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BSI BS 6182-1:1994

Intriniscally safe power supplies for use in coal mines -- Specification for d.c. power supplies
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BSI BS 6182-1:1994

Intriniscally safe power supplies for use in coal mines -- Specification for d.c. power supplies

PUBLISH DATE 1994
PAGES 12
BSI BS 6182-1:1994

This Part of BS 6182 specifies requirements for the construction and testing of a range of power supply units intended to be certified intrinsically safe for use in coal mines and which provide an intrinsically safe d.c. output as follows:

  1. an 18 DC type power supply provides a nominal 18 V output that may be used, for example, to float charge an intrinsically safe battery with a nominal discharge end-point voltage of 12 V;
  2. a 12 DC type power supply provides a nominal 12 V output for use where battery standby is not required, or to float charge an intrinsically safe battery with a nominal discharge end-point voltage of 7.5 V;
  3. a 7.5 DC type power supply provides a nominal 7.5 V output that may be used, for example, with equipment using logic circuits requiring 5 V for operation.

It is intended that the components forming the power supply circuit be assembled on to a chassis that may be incorporated within either a flameproof enclosure or, where the power supply is located outside a potentially explosive atmosphere, within some other suitable enclosure. Requirements for these enclosures are not given in this standard. Guidance on interconnection with other apparatus is given in Annex A.

In addition to the definitive requirements, this standard also requires the information detailed in clause 4 to be documented. For compliance with this standard, both the definitive requirements and the documented item has to be satisfied.

Specifies construction and testing of mains-input intrinsically safe 18 V, 12 V and 7.5 V d.c. output power supplies.
SDO BSI: British Standards Institution
Document Number 6182-1
Publication Date March 15, 1994
Language en - English
Page Count
Revision Level
Supercedes
Committee W/-
Publish Date Document Id Type View
March 15, 1994 BS 6182-1:1994 Revision
July 31, 1989 BS 6182-1:1982 Revision