Page 47 - Product-catalogue-v17

Moulded Case Circuit Breakers (MCCB)

1

Size XT1 XT2 XT3 XT4 XT5 XT6 (2) XT7 XT7M
Rated Uninterrupted Current [A] 160 160 250 160 / 250 400 / 630 800 / 1000 (6) 800/ 1000 / 1250 / 1600 800 / 1000 / 1250 / 1600
Poles [No.] 3, 4 3, 4 3, 4 3, 4 3, 4 3, 4 3, 4 3, 4
(AC)
Rated Service Voltage, Ue [V] 690 690 690 690 690 690 690 690
50-60Hz
Rated Insulation Voltage, Ui [V] 800 1000 800 1000 1000 1000 1000 1000
Rated Impulse Withstand Voltage, Uimp [kV] 8 8 8 8 8 8 8 8
Versions Fixed, Plug-in (1) Fixed, Withdraw- Fixed, Plug-in Fixed, Withdrawable, Fixed, Withdrawable, Fixed, Withdrawable Fixed, Withdrawable Fixed, Withdrawable
able, Plug-in Plug-in Plug-in (5)
Breaking Capacities according to IEC 60947-2 N N H N N H N H S H S H S H
Rated Ultimate Short-Circuit Breaking Capacity, Icu
Icu @ 220-230-240V 50-60Hz (AC) [kA] 65 65 100 50 65 100 70 100 85 100 85 100 85 100
Icu @ 415V 50-60Hz (AC) [kA] 36 36 70 36 36 70 36 70 50 70 50 70 50 70
Icu @ 690V 50-60Hz (AC) [kA] 6 10 15 5 10 15 20 40 22 25 30 42 30 42
Rated Service Short-Circuit Breaking Capacity, Ics
Ics @ 220-230-240V 50-60Hz (AC) [kA] 75% (50) 100% 100% 75% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 415V 50-60Hz (AC) [kA] 100% 100% 100% 75% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Ics @ 690V 50-60Hz (AC) [kA] 75% (5) 100% 100% 75% 100% 100% 100% 100% (3) 100% 100% 100% 100% 100% 100%

Utilization Category (IEC 60947-2) A A A A A (up to 630A), A (up to 1000A), B B
B (up to 500A) (4) B (up to 800A) (4)
Icw [kA] - - - - 6 10 20 20
Reference Standard IEC 60947-2 IEC 60947-2 IEC 60947-2 IEC 60947-2 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 20,000 20,000 10,000 20,000
Mechanical Life
[No. Hourly operations] 240 240 240 240 120 120 60 60
7.000 (400A) - 5.000
[No. Operations] 8,000 8,000 8,000 8,000 5,000 3,000 3,000
Electrical Life @ 415 V (AC) (630A)
[No. Hourly operations] 120 120 120 120 60 60 60 60
Dimensions
Fixed 3 poles [mm] 76.2 x 70 x 130 90 x 82.5 x 130 105 x 70 x 150 105 x 82.5 x 160 140 x 103 x 205 210 x 103.5 x 268 210 x 166 x 268 210 x 178 x 268
(Width x Depth x Height) 4 poles [mm] 101.6 x 70 x 130 120 x 82.5 x 130 140 x 70 x 150 140 x 82.5 x 160 186 x 103 x 205 280 x 103.5 x 268 280 x 166 x 268 280 x 178 x 268
Trip units for power distribution
TMD/TMA    
TMD/TMF  
Ekip Dip      
Trip units for motor protection
MF/MA    
Ekip Dip      
Ekip Touch     
Interchangeable trip units      
Weight
Fixed 3/4 poles [kg] 1.1 / 1.4 1.2 / 1.6 1.7 / 2.1 2.5 / 3.5 3.25 / 4.15 9.5 / 12 9.7 / 12.5 11 / 14
Plug In (EF terminals) 3/4 poles [kg] 2.21 / 2.82 2.54 / 3.27 3.24 / 4.1 4.19 / 5.52 5.15 / 6.65
Withdrawable (EF terminals) 3/4 poles [kg] 3.32 / 4.04 5 / 6.76 5.4 / 6.9 12.1 / 15.1 29.7 / 39.6 32 / 42.6

(2) Not suitable for IT Distribution Systems > 440V AC (3) Ics = 75% 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.

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