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DV-Power CAT-I Series Circuit Breaker Analysers

DV-Power CAT-I Series Circuit Breaker Analysers
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Circuit Breaker Analyzer & Timer (CAT) series are standalone or PC controlled digital instruments for circuit breakers’ condition assessment. They enable simultaneous measurements of up to 12 main contacts (4 breaks per a phase) including pre-insertion resistors and 6 auxiliary contacts.

CAT series instruments record graphs of both, the open and close coil currents and displacements of the HV and MV circuit breaker moving parts. The main contact channels can also measure the resistance value of the pre-insertion resistors (if present in the circuit breaker).

The user can select any desired operational mode: Close (C), Open (O), Close-Open (C-O), Open-Close (O-C), Open-Close-Open (O-C-O). Test results can be stored in the instrument’s internal memory, an USB memory stick or printed on a thermal printer (optional accessory) in both tabular and graphical form.

CAT instruments are supplied with DV-Win software, which provides full control of all CAT functions from a PC, as well as acquisition and analysis of test results.
The first series of CAT instruments are designed to meet requirements of an easy to use circuit breaker analyzer & timer with an attractive price. Their primary role is timing and motion measurement of HV and MV circuit breakers.

  CAT03 CAT31 CAT34 CAT61 CAT64
MAIN CONTACTS TIMING CHANNELS 3 3 3 6 6
PRE-INSERTION RESISTOR CONTACTS TIMING CHANNELS 3 3 3 6 6
AUXILIARY CONTACTS TIMING CHANNELS no 3 3 3 3
COIL CONTROL no yes yes yes yes
COIL CURRENT MEASUREMENT CHANNELS no 2 2 2 2
EXTERNAL TRIGGER CHANNELS 2 2 2 2 2
ANALOG INPUT CHANNELS no no 2 no 2
TRANSDUCER INPUT CHANNELS no no 1 no 1
THERMAL PRINTER (BUILT-IN) OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL
“FIRST TRIP” TEST no no yes no yes

YES-YES, NO-NO, OPTIONAL-OPTIONAL


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