Current transformer 1600/1 A
Ratio 1600:1 · primary current 1600 A, secondary current 1 A
16 CELSA current transformers with a ratio of 1600/1 A: Plug-on / winding current transformers (ALO), Rail conversion current transformer (IAG) and Protective current transformer (ICM, IER-1, IER-2 …). Accuracy class 0.5, 1 or 5P5–10P10, rated burden 1.5–45 VA. From €118.10 incl. VAT, with datasheet, direct from the manufacturer.
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Frequently asked questions
What does 1600/1 A mean?
With 1600 A flowing in the primary conductor, the transformer delivers 1 A to the meter or measuring device – a ratio of 1600:1. Meters and instruments are set to this CT ratio. The 1 A secondary keeps cable losses low on long measuring lines.
How much burden (VA) do I need?
The rated burden must cover the consumption of the connected devices plus the losses of the measuring line, without being much higher. The types listed here offer 1.5–45 VA. The VA calculator determines the value. VA calculator →
Which accuracy class?
For 1600/1 A the classes 0.5, 1 and 5P5–10P10 are available here. Billing-relevant metering requires class 0.5 or better; for display and monitoring class 1 is usually sufficient. Accuracy class comparison →