WS Series - autocentrated
WS Series - autocentrated
WS Series - autocentrated
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6. Characteristics and Dimensions<br />
UL489 Listed Molded-Case Circuit Breakers<br />
NF225-CWU<br />
<strong>Series</strong><br />
Group<br />
Frame size<br />
Type name<br />
Rated current In (Amp.)<br />
at ambient temperature 40°C (IEC30°C)<br />
C series<br />
<strong>WS</strong>S G3<br />
225<br />
NF225-CWU<br />
125 150 175<br />
200 225<br />
Type NF225-CWU<br />
Number of poles 3<br />
Rated short-circuit braking<br />
capacities (kA)<br />
UL489<br />
IEC60947-2<br />
JIS C 8201-2<br />
(Icu/Ics)<br />
Standard attached parts<br />
Rated voltage (AC V)<br />
AC<br />
240V<br />
Rated insulation voltage Ui (V)<br />
AC<br />
DC<br />
500V<br />
440V<br />
400V<br />
230V<br />
250V<br />
240<br />
35<br />
600<br />
10/5<br />
15/8<br />
18/9<br />
35/18<br />
10/5 (*1)<br />
Mounting screw: M4×0.7×55 (2pcs)<br />
Insulation barrier: (4pcs),<br />
Terminal cover: (1 set), (*2)<br />
Insulation board: (1pc)<br />
Notes: (*1) Use either two poles. When wired as shown at the bottom of page 13, the models can<br />
be used for up to 400 V DC.<br />
(*2) The standard configuration contains a protection cover and adopts the IP20 (finger<br />
protection) structure.<br />
■Operating Characteristics<br />
4h<br />
2h<br />
1h<br />
30min<br />
20min<br />
14min<br />
10min<br />
NF225-CWU<br />
6min<br />
4min<br />
Operating time<br />
2min<br />
1min<br />
30s<br />
20s<br />
10s<br />
5s<br />
Max.<br />
2s<br />
Min.<br />
1s<br />
0.5s<br />
0.2s<br />
0.1s<br />
Max. total<br />
breaking<br />
time<br />
0.05s<br />
0.02s<br />
0.01s<br />
1 1.35<br />
Time-delay trip<br />
Instantaneous trip<br />
2 3 4 5 6 7 10 15 20 30 40<br />
100 of Rated current<br />
■Internal Accessories<br />
■Ambient Compensating Curve<br />
Left-side<br />
mounting<br />
Operating handle<br />
Right-side<br />
mounting<br />
<br />
<br />
<br />
Lead wire<br />
direction<br />
Curreny rating (%)<br />
130<br />
120<br />
110<br />
100<br />
90<br />
Rated ambient<br />
80<br />
–10<br />
0<br />
10<br />
20<br />
30<br />
40<br />
50<br />
60<br />
Ambient temperature (°C)<br />
(rated ambient 40°C)<br />
■External Accessories<br />
Accessories<br />
Operating handle<br />
Handle lock device<br />
<br />
<br />
<br />
<br />
Type name<br />
<br />
<br />
<br />
<br />
Accessories<br />
Mechanical interlock<br />
Terminal<br />
cover<br />
Note: (*1) Attach the letter “F” to the end of designation for a fixed type.<br />
<br />
Type name<br />
<br />
<br />
59
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