Description

The MR VV III 400d-40-12120 Tap Changer (without shielding ring) is an on-load tap changer (OLTC) manufactured by Maschinenfabrik Reinhausen in Germany. It is a vacuum-type OLTC designed to change transformer tap positions under load to regulate output voltage, rated for 400 V motor supply, 40 W drive, 12 positions, and 120 kV insulation class. The absence of a shielding ring indicates a specific voltage application variant.