December 2005
Cable Head Termination Vertical take off Type (As Per RDSO Specification No. ELRS/SPEC/BL/0003 (Rev.1) Approval in Pat-II Category
December 2005
T- Type Cable Head Termination system (As per CLW Specification No. CLW/ES/3//0251)Approval in Part II Category.
August 2006
Type Tests of Cable Head Termination Vertical take off type approved/clearance given by RDSO.
June 2007
RDSO letter to zonal Railway for surge arrestor Transformer Aux winding, Arno converter and LTBA to use Joslyn (MPS) make surge arrestor .
September 2007
Type Tests of T- type Cable Head Termination System approved/clearance given by RDSO
December 2007
Proposal to Introduce 42KV Polymer base Lightning Arrestor letter to CLW from RDSO
October 2008
Cable Head Termination Vertical take off Type (As Per RDSO Specification No. ELRS/SPEC/BL/0003 (Rev.1) Approval in Pat-I Category
February 2009
RDSO letter to Zonal Railway for performance of Secondary Surge Arrestor for Battery Charger (LTBA) and recommending to use MPS Make LTBA.
May 2009
Secondary Surge Arrestor for Battery Charger (LTBA) Prototype Final Inspection Certification received from CLW.
July 2009
42 KV Polymer based Lightning arrestor manufactured by M/S Maclean Power System USA was type tested at CPRI, Bangalore, for all the tests.witness by RDSO representative.
July 2009
High Voltage Bushing developed by EIPL and commissioned on WAG-9 locomotive No. 31064 at Electric Loco shed ,Central Railway Ajni on dated: 17.12.2008.
May 2010
3 Nos. of High voltage Bushings Installed at Central Railway,ELS Ajni.
June 2010
T-Type Cable Head Termination system (As per CLW Specification No. CLW/ES/3/0251) Approval in Part I Category.
June 2010
1st supply of 42 KV Polymer based Lightning arrestor 20 Nos. were supplied to Central railway Ajni.
May 2011
High Voltage Bushing Prototype Final Inspection Certification received from CLW (As per CLW Specification No. CLW/ES/3/052.
Year 2011
Multiple Unit Coupler (MUC) was developed and one such unit was installed at Ghaziabad Electric Loco shed and trial run was done successfully in presence of RDSO & CLW representatives.
November 2013
Approval of Drawing for High Voltage Bushing from CLW.
February 2015
High Voltage Bushing Part-II to Pat-I Category of CLW Approved Vendors list.
November 2018
Approval of drawing for 42KV Lightning Arrester drawing from CLW.
November 2019
Approval of Drawing for High Voltage Bushing (Modified Design) from CLW.
June 2020
Prototype Inspection of High Voltage Bushing (Modified Design) final clearance approved by CLW.