1 The leakage protector shall have a test device with a self-resetting button to simulate the leakage current. The protective conductor should not be charged when operating the test device. When the leakage protector is in the off position, if the test device is operated, the protected circuit should not be powered.
Note: The test device is only used to check the tripping function of the leakage protector, and is not used to check the rated leakage current and the breaking time.
2 The number of ampoules generated by the leakage protector when operating the test device at rated voltage shall not exceed that of the leakage protector.
One pole is 2.5 times the number of ampere-turns generated by the leakage current of `I_(â–³n)`. When the leakage protector has several `I_(â–³n)', the maximum Iâ–³n value shall be used unless otherwise specified in the specific product technical conditions.
3 Operating the test device, the leakage protector should operate reliably at 0.85`U_n` and 1.1`U_n`.
4 The button of the test device shall be able to withstand 100N static pressure for 1 min without damage.
5 The button of the test device should be marked with the letter “T†or with text. The color of the button cannot be red or green. It is recommended to use light color.
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