ABB RET670 Product Manual page 98

Transformer protection RET670
Customized
Product version: 1.2
Voltage protection
Two step undervoltage protection (UV2PTUV)
Two step overvoltage protection (OV2PTOV)
Two step residual overvoltage protection (ROV2PTOV)
Overexcitation protection (OEXPVPH)
Voltage differential protection (VDCPTOV)
Frequency protection
Underfrequency protection (SAPTUF)
Overfrequency protection (SAPTOF)
Rate-of-change frequency protection (SAPFRC)
Multipurpose protection
General current and voltage protection (CVGAPC)
Secondary system supervision
Current circuit supervision (CCSRDIF)
Fuse failure supervision (SDDRFUF)
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1MRK 504 117-BEN D
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1MRK 002 908-AC
3
1MRK 002 908-DC
3
1MRK 002 908-GC
2
1MRK 002 908-MC
2
1MRK 002 924-TB
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1MRK 002 908-NC
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1MRK 002 908-RC
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1MRK 002 908-SB
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1MRK 002 902-AB
5
1MRK 002 914-AB
4
1MRK 002 914-GC
ABB