Molded-case circuit breakers are used to open/close low-voltage circuits and protect wiring by automatically closing circuits when they’re overloaded or if a short-circuit occurs. We offer an economy, standard, high performance and current limiting breaker suitable for virtually every application.
Specification
Molded Case Circuit Breakers (50 -100AF)
Frame Size (A) |
50 |
100 |
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Model Number |
NF50-SMU |
NF50-SVFU |
NF100-CVFU |
NF100-SRU |
NF100-HRU |
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Stocked Item |
S |
S |
S |
S |
S |
– |
– |
– |
– |
S |
S |
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Rated Current in Amps at Ambient Temperature 40°C (IEC 30°C) |
0.5 1(1.5) 2 3 4 5(6) 7 (8) 10 13 15 20(25) 30 (35) (40) 50 |
(0.5 ) (1)(1.5) (2) (3) 4 5 (6)(7) (8) 10 13 15 20 25 30 (35) 40 50 |
(3) 5 10 15 20 30 40 50 |
60 (70) 75 (80) (90) 100 |
(1) (2) 3 5 10 15 20 (25) 30 40 50 60 (70) 75 (80) (90) 100 |
(1) (2) 3 5 10 15 20 (25) 30 40 50 60 (70) 75 (80) (90) 100 |
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Number of Poles |
1 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
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Rated Voltage |
AC (V) |
240 |
240 |
240 |
240 |
480 |
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DC (V) |
60 |
– |
– |
– |
– |
– |
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UL489 (File No. E108284) CSA C22.2 |
AC |
600Y / 347V |
– |
– |
– |
– |
– |
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480V |
– |
– |
– |
– |
18 (10) |
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480Y / 277V |
– |
– |
– |
– |
– |
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240V |
5 |
10 |
14 |
14 |
35 |
50 (25) |
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120V |
10 |
– |
– |
– |
– |
– |
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DC |
60V |
10 |
– |
– |
– |
– |
– |
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Rated Insulation Voltage (Ui) V |
440 |
440 |
600 |
500 |
500 |
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JIS C IEC60947-2 EN60947-2 (Icu/Ics) |
AC |
690V |
– |
– |
– |
– |
– |
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500V |
– |
– |
7.5/4 |
10/5 |
18/9 (10/5) |
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440V |
– |
7.5/4 |
10/5 |
15/8 |
25/13 (15/8) |
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415V |
– |
10/5 |
10/5 |
15/8 |
25/13 (15/8) |
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400V |
– |
10/7.5 |
10/5 |
10/5 |
15/8 |
25/13 (15/8) |
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380V |
– |
10/5 |
10/5 |
– |
– |
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230V |
10/7.5 |
10/7.5 |
15/8 |
15/8 |
35/18 (25/13) |
50/25 (25/13) |
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DC |
250V |
– |
– |
– |
– |
– |
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60V |
10/7.5 |
– |
– |
– |
– |
– |
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Overall Dimensions mm (in) |
Width |
18 |
36 |
54 |
36 |
54 |
50 |
75 |
50 |
75 |
50 |
75 |
|
Height |
124 |
120 |
150 |
120 |
120 |
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Depth |
44 |
68 |
68 |
68 |
74 |
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Depth Including Knob |
70 |
90 |
90 |
90 |
102 |
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External Handles |
F-Type |
– |
2P: F-03SVUL2 |
2P: F-05SVUL2 |
2P: F-05SRUL2 3P: F-05SRUL |
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V-Type |
– |
2P: V-03SVUL2 |
2P: V-05SVUL2 |
2P: V-05SRUL2 |
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C-Type |
3P: C1SVU |
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Handle Lock |
HL |
HLF-05SMU |
HLF-03SVU |
HLF-05SVU |
HLF-05SRU |
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HL-S |
– |
HLS-03SVU |
2P: HLS-05SVU2 |
2P: HLS-05SRU2 |
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Terminal Covers (TCL, TCS) |
– |
2P: TCL-03SVU2 |
2P: TCL-05SVU2, |
2P: TCS-05SRU2, TCL-05SRU2 |
Note: V-Type handles require a separate extension shaft, V-AD3S for 50AF to 250AF MCCB and the V-AD3L for 400AF to 630AF MCCB.
Molded Case Circuit Breakers (125 – 225AF)
Frame Size (A) |
125 |
225 |
250 |
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Model Number |
NF125-SVU |
NF125-HVU |
NF225-CWU |
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Stocked Item |
S |
S |
S |
S |
S |
S |
– |
– |
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Rated Current in Amps at Ambient Temperature 40°C (IEC 30°C) |
15 20 30 40 50 60 (70) 75 (80) (90) 100 |
125 |
15 20 30 40 50 60 (70) 75 (80)(90) 100 |
125 |
125 150 175 200 225 |
(250) |
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Number of Poles |
2 |
3 |
2 |
3 |
3 |
3 |
3 |
3 |
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Rated Voltage |
AC (V) |
480 |
480 |
600Y/347 |
240 |
240 |
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DC (V) |
– |
– |
– |
– |
– |
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UL489 (File No. E108284) |
AC |
600Y / 347V |
– |
– |
18 |
– |
– |
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480V |
30 |
30 |
50 |
– |
– |
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480Y / 277V |
– |
– |
– |
– |
– |
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240V |
50 |
50 |
100 |
35 |
35 |
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120V |
– |
– |
– |
– |
– |
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DC |
60V |
– |
– |
– |
– |
– |
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Rated Insulation Voltage (Ui) V |
690 |
690 |
690 |
600 |
600 |
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JIS C |
AC |
690V |
8/4 |
8/4 |
10/5 |
– |
– |
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500V |
18/9 |
18/9 |
25/13 |
10/5 |
– |
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440V |
30/15 |
30/15 |
50/25 |
15/8 |
15/8 |
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415V |
30/15 |
30/15 |
50/25 |
18/9 |
18/9 |
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400V |
30/15 |
30/15 |
50/25 |
18/9 |
18/9 |
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380V |
30/15 |
30/15 |
50/25 |
18/9 |
18/9 |
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230V |
50/25 |
50/25 |
100/25 |
35/18 |
35/18 |
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DC |
250V |
– |
– |
– |
10/5 |
10/5 |
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60V |
– |
– |
– |
– |
– |
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Overall Dimensions mm (in) |
Width |
90 |
90 |
90 |
105 |
105 |
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Height |
160 |
160 |
160 |
165 |
165 |
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Depth |
68 |
68 |
68 |
68 |
68 |
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Depth Including Knob |
90 |
90 |
90 |
92 |
92 |
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External Handles |
F-Type |
F-1SVUL |
F-2SUL |
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V-Type |
V-1SVUL |
V-2SUL |
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S-Type |
– |
S2SWU |
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C-Type |
C1SVU |
C2SWU |
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Handle Lock |
HL |
HLF-05SVU |
HLF-2SWU |
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HL-S |
HLS-05SVU |
HLS-2SWU |
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Mechanical Interlock |
– |
MI-05SWU3 |
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Terminal Cover |
TCL-1SVU3 |
TCL-2SWU3, TCL-2SWU3L |
Molded Case Circuit Breakers (250AF – 630AF)
Frame Size (A) |
250 |
400 |
630 |
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Model Number |
NF250-SVU |
NF250-HVU |
NF400-SWU |
NF400-HWU |
NF630-SWU |
NF630-HWU |
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Stocked Item |
S |
S |
S |
S |
S |
S |
S |
S |
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Rated Current in Amps at Ambient Temperature 40°C (IEC 30°C) |
125 150 175 200 225 |
250 |
125 150 175 200 225 |
250 |
250 300 350 400 |
250 300 350 400 |
500 600 630 |
500 600 630 |
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Number of Poles |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
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Rated Voltage |
AC (V) |
480 |
600Y/347 |
600Y/347 |
600Y/347 |
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DC (V) |
– |
– |
– |
– |
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UL489 (File No. E108284) |
AC |
600Y / 347V |
– |
18 |
20 |
25 |
20 |
25 |
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480V |
35 |
50 |
35 |
65 |
35 |
65 |
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480Y / 277V |
– |
– |
– |
– |
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240V |
65 |
100 |
65 |
100 |
85 |
100 |
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120V |
– |
– |
– |
– |
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DC |
60V |
– |
– |
– |
– |
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Rated Insulation Voltage (Ui) V |
690 |
690 |
690 |
690 |
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JIS C |
AC |
690V |
8/4 |
10/5 |
10/10 (5/5) |
15/10 |
10/10 |
15/10 |
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500V |
25/13 |
36/18 |
30/30 (25/25) |
42/42 |
30/30 |
42/42 |
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440V |
36/18 |
50/25 |
42/42 (36/36) |
65/65 |
42/42 |
65/65 |
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415V |
36/18 |
50/25 |
45/45 (36/36) |
70/70 |
45/45 |
70/70 |
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400V |
36/18 |
50/25 |
45/45 (36/36) |
70/70 |
45/45 |
70/70 |
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380V |
36/18 |
50/25 |
50/50 (42/42) |
70/70 |
50/50 |
70/70 |
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230V |
65/33 |
100/50 |
85/85 (65/65) |
100/100 |
85/85 |
100/100 |
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DC |
250V |
– |
– |
– |
– |
|||||
60V |
– |
– |
– |
– |
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Overall Dimensions (mm) |
Width |
105 |
105 |
140 |
210 |
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Height |
185 |
185 |
257 |
275 |
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Depth |
68 |
68 |
103 |
103 |
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Depth Including Knob |
92 |
92 |
155 |
155 |
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External Handles |
F-Type |
F-2SVUL |
F-4SUL |
F-6SUL |
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V-Type |
V-2SVUL |
V-4SUL |
V-6SUL |
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C-Type |
C2SVU |
C4SWU |
– |
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Handle Lock |
HL |
HLF-05SVU |
HL-4SWU |
HL-4SWU |
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HL-S |
HLS-2SVU |
HLS-2SVU |
– |
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Terminal Cover |
TCL-2SVU3, TCL-2SVU3L |
TCL-4SWU |
TCL-6SWU |
Note: V-Type handles require a separate extension shaft, V-AD3S for 50AF to 250AF MCCB and the V-AD3L for 400AF to 630AF MCCB