1975
S&S Power was founded by N.S. Sethuraman & AR. Santhanakrishnan at Chennai
1978
Started manufacturing Disconnectors (in collaboration with South Wales Switchgear)
1981
Introduced Vacuum Circuit Breaker for the first time in India (in collaboration with Brush Switchgear)
1986
First to introduce and manufacture Porcelain Clad Vacuum CB for 11kV & 33kV in India
1990
S&S Power was acquired by the Jalan Group and the company started operating abroad
1996
Acquired Acrastyle Limited UK and established Pondicherry state of the art Disconnector works
2000
Received best exporter award
2006
Set up APIL — Manufacturing facility for protection & control panel
2011
Established JV with Coelme for Disconnector 2016 product promotion
2016
Shifted company headquarters to a sprawling 50,000 sq. ft integrated multi-modal facility in Chennai
2019
Registered global product range RD145G, which was approved by ENA (UK) with SAP B1 implementation
2024
Acquired Hamilton Research & Technology Private Limited (HART) and inaugurated new APIL office in Chennai
