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Home Products Circuit Breaker Tripping Characteristics Comprehensive Test System
Circuit Breaker Tripping Characteristics Comprehensive Test System
Circuit Breaker Tripping Characteristics Comprehensive Test System

Circuit Breaker Tripping Characteristics Comprehensive Test System

Product No: LS-B60

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  • Description

  • The LS-B60 Circuit Breaker Tripping Characteristic Testing System is designed and manufactured in accordance with standards such as IEC 60947-1 Clause 7.2.1 and 7.2.2 (GB 14048.1-2012 Clause 7.2.1), IEC 60947-2 Clause 4.7 (GB 14048.2-2008 Clause 4.7), IEC 60898-1 Clause 9.10 (GB 10963.1-2005 Clause 9.10), and IEC 60009-1 Clause 3.7 (GB 16917.1-2014 Clause 3.7).

    Specification:

    Electrical Control Method PLC intelligent integrated control, human-machine touch interface operation
    Test Chamber The test chamber is combined with the test machine, with a built-in delay position and an instantaneous position, and is arranged on the back panel in a terminal manner to meet the 1-4P circuit breaker test. When the temperature inside the chamber is too low, it can be heated, ranging from room temperature to 50 degrees, with a temperature resolution of 0.1 degrees and a temperature stability of ±1 degree, providing a reliable and safe environment for circuit breaker testing.
    Test Items • Small/molded case time-delay tripping characteristics: 1.13 times, 1.45 times, 2.55 times the current
    • Instantaneous tripping characteristics: 3~10 times the current
    • Temperature rise test
    Time-delay Tripping Test
    Output Current AC10~350A
    Output Voltage 0~5V
    Output Current Path 1-way output, multi-P circuit breaker contacts are tested by connecting several switches in series
    Test Sample Range 3~125A
    Current Output Waveform Sine wave (correction equipment current waveform distortion is no more than 5%, system error is no more than 3%)
    Current Control Method Automatic adjustment, current setting on touch screen
    Current Accuracy Class 0.5 
    Voltage Accuracy Class 0.5 
    Transformer Ratio 400/5A
    Testing Time 1~9999H 59M  59s
    Testing Process After applying 1.13 times the current, it will automatically rise to 1.45 times the current in 5 seconds
    Fixture Adopting terminal mode, one delay position, one instantaneous position; meeting 1-4P circuit breaker
    Instantaneous Tripping Test
    Output Current AC100~1500A
    Output Voltage Number 1
    Current Accuracy 0.5 Class
    Resolution 1A
    Instantaneous Test Time ≤0.2s
    Action Time Upper Limit Setting 1~200ms
    Action Time Lower Limit Setting 1~200ms
    Test Station 1
    Timekeeping 1~9999ms
    Protection Function Short circuit protection, overload protection, leakage protection
    Temperature Rise Test
    Purpose of the Test When the circuit breaker is tested under normal working conditions and specified conditions, the temperature rise of its components shall not exceed the limit values ​​specified in Table 6, and the circuit breaker shall not be damaged to affect its function or safety of use.
    Test Current AC10-350A
    Temperature Measurement Channel 12 channels, temperature resolution 0.1 degrees
    Accuracy 0.2 Class
    Measurement and Control Speed 0.1 seconds per channel
    Temperature Measurement Range 0~200℃
    Thermocouple Model T type

    IEC 60947-1 Clause 7.2.1 and 7.2.2

    IEC 60947-1 Clause 7.2.1 and 7.2.2

    IEC 60947-2 Clause 4.7

    IEC 60947-2 Clause 4.7

    IEC 60898-1 Clause 9.10

    IEC 60898-1 Clause 9.10

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