1975
Inception of S&S by Sethuraman & Shanthanakrishnan based in Chennai
1978
1.South Wales Switchgear Disconnectors 2.Porur Factory Commissioned 3.Started Commercial production of: Pantograph type and Switching Isolators for EHV Systems(66KV to 400KV)
1981
Vacuum Circuit Breaker was introduced for the first time in India in collaboration with Brush Switchgear
1984
MV SF6 manufacturing started in collaboration with Brush Switchgear
1986
Porcelain Clad Vacuum CB for 11kV & 33kV developed and introduced.
1989
Introduced Miniature Circuit Breaker in collaboration with AEG Germany
1990
Acquisition of S&S by the Jalan Group
1995
Setup a Joint Venture with top rank in Kolalampur in Malaysia for manufacturing Medium voltage Switchgear in TNB Malaysia
1996
Pondicherry state of the art Disconnector works established
1997
Acquisition of Acrastyle UK
1999
1.DEC 1999 Hived off LV and MCB Business to Schneider 2.Hived off LV and MV Fuse Business to Cooper Bussmann
2000
Company was referred to BIFR
2002
FEB 2002 S&S power share trading was suspended at BSE and NSE,JUN 2002 Porur factory was closed
2006
Exited Joint Venture in Kuala Lumpur Malaysia,SEP 2006 Company settled all outstanding with bank,creditors,employees & came out of BIFR,Set up AIPL
2009
Set up AEPS for Maglatch Manufacturing & Export
2011
Established JV with Coelme for Disconnector Product Promotion
2016
Shifted the headquarters of S&S Power to the sprawling 50,000 Sq. feet integrated multi modal facility in Maraimalai Nagar
2017
Exit from COELME joint venture
2018
Major plans of expansion of product range and geography
2019
1.Global Product Range RD1- 45G has been registered and approved by ENA (UK). 2.Company implemented SAP.
2020
Developed 40KA indoor VCB HHV PRIME to service contract from Maps
2021
S&S PSE Unit-II has been set up in Maraimalai Nagar, Chennai.
2022
S&S Power consolidates all disconnector operations in multimodal facility Maraimalai Nagar, Greater Chennai