General
Enclosure diameter	140 mm
Loop length	450 mm
Measurement range with PEL 51 / 52	200 mA…3 kA AC
Measurement range with PEL 10X / PEL 11X	200 mA…10 kA AC
Measurement range with C.A 8220 / C.A 8230	10 / 30 A…6500 A AC

The flexible AC current transformer A193-450 from Chauvin Arnoux is a measurement accessory for Qualistar and PEL power loggers, enabling precise alternating current measurements. The device features a flexible design, allowing it to encircle conductors with a diameter up to 140 mm. The loop length is 450 mm, facilitating use with hard-to-reach or large conductors. The construction is designed for demanding electrical environments and complies with safety categories according to IEC 61010: CAT III 1000 V and CAT IV 600 V, ensuring safe measurement in industrial and distribution installations.

Flexible design for large conductors
The current transformer features a flexible loop that can be wrapped around conductors with a diameter up to 140 mm. The total loop length is 450 mm, making it particularly suitable for applications in industrial electrical engineering or for measurements in distribution shafts. The flexible material allows for easy and quick installation without damaging insulation or cutting conductors. The design ensures stable encirclement of the conductor without compromising electrical insulation.

Measurement ranges depending on connected device
The measurement range of the current transformer varies depending on the connected measuring device. With the PEL 51 and PEL 52 devices, a range of 200 mA to 3 kA AC can be measured. When used with the PEL 10X and PEL 11X models, the measurement range is 200 mA to 10 kA AC. For the C.A 8331, C.A 8333, C.A 8336, and C.A 8436 devices, the range is 100 mA to 10 kA AC. The models C.A 8332B, C.A 8334B, C.A 8335, and C.A 8435 allow measurements from 30 A to 6500 A AC. When used with the C.A 8345, the range is also 100 mA to 10 kA AC. The C.A 8220 and C.A 8230 devices support a measurement range of 10 A and 30 A respectively, up to 6500 A AC. The exact measurement accuracy depends on the respective device class, as specified in the technical data of the individual measuring instruments.

Safety compliance and operating environment
The current transformer complies with the safety requirements of IEC 61010, specifically the categories CAT III 1000 V and CAT IV 600 V. These categories apply to measuring instruments used in electrical installations with high voltages, such as in distribution shafts, industrial installations, or during testing of power supply systems. Compliance with these standards ensures the device can be operated safely under the intended conditions without endangering electrical safety.

Compatibility with Qualistar and PEL products
The current transformer is specifically designed for use with products from the Qualistar and PEL series by Chauvin Arnoux. Compatibility is limited to the specified models, with respective measurement ranges and accuracy specifications documented in the technical data of the devices. Connection is made via the standardized socket connectors of the measuring devices, ensuring direct and reliable data transmission.

Scope of delivery
The scope of delivery includes the flexible current transformer A193-450 and the user manual. The manual contains information on correct installation, safe operation, and interpretation of measurement results.

Operational advantages
The flexible current transformer enables quick and safe measurements without damaging the electrical installation. The combination of large encirclement and flexible loop makes it particularly suitable for use in industrial electrical engineering, testing of distribution systems, or energy consumption measurement in large installations. The high safety approval according to IEC 61010 ensures reliable operation in critical environments. Compatibility with various models from the Qualistar and PEL series expands application possibilities and allows flexible use in different measurement tasks.

Accessories
Compatible accessories include a set of colored identification parts, which can be used for better identification of measurement points or for marking conductors.