Transformer 220VAC to 12-0-12V AC 10A Center-Tapped Round Core
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Prices updated: 14 Oct 2026
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About this product
A heavy-duty step-down transformer that converts 220 VAC mains to a 12-0-12 V AC output rated at 10 A, using a three-wire center tap. It is intended for rectifier circuits and low-voltage power projects. The primary side works at mains voltage, so install it in a suitable enclosure with fusing and proper insulation.
Specifications
- Input voltage
- 220 VAC
- Output voltage
- 12-0-12 V AC
- Rated current
- 10 A
- Center tap
- Yes (3-wire)
- Core
- Round core
- Type
- Step-down transformer
Frequently asked questions
How do I wire the center tap?
The center tap is the common (0 V) wire. Each outer wire gives 12 V AC relative to the center tap, and the two outer wires together give 24 V AC across them.
Can I get DC from it?
Yes, using a center-tapped full-wave rectifier (two diodes) or a bridge rectifier, followed by a filter capacitor. The DC output is higher than the AC RMS value because of the peak voltage, so choose diodes and capacitors rated above that peak.
