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Home > Products > Switchgear Fittings > Insulation Accessories > Wall Bushing > TG5-12-152X152 12KV Epoxy Resin Wall Bushing for High Voltage Electrical Cabinets

TG5-12-152X152 12KV Epoxy Resin Wall Bushing for High Voltage Electrical Cabinets

    TG5-12-152X152 12KV Epoxy Resin Wall Bushing for High Voltage Electrical Cabinets

    The TG5-12-152X152 12KV Epoxy Resin Wall Bushing ensures safe and reliable insulation for high voltage electrical cabinets. Constructed with durable epoxy resin, it delivers superior dielectric performance, mechanical strength, and thermal stability. Ideal for medium and high-voltage applications, this bushing enhances operational safety, efficiency, and long-term reliability in electrical systems.
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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.

Drawing


Epoxy Resin Wall Bushing


ARound 110881081287068
B
1818183018


The TG5-12-152X152 12KV Epoxy Resin wall bushing for High Voltage Electrical Cabinets is a high-performance insulating component designed for safe and efficient conductor passage in medium and high-voltage electrical systems. Constructed from durable epoxy resin, this wall bushing ensures exceptional dielectric performance, mechanical strength, and thermal stability, making it ideal for modern electrical cabinets in industrial, utility, and renewable energy applications.


This comprehensive guide provides detailed information about the installation process, maintenance methods, product parameters, and technical indicators, offering engineers, technicians, and procurement specialists essential insights for optimal use.


Product Overview

The TG5-12-152X152 wall bushing is engineered for reliable medium-voltage insulation:

  • Rated Voltage: 12KV

  • Material: High-strength epoxy resin

  • Dimensions: 152×152 mm

  • Current Capacity: Supports nominal operational currents for high-voltage cabinets

  • Mechanical Durability: Resistant to vibration, thermal stress, and impact

  • Compliance: Meets IEC 62271, IEEE, and RoHS standards

FeatureSpecificationBenefit
Rated Voltage12KVCompatible with medium-voltage electrical cabinets
MaterialEpoxy ResinSuperior dielectric strength and durability
Dimensions152×152 mmStandardized wall bushing installation
Current CapacityNominal busbar currentReliable power transmission
Insulation Level42/75 kVHigh-voltage protection and safety
Mechanical StrengthIEC 62271 compliantResistant to vibration and impacts
Operating Temperature-40°C to +120°CReliable in extreme conditions
Mounting TypeThrough-wallSimple and secure installation
Weight8.5 kgLightweight for ease of handling
Environmental ComplianceRoHSEco-friendly, sustainable manufacturing

Design Philosophy

The TG5-12-152X152 wall bushing is designed to achieve maximum insulation, durability, and safety for electrical cabinets.

Key Design Principles

  1. Epoxy Resin Construction: Ensures high dielectric performance and mechanical stability.

  2. Thermal Stability: Maintains shape and performance under continuous load and high temperature.

  3. Compact Form Factor: 152×152 mm dimensions allow efficient integration into electrical cabinets.

  4. Mechanical Strength: Resistant to vibration, impact, and thermal cycling.

  5. Environmental Compliance: Materials and production adhere to RoHS and other eco-friendly standards.


Product Advantages

1. Superior Electrical Insulation

  • High-strength epoxy resin provides excellent dielectric properties, reducing the risk of short circuits.

  • Ensures reliable insulation in medium and high-voltage operations.

2. Mechanical Reliability

  • Resistant to vibration, impact, and thermal expansion.

  • Extends service life and reduces maintenance frequency.

3. Thermal Performance

  • Effective heat dissipation under operational current loads.

  • Supports continuous operation in high-temperature environments.

4. Environmental Sustainability

  • RoHS certified, free from harmful substances.

  • Epoxy resin construction ensures long-term, eco-friendly performance.


Product Highlights

HighlightDescriptionBenefit
Dielectric Strength42/75 kVSafe high-voltage insulation
Compact Dimensions152×152 mmEasy integration into cabinets
Thermal Stability-40°C to +120°CReliable under extreme temperatures
Mechanical DurabilityIEC compliantResistant to vibration and mechanical stress
Material QualityEpoxy resinLong lifespan and high performance
Environmental FriendlyRoHS certifiedSustainable and safe
Versatile ApplicationsIndustrial, utility, renewable energyWide operational applicability
Maintenance FriendlySimple inspectionReduces operational downtime

Technical Indicators

The TG5-12-152X152 wall bushing incorporates advanced technical features for high performance and reliability.

Technical FeatureSpecificationAdvantage
Dielectric Withstand42/75 kVEnsures insulation safety
Partial Discharge≤5 pCReduces risk of insulation failure
Operating Temperature-40°C to +120°CSuitable for harsh conditions
Mechanical ShockIEC vibration testResists cracks and deformation
Load CurrentNominal cabinet currentReliable current conduction
Environmental ComplianceRoHSSustainable and safe
Thermal Aging≥20 yearsLong service life
MaterialEpoxy resinHigh insulation and durability
Installation TypeThrough-wallSimple mounting process
Corrosion ResistanceHighSuitable for humid or industrial environments

Installation Guide

Pre-Installation Preparation

  • Ensure bushing is free of cracks and defects.

  • Turn off all power supplies to the cabinet.

  • Prepare tools and personal protective equipment (PPE).


Epoxy Resin Wall Bushing


Installation Steps

  1. Position the Bushing: Align with wall opening of the cabinet.

  2. Secure Mounting: Use bolts and washers according to manufacturer torque specifications.

  3. Connect Busbars: Tighten conductors for reliable electrical contact.

  4. Verify Insulation: Conduct dielectric tests before energization.

  5. Energize System: Monitor temperature and operational performance during initial use.

Best Practices

  • Avoid over-tightening bolts to prevent epoxy resin damage.

  • Maintain proper ventilation around the bushing.

  • Ensure current load does not exceed rated capacity.


Maintenance Methods

Routine Inspection

  • Check for cracks, discoloration, or surface damage.

  • Verify mounting bolts and conductor connections for tightness.

Cleaning

  • Use a soft brush or compressed air to remove dust.

  • Avoid harsh chemicals or abrasive materials.

Functional Testing

  • Measure insulation resistance with a megohmmeter.

  • Monitor temperature rise during operational load.

  • Check for unusual operational noises.

Maintenance TaskFrequencyNotes
Visual InspectionMonthlyDetect early signs of damage
Terminal Torque CheckQuarterlyEnsure secure electrical contact
Insulation Resistance TestSemi-AnnuallyMaintain dielectric integrity
Thermal MonitoringAnnuallyConfirm acceptable temperature rise
Comprehensive System CheckAnnuallyFull inspection of mechanical and electrical performance

Troubleshooting & Common Issues

ProblemCauseSolution
OverheatingExcessive loadReduce load, improve airflow
Partial DischargeSurface contaminationClean or replace bushing
Mechanical DamageImpact or vibrationReplace bushing
SparkingLoose connectionsTighten terminals
NoiseVibrationSecure mounting, inspect conductors
CorrosionMoisture ingressApply protective coatings, maintain dry environment

User Feedback

  • Industrial Plants: Report reliable performance under continuous high-voltage operation.

  • Utility Companies: Appreciate mechanical and thermal durability.

  • Renewable Energy Projects: Highlight compact design and ease of installation.

Testimonial:
"TG5-12-152X152 wall bushing offers superior insulation and reliability, ensuring Safe Operation in our high-voltage cabinets." – Electrical Engineer, Power Utility


Environmental Compliance

  • RoHS Certified: Free from hazardous substances.

  • Eco-Friendly Materials: Durable epoxy resin for long-term use.

  • Recyclable Components: Designed for environmentally responsible disposal.

  • Low Emission Manufacturing: Produced with sustainable processes.



The TG5-12-152X152 12KV Epoxy Resin Wall Bushing for High Voltage Electrical Cabinets is a reliable, safe, and environmentally compliant solution for medium and high-voltage electrical systems.

  • High dielectric strength and mechanical durability

  • Thermal stability for continuous operation

  • Simplified installation and maintenance

  • Wide applicability across industrial, utility, and renewable energy sectors

  • Environmentally friendly materials and production

This bushing ensures efficient, safe, and long-lasting electrical cabinet performance, making it essential for modern high-voltage installations.


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