NO: E-29021|30472|2020|Electrical(HQ) Dhanbad, Date: 09.10.2020
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
Shri Debajit Sen – Director (Fianance)
M/s. Marathon Electric Motors (India) Ltd.,
1, Taratala Road, Kolkata – 700024.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof squirrel cage induction motor rated at 11 KW, 500 V, 3 phase, 50 Hz in frame size-KFZ 160L manufactured by M/s. Marathon Electric Motors (India) Limited, Kolkata conforming to IS/IEC 60079- 1:2007, IS/IEC 60079-0:2004 and IS/IEC 60034-5:2000 for use in belowground Coal Mines – Renewal thereof.
Please refer to your online application No. E-29021/30472/2020/Electrical (HQ) dated 07.03.2020 on the above subject and CIMFR test report no. CIMFR/TC/P/1302 dated 04.02.2014, BIS License No. CM/L- 0374445 and other documents submitted therewith in this regard.
I, in exercise of powers conferred upon Chief Inspector of Mines (also designated as Director General of Mines Safety) under Regulation 208(3) of the Coal Mines Regulations, 2017, hereby renew the approval (DGMS Approval No. 302 Gr-I of 1989) granted vide this Directorate's letter No. 60/89/1920/EHQ dated 26.12.1989 for a further period of five years, i.e. up to 09.02.2024 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters shall be strictly complied with.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.