Page 20 - SACE Tmax XT - Catalogue

2/2 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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SACE Tmax XT automatic circuit-breakers for

alternating current (AC) distribution

Size XT1 XT2 XT3 XT4
Rated uninterrupted current [A] 160 160 250 160 / 250
Poles [No.] 3, 4 3, 4 3, 4 3, 4
Rated service voltage, Ue (AC) 50-60Hz [V] 690 690 690 690
Rated insulation voltage, Ui [V] 800 1000 800 1000
Rated impulse withstand voltage, Uimp [kV] 8 8 8 8
Versions Fixed, Plug-in (1) Fixed, Withdrawable, Plug-in Fixed, Plug-in Fixed, Withdrawable, Plug-in
Max supply voltage on bottom side (F, P, W) [V] 690 ≤ 480 690 ≤ 600
Breaking capacities according to IEC 60947-2 B C N S H N S H L V N S N S H L V X
Rated ultimate short-circuit breaking capacity, Icu
Icu @ 220-230-240V 50-60Hz (AC) [kA] 25 40 65 85 100 65 85 100 150 200 50 85 65 85 100 150 200 200
Icu @ 380V 50-60Hz (AC) [kA] 18 25 36 50 70 36 50 70 120 150 36 50 36 50 70 120 150 200
Icu @ 415V 50-60Hz (AC) [kA] 18 25 36 50 70 36 50 70 120 150 36 50 36 50 70 120 150 200
Icu @ 440V 50-60Hz (AC) [kA] 15 25 36 50 65 36 50 65 100 150 25 40 36 50 65 100 150 200
Icu @ 500V 50-60Hz (AC) [kA] 8 18 30 36 50 30 36 50 60 70 20 30 30 36 50 60 85 100
Icu @ 525V 50-60Hz (AC) [kA] 6 8 22 35 35 20 25 30 36 50 13 20 20 25 45 50 70 100
Icu @ 690V 50-60Hz (AC) [kA] 3 4 6 8 10 10 12 15 18 20 5 6 10 12 15 20 50 (2) 100
Rated service short-circuit breaking capacity, Ics
Ics @ 220-230-240V 50-60Hz (AC) [kA] 100% 100% 75% (50) 75% 75% 100% 100% 100% 100% 100% 75% 50% 100% 100% 100% 100% 100% 100%
Ics @ 380V 50-60Hz (AC) [kA] 100% 100% 100% 100% 75% 100% 100% 100% 100% 100% 75% 50% (27) 100% 100% 100% 100% 100% 100%
Ics @ 415V 50-60Hz (AC) [kA] 100% 100% 100% 75% 50% (37.5) 100% 100% 100% 100% 100% 75% 50% (27) 100% 100% 100% 100% 100% 100%
Ics @ 440V 50-60Hz (AC) [kA] 75% 50% 50% 50% 50% 100% 100% 100% 100% 100% 75% 50% 100% 100% 100% 100% 100% 100%
Ics @ 500V 50-60Hz (AC) [kA] 100% 50% 50% 50% 50% 100% 100% 100% 100% 100% 75% 50% 100% 100% 100% 100% 100% 100%
Ics @ 525V 50-60Hz (AC) [kA] 100% 100% 50% 50% 50% 100% 100% 100% 100% 100% 75% 50% 100% 100% 100% 100% 100% 100%
Ics @ 690V 50-60Hz (AC) [kA] 100% 100% 75% (5) 50% (5) 50% 100% 100% 100% 75% (15) 75% 50% (3) 50% 100% 100% 100% 100% 100% (3) 100% (3)
Rated short-circuit making capacity, Icm
Icm @ 220-230-240V 50-60Hz (AC) [kA] 52.5 84 143 187 220 143 187 220 330 440 110 187 143 187 220 330 440 440
Icm @ 380V 50-60Hz (AC) [kA] 36 52.5 75.6 110 154 75.6 110 154 264 330 75.6 110 75.6 110 154 264 330 440
Icm @ 415V 50-60Hz (AC) [kA] 36 52.5 75.6 110 154 75.6 110 154 264 330 75.6 110 75.6 110 154 264 330 440
Icm @ 440V 50-60Hz (AC) [kA] 30 52.5 75.6 110 143 75.6 110 143 220 330 52.5 84 75.6 110 143 220 330 440
Icm @ 500V 50-60Hz (AC) [kA] 13.6 36 63 75.6 110 63 75.6 110 132 154 40 63 63 75.6 110 132 187 220
Icm @ 525V 50-60Hz (AC) [kA] 9 13.6 46.2 73.5 73.5 40 52.5 63 75.6 110 26 40 40 52.5 94.5 110 154 220
Icm @ 690V 50-60Hz (AC) [kA] 4.26 5.88 9 13.6 17 17 24 30 36 40 7.5 9 17 24 30 40 110 220
Breaking capacities according to NEMA-AB1
@ 240V 50-60Hz (AC) [kA] 25 40 65 85 100 65 85 100 150 200 50 85 65 85 100 150 200 200
@ 480V 50-60Hz (AC) [kA] 8 18 30 36 65 30 36 65 100 150 25 35 30 36 65 100 150 100
Utilization Category (IEC 60947-2) A A A A
Icw [kA] - - - -
Reference Standard IEC 60947-2 IEC 60947-2 IEC 60947-2 IEC 60947-2
Insulation behaviour    
Mounted on DIN rail DIN EN 50022 DIN EN 50022 DIN EN 50022 DIN EN 50022
[No. Operations] 25,000 25,000 25,000 25,000
Mechanical life
[No. Hourly operations] 240 240 240 240
[No. Operations] 8,000 8,000 8,000 8,000 10,000
Electrical life @ 415 V (AC)
[No. Hourly operations] 120 120 120 120
(1) XT1 plug-in In max=125A (2) In<32A Icu=25kA/Ics=20kA, with magnetic trip unit only and In≤52A/Icu=Ics=5kA
(3) Ics=100% Icu up to 250 A with EF, ES, Rear and external FC CuAl (2x...) terminal. When any other terminals are used and load >200A Icu=25%