MA651/05 Transformer Post date October 27, 2015 METTECH » Products Page » Categories » Microscopes » Metallurgical » Upright » MA651/05 Transformer Transformer only, main voltage 110/115V, secondary voltage 6V 30W. Price: $0.00 Updating cart... ← FT190/12 Single Arm Light → MA651/100 Vertical Koehler Illuminator 115volt