Sesha Engineering (Pty) Ltd is a South African electrical engineering company specialising in protection, control, testing, commissioning, maintenance, and fault investigation of medium- and high-voltage power systems.
With over a decade of industry experience, we provide technical services to mining, industrial, utility, and commercial clients across Southern Africa. Our expertise includes protection relay testing, transformer protection, line protection, differential protection schemes, circuit breaker testing, battery tripping units, substation automation, IEC 61850 systems, and commissioning of new electrical infrastructure.
Our team combines practical field experience with a strong engineering foundation, enabling us to deliver reliable, safe, and technically sound solutions that improve network reliability and operational performance.
At Sesha Engineering, we believe that quality workmanship, technical competence, and a commitment to safety are the cornerstones of successful engineering projects. Whether performing routine maintenance, conducting complex fault investigations, or delivering turnkey protection and control solutions, we are dedicated to helping our clients maintain safe, reliable, and efficient power systems.
Services Include:
• Protection Relay Testing & Commissioning
• Primary & Secondary Injection Testing
• Transformer Protection Systems
• Differential, Distance & Feeder Protection
• Circuit Breaker Testing & Analysis
• Battery Tripping Unit Maintenance & Testing
• Substation Automation & IEC 61850 Solutions
• Fault Investigation & Root Cause Analysis
• Preventative Maintenance Programs
• Engineering Consulting & Technical Training
Sesha Engineering – Protecting Power. Delivering Reliability.

SESHA ENGINEERING

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SESHA ENGINEERING

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