New Transformer Supply
We supply a complete range of brand-new transformers and mini-substations from 16kVA up to 10MVA. Suitable for industrial plants, commercial buildings, municipalities and infrastructure projects. If you are unsure which transformer type suits your requirements, our technical team will advise at no charge.
- 16kVA to 10MVA transformer range
- Mini-substations and distribution transformers
- Power transformers for heavy industry
- Dry-type and oil-immersed units available
- Custom specifications and voltage ratios
- Delivery across Gauteng and nationally
Transformer Refurbishment & Spares
Extend the working life of your existing transformers with our comprehensive refurbishment service. We strip, inspect, repair and re-test transformers to OEM specifications — providing a highly cost-effective alternative to full replacement. Genuine spares and components are also available.
- Full transformer overhaul and core rewinding
- Insulation paper and board replacement
- Bushing replacement and tap-changer overhaul
- Oil filtration, degassing and replacement
- Full electrical and dielectric testing
- Genuine OEM spares supply
- Collection and delivery service available
Transformer Oil Supply & Services
High-quality transformer insulating oil is essential for both insulation and thermal performance. We supply new transformer oil in all grades and quantities, and offer oil filtration and regeneration services to restore degraded oil to original specification.
- New insulating mineral oil supply — all grades
- Oil filtration, degassing and drying
- Dissolved gas analysis (DGA) testing
- Oil quality and breakdown voltage testing
- Oil regeneration and reconditioning
- Bulk and small-quantity supply available
Solar Energy Solutions
With South Africa's energy reliability challenges, solar power is a critical part of any resilient energy strategy. AfriTech provides solar energy solutions for commercial and industrial clients — including grid-tied, off-grid and hybrid systems — seamlessly integrated with the correct transformer and LV switchgear equipment.
- Commercial and industrial solar PV system design
- Grid-tied, off-grid and hybrid solutions
- Solar PV and transformer integration
- Battery energy storage systems (BESS)
- Load-shedding backup and UPS solutions
- System monitoring and remote diagnostics
- Installation, commissioning and maintenance
Electrification Projects
Our electrification division handles complete electrical infrastructure projects from design through to installation and commissioning. We work with municipalities, property developers and industrial clients to deliver reliable, compliant power infrastructure on schedule.
- Residential and township electrification
- Industrial and commercial power reticulation
- Substation design and construction
- Overhead line and underground cable installation
- LV distribution board installation
- Compliance certificates and statutory sign-off
- Project management and site supervision
HV/LV Cable Installation
AfriTech's skilled electrical teams carry out high-voltage and low-voltage cable installation projects with full attention to safety, compliance and workmanship quality. We work to South African electrical installation standards (SANS 10142) on all projects.
- Underground HV cable trenching and laying
- HV and LV cable jointing and termination
- Overhead line construction and stringing
- Cable routing, containment and labelling
- Fault finding and cable repair
- SANS 10142 compliant installations
Construction & Civil Works
In addition to our electrical capabilities, AfriTech undertakes associated civil and construction works required for electrical infrastructure projects. This includes substation civils, concrete pad foundations, cable trenching, fencing and building works.
- Substation civils and concrete transformer pads
- Cable trench excavation and backfill
- Security fencing and gates for substations
- Control room and switching room construction
- Site clearing, levelling and preparation
- Borehole civils and pump station structures
Transformer Testing & Preventive Maintenance
Preventive maintenance is the most cost-effective way to protect your transformer investment. AfriTech provides routine maintenance programmes, emergency inspection services and full electrical testing — identifying problems before they cause costly failures or outages.
- Routine transformer maintenance contracts
- Infrared (thermographic) scanning
- Power factor and insulation resistance testing
- Turns ratio and winding resistance testing
- Buchholz relay and protection testing
- Emergency breakdown response