Connecting
4.3 Operation with Residual Current Devices (RCD)
Power Module PM240
38 Hardware Installation Manual, 07/2009, A5E00807525B AD
4.3 Operation with Residual Current Devices (RCD)
Operation with Residual Current Devices (RCD)
If an RCD (also referred to as an ELCB or a RCCB) is fitted, the Power Module will operate
without nuisance tripping provided that:
● A type B RCD is used.
● The trip limit of the RCD is 300 mA.
● The neutral of the supply is grounded.
● Only one Power Module is supplied from each RCD.
● The output cables are less than 50 m (164 ft) screened or 100 m (328 ft) unscreened.
If no RCD is used, the touch protection can be achieved by double insulation or by
separating the Power Module from the mains system using a transformer.
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