IEC 60990 - Leakage Current Testing Kikusui tests to IEC60990 Leakage Current, touch current, protective conductor current available in the UK from electrical safety testing specialist telonic instruments Contact us at Telonic Instruments

IEC 60990 - Leakage Current Testing

The term Touch Current and Protective Conductor Current are defined in the latest international standard, IEC 60990. These terms were previously referred to as Leakage Current.

• Touch Current (TC)
Current that flows when a human body touches the equipment. If the measured TC does not exceed the value hazardous to a human body as defined by a safety standard or the like, the equipment meets the requirements for preventing electric shock.

• Protective Conductor Current (PCC)
Current that flows through the protective conductor of equipment that is furnished with normal protective bonding. The measurement of the PCC also serves the purpose of checking the compatibility with the distribution system of the equipment.
 
Differences from the withstanding voltage and insulation resistance tests
The withstanding voltage and insulation resistance tests measure the current flowing through the insulator of the EUT. The TC test measures the current flowing through a body impedance network, and the PCC test measures the current flowing through the protective conductor. The term leakage current applies to all these cases. However, the term leakage current test generally refers to tests that measure the TC or PCC.
 
iec60990 Leakage Current Test
In this test, power is fed to the EUT, and the current flowing through the protective conductor is measured under normal operation.
 
iec60990 - Body Impedance Network
 
A body impedance network is connected in place of an actual human body, and the current flowing through the network is measured. In some cases, the TC between the enclosure and the power line or that between the enclosure and another enclosure is also measured in addition to the TC between the enclosure and ground.
 
iec60990 Reference
 
Please Contact Us for more information about IEC 60990 and the new TOS3200 product.
Recommended Products
iec60990 TOS3200 Leakage Current Tester TOS3200 Leakage Current Testers (iec60990)
  • Measures leakage current in 3 operation modes: Touch Current (TC), Protective Conductor Current (PCC), and METER mode
  • DC/RMC: 30µA to 30mA (DC/RMS: 50µA to 90mA)
  • Seven types of measuring circuit networks are incorporated in the tester for measuring the touch current of general electrical apparatuses
  • Possible to measure DC/RMS/PEAK, realizing the "true root-mean-square value" with 30 mA as the maximum RMS
  • User-friendly operability
  • Possible to choose between Independent and Automatic Testing
  • 51 types of preset safety standard tests
  • Function for controlling the calibration expiration limits
                                  
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Kikusui tests to IEC60990 Leakage Current, touch current, protective conductor current available in the UK from electrical safety testing specialist telonic instruments.
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