GE Industrial Solutions AF-650 GP General Purpose Drive (460_575_690V 125HP and above) - Manual (Page 11)

Illustration 2.2: Illustration of the essential aspects of an installation to achieve a Stopping Category 0 (EN 60204-1) with safety Category 3 (EN 954-1).
2.1.8 IT Mains
par. SP-50 RFI Filter can be used to disable the factory installed A1/B1 RFI filter option. If this is done it will reduce the RFI performance to A2 level. For the 525 -
690 V frequency converters, par. SP-50 RFI Filter is not available as there is no A1/B1 Factory Installed RFI Filter option.
AF-650 GP High Power Operating Instructions
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