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 TG3-12-110×180 12kV Epoxy Resin Through wall bushing is a high-performance electrical component designed to ensure safe and insulated conductor passage in medium and high-voltage switchgear systems. Its epoxy resin construction provides superior dielectric strength, thermal stability, and mechanical durability.
This comprehensive guide covers daily maintenance, product certification, product highlights, and troubleshooting, giving engineers, technicians, and procurement professionals detailed insights. The content is optimized for Google SEO and tailored for industrial websites and B2B platforms.
The TG3-12-110×180 Wall Bushing is engineered for reliable and safe electrical operations:
Rated Voltage: 12kV for medium voltage switchgear.
Material: High-strength epoxy resin for insulation.
Dimensions: 110×180 mm for standard through-wall installation.
Current Capacity: Supports nominal medium voltage currents.
Mechanical Strength: Resistant to vibration, impact, and thermal fluctuations.
Compliance: Conforms to IEC 62271, IEEE, and RoHS standards.
| Feature | Specification | Benefit |
|---|---|---|
| Rated Voltage | 12kV | Compatible with medium voltage switchgear systems |
| Material | Epoxy Resin | High dielectric strength and durability |
| Dimensions | 110×180 mm | Standard through-wall installation |
| Current Capacity | Nominal operational current | Reliable electrical performance |
| Insulation Level | 42/75 kV | Safe and effective insulation |
| Mechanical Strength | IEC 62271 compliant | Resists vibration and impact |
| Operating Temperature | -40°C to +120°C | Suitable for harsh environments |
| Mounting Type | Through-wall | Easy integration into switchgear panels |
| Weight | 6.5 kg | Lightweight and easy to handle |
| Environmental Compliance | RoHS | Eco-friendly and sustainable |
The TG3-12-110×180 bushing offers several advantages that make it ideal for industrial, commercial, and utility applications:
Superior Insulation: High-strength epoxy resin ensures excellent dielectric performance.
Compact Design: Optimized 110×180 mm dimensions for efficient wall installation.
Mechanical Durability: Resistant to thermal stress, vibration, and mechanical impacts.
Thermal Stability: Effective heat dissipation under continuous operation.
Ease of Maintenance: Simplified cleaning and inspection procedures.
Environmentally Friendly: RoHS-certified epoxy resin and recyclable components.
Versatile Applications: Suitable for switchgear, substations, and high-voltage distribution systems.
The TG3-12-110×180 Bushing is manufactured in compliance with international electrical standards:
IEC 62271-1 & 62271-200: Medium and high voltage switchgear standards for Safe Operation.
IEEE Standard 386: Ensures proper insulation and mechanical reliability.
RoHS Compliance: Free from hazardous substances, ensuring environmental safety.
ISO 9001 Quality Certification: Guarantees consistent manufacturing quality.
| Certification | Purpose | Benefit |
|---|---|---|
| IEC 62271 | Medium & High Voltage safety | Ensures reliable electrical insulation |
| IEEE 386 | High voltage component performance | Standardized testing for insulation and durability |
| RoHS | Environmental compliance | Safe for use and recyclable |
| ISO 9001 | Manufacturing quality | High-quality production control and consistency |
Proper maintenance extends the operational life of the bushing and ensures safe performance.
Check for cracks, discoloration, or surface damage.
Inspect mounting bolts and connections for looseness.
Verify no foreign objects or debris around the bushing.
Use a soft brush or compressed air to remove dust.
Avoid water, solvents, or abrasive cleaning materials.
Conduct cleaning with power off to ensure safety.
Perform insulation resistance testing with a megohmmeter.
Monitor for temperature rise under normal operation.
Listen for unusual noises indicating mechanical or electrical issues.
| Maintenance Task | Frequency | Notes |
|---|---|---|
| Visual Inspection | Monthly | Detect cracks or discoloration |
| Terminal Torque Check | Quarterly | Ensure proper electrical connections |
| Insulation Resistance Test | Semi-Annually | Verify dielectric integrity |
| Thermal Monitoring | Annually | Confirm temperature rise within limits |
| Full System Inspection | Annually | Comprehensive check for electrical and mechanical performance |
Performance testing ensures long-term reliability under operational conditions:
| Test Type | Method | Acceptance Criteria |
|---|---|---|
| Dielectric Test | AC withstand | 42/75 kV, no breakdown |
| Partial Discharge | Measurement under rated voltage | ≤5 pC |
| Thermal Test | Continuous current operation | Temperature ≤120°C |
| Mechanical Shock | IEC vibration simulation | No cracks or deformation |
| Short-Circuit Withstand | Temporary fault simulation | 20 kA for 1s |
| Terminal Tightening | Torque measurement | 120–150 N·m |
| Insulation Resistance | Megohmmeter | ≥100 MΩ |
| Environmental Stress | Humidity & temperature cycles | No leakage or cracks |
| Energy Loss | Measurement under load | ≤0.5% |
| Operational Life | Accelerated aging | ≥20 years |
| Problem | Possible Cause | Solution |
|---|---|---|
| Overheating | Excessive current or poor ventilation | Reduce load, improve airflow |
| Partial Discharge | Contamination or damaged insulation | Clean surface, replace bushing if needed |
| Sparking | Loose terminal connections | Tighten terminals and inspect contacts |
| Mechanical Damage | Impact during installation | Replace damaged bushing |
| Corrosion | Moisture ingress | Apply protective coatings, maintain dry environment |
| Noise | Loose connection or vibration | Secure terminals, check mounting |
Tips for Preventive Maintenance:
Conduct regular visual inspections and insulation tests.
Keep installation area dust-free and dry.
Ensure system load does not exceed nominal current rating.
Proper installation ensures optimal performance and safety:
Inspect the bushing for physical damage.
Confirm switchgear system is de-energized.
Gather required tools and PPE: insulated gloves, torque wrench, screwdrivers, goggles.
Positioning: Align the bushing with wall opening.
Mounting: Secure with bolts according to manufacturer specifications.
Connection: Attach conductors with recommended torque.
Insulation Test: Verify dielectric performance before energizing.
System Energization: Monitor temperature, noise, and vibration during initial operation.
Avoid overtightening bolts to prevent epoxy damage.
Maintain adequate ventilation for heat dissipation.
Ensure nominal load compliance to prevent overheating.
Used in switchgear panels to ensure insulated and reliable power distribution.
Enables high-voltage conductors to safely pass through walls while maintaining insulation integrity.
Applied in wind and solar farms for medium voltage interconnections.
Supports safe electrical distribution in large-scale commercial and data center environments.
Industrial Facilities: Noted minimal downtime and stable operation under continuous load.
Utility Companies: Highlight high mechanical strength and reliable insulation.
Renewable Energy Projects: Emphasize compact design, thermal stability, and long service life.
Sample Testimonial:
"The TG3-12-110×180 Epoxy Resin Wall Bushing has proven reliable for our medium voltage installations. Its insulation and mechanical durability ensure safe operation in all conditions." – Senior Electrical Engineer, Utility Provider
The TG3-12-110×180 bushing meets global environmental standards:
RoHS Certified: Free from hazardous substances.
Sustainable Materials: High-quality epoxy resin.
Low Emissions: Environmentally friendly manufacturing process.
Recyclable Components: Designed for end-of-life recycling.
The TG3-12-110×180 12kV Epoxy Resin Through Wall Bushing is a durable, reliable, and environmentally compliant solution for medium and high-voltage switchgear systems. With proper installation, routine maintenance, and adherence to technical standards, it ensures:
Safe and efficient conductor passage
High dielectric performance
Mechanical and thermal reliability
Compliance with international safety and environmental standards
Long-term operational stability
Ideal for industrial, utility, renewable energy, and commercial applications, this bushing delivers safety, efficiency, and sustainability in high-voltage electrical systems.
Phone: +8613736779975
E-mail: sales@vcbbreaker.com
Address: 66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China
Copyright © 2025 Yangmei Electric Group All rights reserved
This website uses cookies to ensure you get the best experience on our website.
Español
Portugues
Pусский
العربية
Türk dili
Indonesia
Tiếng Việt
қазақ
فارسی
українська
беларускі
Filipino
o'zbek
български
тоҷикӣ
kiswahili
Монгол
አማራ
Ilocano
Phone