PCT AST Line

AST Line Protection Current Transformers – Reliable & Accurate

The AST Line series by CELSA (Spain) is designed for protection applications in low-voltage electrical systems. Compliant with EN 60044, DIN VDE 0414, and IEC 61869-2, these CTs ensure high reliability and accuracy under demanding conditions.

Key Features:

• Protection Class: 5P5, 5P10, 5P20, 10P20 – accurate under high fault currents.

• Rated Current: 300 A – 6000 A, suitable for various loads.

• Robust Housing: Polyamide, impact- and fire-resistant (UL 94 V0).

• Multiple Window Sizes: For different conductors and busbars.

• Easy Installation: DIN rail compatible (EN 50022-35).

Applications: Ideal for distribution panels, switchboards, and relay protection against overloads and short circuits.