Siemens 3VT MCCBs Up To 1600A

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3VT3 Molded Case Circuit Breakers up to 630 A
Project planning aids
4/44 Siemens LV 36 · 2008
4
1) Ik = max. short-circuit current in the protected circuit (rms).
D
> 15 mm
NSO0_00260
Busbar
max. 3 mm
max. 3 mm
Flexibar
Cable
AC Ue AC Ue V 230 415 500 690
3VT3 H wired with Ik
1) kA ≤ 100 > 36 ... 65 ≤ 36 > 20 ... 35 ≤ 20 > 15 ... 20 ≤ 15
3VT3 N wired with Ik kA ≤ 60 ≤ 36 ≤ 20 ≤ 10 ≤ 15
C mm D mm
< 80 A mm 50 50 50 50 50 50 50
≥ 10 A1 mm 150 200 100 200 150 150 150
A2 mm 250 300 200 300 250 250 250
A mm 50 50 50 50 50 50 50
≥ 30 A1 mm 100 150 100 150 150 150 150
A2 mm 150 200 150 200 200 200 200
A mm 50 50 50 50 50 50 50
≥ 80 ≥ 10 A1 mm 100 150 100 150 150 150 150
A2 mm 150 200 150 200 200 200 200