24 VAC Load / Actuator VA Calculator

Total common 24 VAC device loads and apply a configurable spare-capacity allowance. Results update live as you type.

Connected Load
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Design Load
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24 VAC Current
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Suggested Transformer
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Inputs valid. Results update live as values change.

Engineering estimate only. Verify final values against project criteria, equipment submittals, manufacturer data, measured field conditions, applicable codes, and engineering judgment.

Need help applying this tool to a controls project or commissioning issue? Contact WEBC.