Variable transformer assemblies consist of a variac and a transformer integrated together to provide a variable transformer capabilities. These are single phase transformer assemblies.
Examples of variable transformer assembly are shown below:
- Output 0 to 10 VAC, 1000 Amps. This is a 10 KVA assembly. Input can be 240 VAC or 480 VAC. The variac is rated for 10 KVA and the transformer is rated for 240/10 VAC or 480/10 VAC.
- Output 0 to 30 VAC, 100 Amps. This is a 3 KVA assembly. Input can be 240 VAC or 480 VAC. The variac is rated for 3 KVA and the transformer is rated for 240/30 VAC or 480/30 VAC.
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