Type |
Air circuit breakers (ACB) |
Number of poles |
4P |
Phase array |
Reverse phase type (N)RST |
Frame size |
4000AF |
Rated current (In) |
4000A |
Breaking capacity |
80kA |
Rated short-circuit breaking capacity (Icu) |
80kA at 380VAC |
Service breaking capacity - Ics (% Icu) |
100% |
Line voltage |
AC |
Rated voltage (Ue) |
380VAC, 400VAC, 415VAC, 440VAC, 525VAC, 690VAC |
Rated frequency |
50/60Hz |
Control circuit voltage |
220...240VAC |
Type of trip unit |
Electronic |
On/Off control type |
Motor operation |
Connection type |
Busbar terminals |
Mounting method |
Draw-out horizontal |
Overall height |
416mm |
Overall depth |
438.5mm |
Representative standard |
IEC |
Shunt trip (Sold separately) |
NXA20/63-ST-AC380/400/415VTP(R) |
Under/Over voltage trip (Sold separately) |
NXA20/40-UVT-AC380/400V TP(R), NXA20/40-UVTD-AC380/400V TP(R), NXA20/63-ASUVT-380/400/415VAC TP(R) |
Auxiliary switch (Sold separately) |
NXA20/40-OF-CO4 TP(R), NXA20/40-OF-CO5 TP(R), NXA20/40-OF-N3 TP(R), NXA20/40-OF-N4 TP(R), NXA20/40-OF-N5 TP(R) |
Mechanical interlock (Sold separately) |
NXA20/40-BOARD-ILK2 TP(R), NXA20/40-ILK2 TP(R) |
Motor charging(Sold separately) |
NXA40-MO-380V~415VAC TP(R) |