Page 24 - SACE Tmax XT - Catalogue
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2/6 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 XT5 XT6 (1) XT7 XT7 M
Rated uninterrupted current [A] 400 / 630 800 / 1000 (6) 800 / 1000 / 1250 / 1600 800 / 1000 / 1250 / 1600
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] 1000 1000 1000 1000
Rated impulse withstand voltage. Uimp [kV] 8 8 8 8
Versions Fixed. Withdrawable. Plug-in (5) Fixed. Withdrawable Fixed. Withdrawable Fixed. Withdrawable
Max supply voltage on bottom side (F. P. W) [V] 690 690 690 690
Breaking capacities according to IEC 60947-2 N S H L V X N S H S H L S H L
Rated ultimate short-circuit breaking capacity. Icu
Icu @ 220-230-240V 50-60Hz (AC) [kA] 70 85 100 150 200 200 70 85 100 85 100 200 85 100 200
Icu @ 380V 50-60Hz (AC) [kA] 36 50 70 120 200 200 36 50 70 50 70 120 50 70 120
Icu @ 415V 50-60Hz (AC) [kA] 36 50 70 120 200 200 36 50 70 50 70 120 50 70 120
Icu @ 440V 50-60Hz (AC) [kA] 36 50 65 100 180 200 30 45 50 50 65 100 50 65 100
Icu @ 500V 50-60Hz (AC) [kA] 25 30 50 85 150 150 25 35 50 45 50 85 45 50 85
Icu @ 525V 50-60Hz (AC) [kA] 25 30 50 85 100 120 25 35 50 45 50 65 45 50 65
Icu @ 690V 50-60Hz (AC) [kA] 20 25 40 70 80 100 20 22 25 30 42 50 30 42 50
Rated service short-circuit breaking capacity. Ics
Ics @ 220-230-240V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 380V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 415V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 440V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 500V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 525V 50-60Hz (AC) [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 690V 50-60Hz (AC) [kA] 100% 100% 100% (2) 100% (3) 100% (3) 100% (3) 100% 100% 100% 100% 100% 100% 100% 100% 100%
Rated short-circuit making capacity. Icm
Icm @ 220-230-240V 50-60Hz (AC) [kA] 154 187 220 330 440 440 154 187 220 187 220 440 187 220 440
Icm @ 380V 50-60Hz (AC) [kA] 75.6 110 154 264 440 440 75.6 110 154 110 154 264 110 154 264
Icm @ 415V 50-60Hz (AC) [kA] 75.6 110 154 264 440 440 75.6 110 154 110 154 264 110 154 264
Icm @ 440V 50-60Hz (AC) [kA] 75.6 110 143 220 396 440 63 94.5 110 110 143 220 110 143 220
Icm @ 500V 50-60Hz (AC) [kA] 52.5 63 110 187 330 330 52.5 73.5 110 94.5 110 187 94.5 110 187
Icm @ 525V 50-60Hz (AC) [kA] 52.5 63 110 187 220 264 52.5 73.5 110 94.5 110 143 94.5 110 143
Icm @ 690V 50-60Hz (AC) [kA] 40 52.5 84 154 176 220 40 46.2 52.5 63 88.2 110 63 88.2 110
Breaking capacities according to NEMA-AB1
@ 240V 50-60Hz (AC) [kA]
@ 480V 50-60Hz (AC) [kA]
Utilization Category (IEC 60947-2) A (up to 630A). B (up to 500A) (4) A (up to 1000A) - B (800A) (4) B B
Icw (1 sec) [kA] 6 10 20 20
Reference Standard IEC 60947-2 IEC 60947-2 IEC 60947-2 IEC 60947-2
Insulation behaviour
Mounted on DIN rail - - - -
[No. operations] 20,000 20,000 10,000 20,000
Mechanical life
[No. hourly operations] 120 120 60 60
[No. operations] 7,000 (400A) - 5,000 (630A) 5,000 3,000 3,000
Electrical life @ 415 V (AC)
[No. hourly operations] 60 60 60 60
(1) Not suitable for IT distribution systems > 440Vac (2) Ics = 75% In > 500A (3) Ics = 50% In > 500A (4) Category B: only when equipped with an electronic trip unit (5) Plug-in/Withdrawable: max In 40°C=600A (6) 1000A only for fixed execution with EF. ES. R and FCCuAl terminals. EF terminals are supplied as standard if no other terminals are ordered
