IEC 60990 Figure 6 Touch Current Test Conversion Switch On Star TN Or TT System
| Applied standard: | IEC 60990 | Applied clause: | Figure 6 |
| Brand: | Sinuo | Warranty: | 1 Year |
| High Light: | Touch Current Test Conversion Switch,Figure 6 Current Test Conversion Switch |
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IEC 60990 Figure 6 Touch Current Test Conversion Switch on star TN or TT system
Product information:
NOTE Examples of power distribution systems are given in Annex l.
EQUIPMENT shall be connected in a test configuration as shown in Figure 6 to Figure 14.
according to 5.4.2,5.4.3 or 5.4.4, as appropriate.
EQUlPMENT committees should consider the possible need for the manufacturer to identify thepower distribution system (TN, TT, iT) to which an EQUlPMENT is intended to be connected inits final application.
If the EUT is specified by the manufacturer for use only on certain power distribution systems, the EUT shall be tested only when connected to those systems.
EQUIPMENT to be connected only to TN or TT systems shall comply with 5.4.2. EQUIPMENT to be connected to IT systems shall comply with 5.4.3 and may also be connected to TN or TT systems.
For Class 0 and Class ll EQUIPMENT (see lEC 61140), the protective conductors in Figure 6 through Figure 14 are ignored.
Preparation:
Before testing, you need to prepare instruments as follow:
Oscilloscope x1
Power supply x1 (the test voltage or frequency that can be adjusted or changed to the required voltage or frequency)
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