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For all the CT sizes t1=18s, except with 320 A CT (T4) and 630 A (T5) where t1=12s. 2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases S6 - S7 PR211/P S6 - S7 - S8 PR212/P 104 L-I Functions 0,5 0,4 103 1,5 102 0,4 1,5 4 A 2 D C 102 B 1 103 t [s] 2 D C 0,4-0,5-0,55-0,6-0,65-0,7-0,75-0,80,85-0,875-0,9-0,925-0,95-0,975-1 L-S-I Functions, S inverse short delay (I2t = constant) 0,7 0,95 0,6 0,8 1 0,9 t [s] 104 B 4 1 A 6 6 8 D C 101 8 D 10 101 12 C D C 2 3 B B A A 1 1 10 12 B 4 6 A 8 10 10-2 10-2 10-1 1 1,05 101 Note: for PR211/P-I releases, consider the curves relevant to function I only.

For all the CT sizes t1=18s, except with 320 A CT (T4) and 630 A (T5) where t1=12s. 00 In prevention at 8 In T5 10-1 10-2 10-3 10-1 1 10 x In 10 Iu [kA] 1SDC210003F0004 1SDC210002F0004 10-1 10-2 10-3 10-1 1 10 102 x In Note: The dotted curve of function L corresponds to the maximum delay (t1) which can be set at 6xl1, in the case where 320 A CTs are used for T4 and 630 A for T5. For all the CT sizes t1=18s, except with 320 A CT (T4) and 630 A (T5) where t1=12s. 2 Trip curves 3 General characteristics 3 General characteristics Trip curve electronic releases Trip curve electronic releases S6 - S7 PR211/P S6 - S7 - S8 PR212/P 104 L-I Functions 0,5 0,4 103 1,5 102 0,4 1,5 4 A 2 D C 102 B 1 103 t [s] 2 D C 0,4-0,5-0,55-0,6-0,65-0,7-0,75-0,80,85-0,875-0,9-0,925-0,95-0,975-1 L-S-I Functions, S inverse short delay (I2t = constant) 0,7 0,95 0,6 0,8 1 0,9 t [s] 104 B 4 1 A 6 6 8 D C 101 8 D 10 101 12 C D C 2 3 B B A A 1 1 10 12 B 4 6 A 8 10 10-2 10-2 10-1 1 1,05 101 Note: for PR211/P-I releases, consider the curves relevant to function I only.

The setting ranges and resolution are referred to setting operations to be carried out locally. 2 x I1 A= 3s; B= 6s; C= 12s; D= 18s (@ 6 x I1) A= 3s; B= 6s; C= 12s; D= 18s (@ 6 x I1) for T4 In = 320 A and T5 In = 630 A → t1 = 12s. 5 – 2 – 4 – 6 – 8 – 10 – 12 – OFF) x In Here below the tolerances: I2 ± 10 % (T4-T5) PR221 ± 10 % (up to 2 x In) ± 20 % (over 2 x In) PR222 ± 10 % PR211 ± 10 % PR212 101 1 I3 ± 10 % (T4-T5) ± 20 % (T2) ± 10 % for T4 In = 320 A and T5 In = 630 A →I3 max = 10 x In Here below the tolerances: Tripping time: ≤ 25 ms ≤ 25 ms ± 20 % ≤ 25 ms PR111 ± 20 % 35 ms up to 3 x In 30 ms over 3 x In PR112 PR113 ± 10 % up to 4 x In ± 15 % over 4 x In ≤ 25 ms The given tolerances are valid only if the release is self-supplied in steady state condition with two-phase or three-phase power supply.

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