Glasshouse custom made transformers sizes and VA ratings
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The table below shows the sizes of the commom laminations used in E & I transformers along with the various stack heights on offer. Please note that the length dimensions are shown in inches as these were the units used when the laminations were devised.
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lamination No.
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A (in inches)
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B (in inches)
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C (in inches) stack sizes available
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VA rating
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application
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lam 35 |
2.25 |
1.875 |
0.75, 1 |
6-16VA |
mains, outputs & choke |
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lam 147 |
2.625 |
2.19 |
0.875, 1, 1.25 |
15-30VA |
as above |
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lam 29 |
3 |
2.5 |
1, 1.25, 1.5 |
25-60VA |
as above |
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lam 78 |
3.75 |
3.125 |
1.25, 1.5, 2.00 |
60-120VA |
as above |
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lam 120 |
4.5 |
3.75 |
1, 1.5, 1.75, 2, 2.25, 2.5, 3 |
100-300VA |
as above |
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lam 248 |
5.25 |
4.375 |
1.75, 2, 2.25, 2.5, 3 |
250-600VA |
as above |
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lam 638 |
9.5 |
5.5 |
2.625, 3 |
900-1000VA |
as above |
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