50kVA to 180MVA | Up to 275kV
LH Marthinusen (LHM) supplies high-performance power and distribution transformers designed for reliable operation across industrial, mining, renewable energy and utility applications.
Our transformer range spans 50kVA to 180MVA, with voltage ratings from 220V up to 275kV, supporting both medium and high-voltage power distribution networks.
Engineered for durability, efficiency and long service life, our transformers are built to meet demanding operational environments across South Africa and beyond.
Transformer Capabilities & Ratings
Our solutions are tailored to site-specific conditions, ensuring safe and efficient power transmission and distribution.
Cooling & Insulation Systems
We offer a wide range of cooling and insulation technologies to enhance transformer performance and lifespan:
These systems support improved thermal management, reduced risk, and extended asset life.
Winding & Core Design
Our transformers are manufactured using advanced winding configurations and high-efficiency core materials to ensure optimal electrical performance:
This enables precise voltage regulation and improved energy efficiency.
Protection, Monitoring & Safety Systems
To support operational reliability and asset protection, we provide integrated protection and monitoring solutions:
These features help reduce downtime, enhance safety, and improve long-term transformer performance.
Applications
LHM power and distribution transformers are suited for:
