Page 30 - SACE Tmax XT - Catalogue

2/12 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

—

SACE Tmax XT automatic circuit-breakers for

direct current (DC) distribution

Size XT4 XT5 XT6
Rated uninterrupted current [A] 160 / 250 400 / 630 800
Poles [No.] 3, 4 3, 4 3, 4
Rated service voltage, Ue (DC) [V] 750 750 750
Rated insulation voltage, Ui (DC) [V] 1000 1,000 1,000
Rated impulse withstand voltage, Uimp [kV] 8 8 8
Versions Fixed, Withdrawable, Plug-in Fixed, Withdrawable, Plug-in Fixed, Withdrawable
Breaking capacities according to IEC 60947-2 N S H L V X N S H L V X N S H
Rated ultimate short-circuit breaking capacity, Icu
Icu @ 250V (DC) 2 poles in series [kA] 36 50 70 85 100 100 25 35 50 70 85 100 35 50 70
Icu @ 500V (DC) 2 poles in series [kA] 36 50 70 85 100 100 25 35 50 70 85 100 20 35 50
Icu @ 500V (DC) 3 poles in series [kA] 36 50 70 85 100 100 - - - - - - - - -
Icu @ 750V (DC) 3p in series [kA] - - - - 50 70 - - - - 85 100 18 24 36
Rated service short-circuit breaking capacity, Ics
Ics @ 250V (DC) 2 poles in series [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 50% (35kA) 50%
Ics @ 500V (DC) 2 poles in series [kA] 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 50% 50%
Ics @ 500V (DC) 3 poles in series [kA] 100% 100% 100% 100% 100% 100% - - - - - - - - -
Ics @ 750V (DC) 3 poles in series [kA] - - - - 100% 100% - - - - 100% 100% 100% 75% 50%
Utilization Category (IEC 60947-2) A A A
Reference Standard IEC 60947-2 IEC 60947-2 IEC 60947-2
Insulation behaviour   
Mounted on DIN rail DIN EN 50022 - -
Mechanical life [No. Operations] 25,000 20,000 20,000
[No. Hourly operations] 240 120 120
Dimensions
Fixed 3 poles [mm] 105 x 82.5 x 160 140 x 103 x 205 210 x 103.5 x 268
(Width x Depth x Height) 4 poles [mm] 140 x 82.5 x 160 186 x 103 x 205 280 x 103.5 x 268
Trip units
TMD/TMA   
TMD/TMF
MF/MA 
Trip units with low magnetic (TMG)
TMG 
Interchangeable trip units   
Weight
Fixed 3/4 poles [kg] 2.5 / 3.5 3.25 / 4.15 9.5 / 12
Plug in (EF terminals) 3/4 poles [kg] 4.19 / 5.52 5.15 / 6.65 -
Withdrawable (EF terminals) 3/4 poles [kg] 5 / 6.76 5.4 / 6.9 12.1 / 15.1