevent moisture absorption |
| Packaging | Original packaging | Protect from dust and mechanical damage |
| Positioning | Vertical, stable | Avoid deformation or stress |
| Light Exposure | Away from direct sunlight | Maintain material integrity |
| Handling | Use lifting equipment | Prevent cracks or mechanical damage |
Pre-Installation Check: Inspect for cracks, surface defects, or contamination.
Alignment: Ensure the wall bushing aligns precisely with the switchgear opening.
Mounting: Secure using recommended torque settings to prevent epoxy cracking.
Electrical Connections: Connect busbars and conductors securely, avoiding loose contacts.
Initial Testing: Conduct dielectric and thermal tests before energizing.
Operational Monitoring: Monitor temperature and load during initial operation to detect abnormalities.
Ensure power is fully disconnected before installation or maintenance.
Avoid over-tightening mounting bolts to prevent epoxy fractures.
Maintain adequate ventilation to prevent heat accumulation.
Regularly inspect for dust, moisture, or contamination.
Do not exceed rated voltage or current parameters.
Proper maintenance ensures the longevity and reliability of the bushing.
Visual Inspection: Check monthly for surface cracks, discoloration, or dust accumulation.
Mechanical Check: Ensure mounting bolts are tight and conductors are correctly aligned.
Insulation Resistance Test: Semi-annual testing with a megohmmeter to detect degradation.
Thermal Monitoring: Annual checks using infrared sensors to ensure stable operation.
Address minor defects immediately to prevent failures.
Replace damaged bushings promptly to maintain system integrity.
Record all maintenance activities in a detailed log.
| Task | Frequency | Method |
|---|---|---|
| Visual Inspection | Monthly | Inspect surface, bolts, alignment |
| Insulation Test | Semi-annually | Use megohmmeter to measure resistance |
| Thermal Check | Annually | Infrared or thermal sensors |
| Cleaning | As needed | Soft brush, compressed air |
| Tightening | Quarterly | Verify torque on all bolts |
| Replacement | As necessary | Follow manufacturer guidelines |
Manufacturing Plants: Reliable under continuous 24KV operation.
Utility Providers: Durable epoxy withstands mechanical and thermal stress.
Renewable Energy Installations: Easy installation in high-voltage switchgear.
"The TG2A-24 bushing delivers excellent insulation and long-term stability, making it ideal for high-voltage systems in industrial applications." – Electrical Engineer
"Installation was straightforward, and the maintenance tips provided ensured the bushing operates reliably under heavy load conditions." – Switchgear Technician
| Issue | Possible Cause | Solution |
|---|---|---|
| Overheating | Excessive current or poor ventilation | Reduce load, improve airflow |
| Partial Discharge | Dust, moisture, or contamination | Clean, inspect, or replace bushing |
| Mechanical Damage | Impact or mishandling | Replace damaged component |
| Loose Connections | Inadequate torque | Retighten connections |
| Surface Discoloration | UV exposure or high temperature | Monitor, clean, replace if needed |
Coverage: 24 months from delivery; includes material defects and manufacturing issues.
Exclusions: Misuse, overload, improper installation, accidental damage.
Assistance with installation, operation, and troubleshooting.
Availability of replacement parts and repair guidance.
Dedicated support for inquiries, spare parts, and technical documentation.
Prompt response to service requests and maintenance questions.
| Support Type | Description | Availability |
|---|---|---|
| Warranty | Material or manufacturing defects | 24 months |
| Technical Assistance | Installation and troubleshooting | Continuous |
| Spare Parts | Replacement bushings or accessories | On-demand |
| Maintenance Guidance | Inspection and care advice | Continuous |
RoHS-certified epoxy ensures environmentally safe materials.
Durable design minimizes replacement frequency, reducing waste.
Eco-friendly manufacturing processes reduce environmental impact.
The TG2A-24-175x255x310 24KV Wall Bushing Epoxy Resin Switchgear High Voltage Insulation is a reliable, durable, and high-performance component for high-voltage switchgear systems. Its excellent insulation, mechanical strength, thermal stability, and user-friendly installation make it ideal for industrial and utility applications. Proper storage, routine maintenance, and adherence to operational guidelines ensure long-term safety and efficiency.
By integrating this bushing, industries can achieve enhanced electrical safety, reduced maintenance costs, and sustainable high-voltage operation.
Phone: +8613736779975
E-mail: sales@vcbbreaker.com
Address: 66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China
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