MFT1741 RCD Test Functions | Megger auto test facility ramp test
Straightforward x 1/2 x 1 and x 5 trip currents and by pressing the function.
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Website: www.uk.megger.com
1. by pressing the function key on the front you can select whether or not you're going to test at 0 or 180
2. pressing and holding the function key will allow you to cycle through the different types of RCD type a type AC or selective or a variance of any of these finally a B type breaker can be selected
3. here we also, have the auto test facility where
4. allows you to dial up a non-standard or programmable RCD test current
5. for example to test an 80 million RCD you press the function button to activate the selectable RCD feature and by pressing the up and down arrows you can adjust the value to match the RCD to be tested