Site issues with Earth leakage and RCD's tripping
All models, All Serial Numbers
One of the most common site issues with UPS systems is the tripping of the earth leakage circuit breakers ELCB / RCD. To examine this in greater detail, we need to look at this device: The most common RCD has a tripping current of 30mA but they are also available in other versions form 10mA - 1,000mA (1A). Selective versions, with a delayed reaction time are also available
The attached document looks at this issue in greater detail.