DIN EN 54-4/A2:2007-01 Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997/A2:2006 / Note: To be replaced by DIN EN 54-4 (2015-11).
2015DIN EN 54-4:2015 Fire detection and fire alarm systems - Part 4: Power supply equipment; German and English version prEN 54-4:2015
2007DIN EN 54-4/A2:2007-01 Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997/A2:2006 / Note: To be replaced by DIN EN 54-4 (2015-11).
2003DIN EN 54-4/A1:2003-03 Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A1; German version EN 54-4:1997/A1:2002 / Note: To be replaced by DIN EN 54-4 (2015-11).
2003DIN EN 54-4/A1:2003 Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A1; German version EN 54-4:1997/A1:2002
1997DIN EN 54-4:1997-12 Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997 / Note: To be replaced by DIN EN 54-4 (2015-11).*To be amended by DIN EN 54-4/A2 (2003-08).
1997DIN EN 54-4:1997 Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997