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NO: E-29021|62167|2024|Electrical(HQ) Dhanbad, Date: 10/03/2025
DGMS APPROVAL NO.-520 of 2004(Renewal)
From
Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.
To
JOYDIP CHAKRABORTY, Electroteknica Engineering Pvt.ltd., ELECTROTEKNICA ENGINEERING PVT.LTD. 1/5B, RAJA BASANTA ROY ROAD, KOLKATA 700026
West Bengal, KOLKATA, KOLKATA, 700026
Subject: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof Vacuum Circuit Breaker, rated 3.3 KV, up to 440 A, model no. FCB manufactured by M/s. Electroteknica Engineering Pvt. Ltd., Kolkata for use in below ground Coal Mines in India_ Renewal Thereof.
Sir,
Please refer to your online application No. E-29021/62167/2024/Electrical (HQ) dated 19/12/2024, CIMFR test report No.IN/CIMFR/TR23/S/2031, dated 15/11/2023, Dt: 10.12.2020, the associated drawing nos. as detailed at para no.13 of the test report & BIS License No. CM/L- 5203645 and other documents submitted therewith in this regard.
I, in exercise of powers conferred upon the 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. 520 of 2004) granted vide this Directorate’s letter No. 306/579/EHQ dated 31.03.2015 for a further five years, i.e. up to 18.10.2029 for use in belowground Coal Mines.
In the interest of safety, the OEM guidelines shall be adhered to, and spares supplied by OEM shall only be used while maintaining the apparatus. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with. The test reports of all the electrical items covered under approval, conforming to the latest testing standards, shall be submitted within three months, if not before.
Please note that an application for renewal should be made at least three (03) months before the approval expires.
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