Page 102 - Product Catalog V17 - Flip Book PDF

Air Circuit Breakers (ACB)

AUTOMATIC AIR CIRCUIT BREAKERS

Technical Data

Common data
Rated service voltage Ue [V] 690
Rated insulation voltage Ui [V] 1000
Rated impulse withstand voltage Uimp [kV] 12
Frequency [Hz] 50 - 60
Number of poles 3-4
Version Fixed - Withdrawable
Suitable for isolation according to IEC 60947-2
SACE Emax 3 E1.3 E2.3 E4.3 E6.3
Performance levels N N H N H
Rated uninterrupted current Iu [A] 250 800 800 3200 4000
@ 40°C
[A] 630 1000 1000 4000 5000
[A] 800 1250 1250 6300
[A] 1000 1600 1600
[A] 1250 2000 2000
[A] 1600 2500 2500
Neutral pole current-carrying capacity for 4-pole CBs [%Iu] 100 100 100 100 100 50-100
Rated ultimate short-circuit 400-415 V [kA] 66 66 100 66 100 100
breaking capacity Icu
440 V [kA] 66 66 100 66 100 100
500-525 V [kA] 50 66 85 66 85 100
690 V [kA] 50 66 85 66 85 100
Rated service short-circuit breaking capacity Ics [%Icu] 100 (1) 100 100 100 100 100
Rated short-time withstand (1s) [kA] 50 66 85 66 85 100
current Icw (3s) [kA] 30 50 66 50 75 (2) 100
Rated short-circuit making 400-415 V [kA] 145 145 220 145 220 220
capacity (peak value) Icm
440 V [kA] 145 145 220 145 220 220
500-525 V [kA] 105 145 187 145 187 220
690 V [kA] 105 145 187 145 187 220
Utilization category (according to IEC 60947-2) B B B B B B
Breaking (2) Breaking time for I<Icw [ms] 40 40 40 40 40 40
Breaking time for I>Icw [ms] 25 25 25 25 25 25

1) Ics : 50kA for 400V…440V voltage; 2) Total clearing time is the sum of breaking time and trip time

Dimensions and weight
Dimensions H - Fixed/Withdrawable [mm] 371/425 371/425
D - Fixed/Withdrawable [mm] 277/390 277/390
W - Fixed 3p/4p [mm] 384/510 762/888/1014
W - Withdrawable 3p/4p [mm] 425/551 803/929/1069
Weights (CB with trip unit/ Fixed 3p/4p kg 58/73 112/127/143
current sensors/standard Withdrawable 3p/4p 114/140 211/237/237
accessories)
including fixed part
SACE Emax 3 E1.3 E2.3 E4.3 E6.3
Mechanical life with regular [Iu] 1600 1600 2500 < 2500 3200 4000
maintenance prescribed by the
manufacturer [No. cycles x 1000] 20 25 20 20 20 12
Frequency [Oper./Hour] 60 60 60 60 60 60
Electrical life with regular 440 V [No. cycles x 1000] 8 12 8 10 7 4
maintenance prescribed by the 690 V [No. cycles x 1000] 6,5 10 7 10 7 4
manufacturer
Frequency [Oper./Hour] 30 30 30 20 20 10

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