Current transformer CT 400/5 A diameter 32 / 40.5x10.5 412125

Current transformer for precise measurements

This current transformer, with a ratio of 400/5 A, is a key element in measurement systems, providing accurate current readings. It is indispensable in electrical installations where control and monitoring of the load is required. Thanks to its construction and accuracy class, it performs well in both commercial and industrial applications.

Construction and application

The CT 400/5 A current transformer is designed to work with ammeters, energy meters and network analyzers. Its aperture diameter of 32 mm allows mounting on conductors of appropriate thickness. The possibility of mounting on a base or rails facilitates installation in various configurations. It is intended for conductors with a diameter of 32 mm or rails with dimensions of 40.5 x 10.5 mm. Using the transformer allows for safe and precise current measurements without the need to directly connect the meter into the primary circuit.

Key features and benefits

• High accuracy: Accuracy class 0.5 guarantees reliable and precise measurements, which is important for the proper functioning of monitoring and energy billing systems.
• Safety: Protection against touch increases safety and minimizes the risk of electric shock.
• Versatility: Designed to work with various measuring devices - ammeters, energy meters or network analyzers.
• Solid construction: Made of high-quality materials ensures durability and reliable operation even in harsh operating conditions.
• Calibration: It has calibration, which confirms its compliance with applicable standards and legal regulations.
• FS 5 burden rating: Allows for momentary overloads without damaging the device – useful when starting motors or other devices with high starting current.
• Secondary rated power 8 VA: Ensures stable operation with connected measuring devices.
• Screw connection: Enables easy and secure connection of secondary wires.

Technical parameters in practice

The CT 400/5 A transformer is characterized by a rated secondary current of 5 A and a rated secondary apparent power of 8 VA. Power consumption is 8 W. The transformer design allows for mounting on a mounting base or on rails, which increases installation flexibility. The use of a screw connection ensures a solid connection of the secondary wires and the accuracy class of 0.5 guarantees the precision of measurements necessary in professional applications.