Table 319: Timer characteristics supported by different stages
Operating curve type 51N, 51G 50N, 50G
(1) ANSI Extremely Inverse x x
(2) ANSI Very Inverse x
(3) ANSI Normal Inverse x x
(4) ANSI Moderately Inverse x
(5) ANSI Definite Time x x
(6) Long Time Extremely Inverse x
(7) Long Time Very Inverse x
(8) Long Time Inverse x
(9) IEC Normal Inverse x x
(10) IEC Very Inverse x x
(11) IEC Inverse x
(12) IEC Extremely Inverse x x
(13) IEC Short Time Inverse x
(14) IEC Long Time Inverse x
(15) IEC Definite Time x x
(17) User programmable curve x x
(18) RI type x
(19) RD type x
50N-3, 50G-3 supports only definite time characteristics.
For a detailed description of timers, see the General function block
features section in this manual.
Table 320: Reset time characteristics supported by different stages
Reset curve type
51N, 51G 50N, 50G Note
(1) Immediate x x Available for all reset time curves
(2) Def time reset x x Available for all reset time curves
(3) Inverse reset x x Available only for ANSI and user
programmable curves
Section 4 1MAC059074-MB A
Protection functions
318 615 series ANSI
Technical Manual
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