CAT Standard Series - DV Power Circuit Breaker Analyzers

Circuit breakers are tested during the manufacturing, commissioning, or maintenance stages. The most basic test requires timing measurement using a circuit breaker timer. Their primary role is timing and motion measurement of medium and high voltage circuit breakers. Devices from the CAT Standard series have suitable applications in:

• electric power generation,
• distribution system,
• part of the electric power transmission system,
• contractors testing,
• and industrial environments.

CAT Standard series meets the requirements of an easy-to-use circuit breaker timer and analyzer at an attractive price. Furthermore, they are portable and lightweight (weighing only up to 7 kg).  Finally, the plastic case is unbreakable and has an IP67 protective rating when the lid is closed.

The CAT Standard series includes five models:

• Three circuit breaker timers – CAT03, CAT31, and CAT61
• Two circuit breaker analyzers – CAT34 and CAT64

CAT03 is a basic model intended only for timing measurement of main contact operations on the circuit breaker with one break per phase. Unlike CAT03, CAT31 has the possibility of circuit breaker operation initiation, coil current measurement, and auxiliary contact timing measurement. CAT61 differs in comparison to CAT31 by its ability to measure up to two breaks per phase.

CAT34 and CAT64 are more advanced compared to CAT31 and CAT61, respectively, since they have additional analog channels. Also, they have the possibility of a travel curve recording.

The CAT Standard Series devices that have an optional internal battery power supply, may be used for up to eight (8) hours of circuit breaker testing. This option enables the user easy onsite testing without the requirement of connecting the mains power supply. This feature is useful, especially in substations where the mains power supply is not available.

A user can save the test results to a USB memory stick or to the internal memory. The CAT Standard series internal memory can store up to 500 test results (numerical and graphical data). Optional thermal printer prints test results in tabular and graphical form on 58 mm (2.28 inch) paper rolls. CAT Standard series instruments are compatible with DV-Win software. It provides full control of all CAT functions from a PC, as well as the acquisition and analysis of test results.

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