Product Highlight
The RD‑BR1 provides an intuitive and efficient way to conduct CT burden and ratio tests.
Its unique solid‑state design allows insertion of ANSI burden values (0.1 Ω, 0.5 Ω, 1.0 Ω, 2.0 Ω, 4.0 Ω, 8.0 Ω) with virtually no magnetizing effect, helping avoid CT remagnetization and reducing uncertainty in test results. It also integrates safety features like open‑secondary detection and automatic continuity loop closure for user protection.
Features
Designed for Precision & Efficiency
- One‑line cycle burden insertion, allowing fast CT burden testing across multiple values.
- Insert selectable ANSI burden values (0.1, 0.5, 1.0, 2.0, 4.0, 8.0 Ω) without adding residual magnetisation to the CT.
- Simultaneous measurement of CT ratio and phase error while applying burdens—reducing technician time and improving accuracy.
- Built‑in rapid demagnetisation capability to restore CT performance when saturation is detected.
- Safety‑oriented design: automatic continuity checks, burden resistor self‑tests, loop closure on open secondary detected.
- Compatible with a wide input range (primary CT current up to 3000 A, secondary 0.01–20 A) when paired with the appropriate Radian standard.
Burden & Ratio Analysis for Precision Transformer Testing
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