1. Product Lineup …………………………………………… 2 2. Comparison of Previous and New Models ……………… 3 3. Replacement of Previous Models with New Models …… 6 4. Compatibility of Optional Accessories …………………… 9 5. Outline Dimensions of Previous and New Models ……… 12 (30 to 250A Frame) Comparison of Previous and New Models MOLDED-CASE CIRCUIT BREAKERS & EARTH-LEAKAGE CIRCUIT BREAKERS MOLDED-CASE CIRCUIT BREAKERS & EARTH-LEAKAGE CIRCUIT BREAKERS
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Comparison of Previous and New Models - Mitsubishi …. Comparison of Previous and New Models Series Previous W & WS Series New WS-V Series Differences in dimensions and performance
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1. Product Lineup …………………………………………… 2
2. Comparison of Previous and New Models……………… 3
3. Replacement of Previous Models with New Models …… 6
4. Compatibility of Optional Accessories…………………… 9
5. Outline Dimensions of Previous and New Models……… 12
Series Previous W & WS Series New WS-V Series Differences in dimensions and performance between previous and new models
NF-C
NF63-CW NF63-CV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsChange to running on both AC/DCIncrease in breaking capacity
NF125-CW NF125-CV No changes in dimensions and performance
NF250-CW NF250-CVSame dimensionChange in instantaneous value of 250 A rated model (from 10 times to 12 times ± 20%)Increase in breaking capacity
NF-S
NF32-SW NF32-SV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsChange to running on both AC/DCIncrease in breaking capacity
NF63-SW NF63-SV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsChange to running on both AC/DCIncrease in breaking capacity
NF125-SW NF125-SVSame dimensionIncrease in breaking capacityCapable of breaking 690 V AC
NF125-SGW RT NF125-SGVChange in depth (from 86 mm to 68 mm)Change in rated current adjustable rangeAdjustable instantaneous value ➞ Unadjustable
NF125-SGW RE NF125-SEV Change in depth (from 86 mm to 68 mm)
NF160-SW NF250-SV 125 150 160A Addition of 160 A model
NF160-SGW RT NF160-SGV Change in depth (from 86 mm to 68 mm)Adjustable instantaneous value ➞ Unadjustable
NF160-SGW RE NF250-SEV 80-160A Change in depth (from 86 mm to 68 mm)Addition of 80-160 A model
NF250-SW NF250-SV
Same dimensionChange in instantaneous value of 250 A rated model (from 10 times to 12 times ± 20%)Increase in breaking capacityCapable of breaking 690 V AC
NF250-SGW RT NF250-SGV Change in depth (from 86 mm to 68 mm)Adjustable instantaneous value ➞ Unadjustable
NF250-SGW RE NF250-SEV Change in depth (from 86 mm to 68 mm)
− 2 −
Series Previous W & WS Series New WS-V Series Differences in dimensions and performance between previous and new models
NF-H
NF63-HW NF63-HV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsChange to running on both AC/DCIncrease in breaking capacity
NF125-HW NF125-HVSame dimensionApplicable to rated current of 125 AIncrease in breaking capacity
NF125-HGW RT NF125-HGV
Change in depth (from 86 mm to 68 mm)Change in rated current adjustable rangeAdjustable instantaneous value ➞ UnadjustableDecrease in breaking capacity at 690 V AC
NF125-HGW RE NF125-HEV Change in depth (from 86 mm to 68 mm)Decrease in breaking capacity at 690 V AC
NF160-HW NF250-HV 125 150 160A Addition of 160 A model
NF160-HGW RT NF160-HGVChange in depth (from 86 mm to 68 mm)Adjustable instantaneous value ➞ UnadjustableDecrease in breaking capacity at 690 V AC
NF160-HGW RE NF250-HEV 80-160AAddition of 80-160 A modelChange in depth (from 86 mm to 68 mm)Decrease in breaking capacity at 690 V AC
NF250-HW NF250-HVSame dimensionApplicable to rated current of 250 A (instantaneous value = 12 times ± 20%)Increase in breaking capacity
NF250-HGW RT NF250-HGVChange in depth (from 86 mm to 68 mm)Adjustable instantaneous value ➞ UnadjustableDecrease in breaking capacity at 690 V AC
NF250-HGW RE NF250-HEV Change in depth (from 86 mm to 68 mm)Decrease in breaking capacity at 690 V AC
NF-U
NF125-RGW RT NF125-RGV
Changes in dimensions (height: from 240 mm to 165 mm, depth: from 86 mm to 68 mm)Change in rated current adjustable rangeApplicable to rated current of 125 AIncrease in breaking capacity at 415 V AC or lessRated working voltage of below 500 V AC
NF125-UGW RT NF125-UGV
Change in depth (from 86 mm to 68 mm)Change in rated current adjustable rangeApplicable to rated current of 125 ADecrease in breaking capacity at 690 V AC
NF250-RGW RT NF250-RGV
Changes in dimensions (height: from 240 mm to 165 mm, depth: from 86 mm to 68 mm)Applicable to rated current of 250 AIncrease in breaking capacity at 415 V AC or lessRated working voltage of below 500 V AC
NF250-UGW RT NF250-UGVChange in depth (from 86 mm to 68 mm)Applicable to rated current of 250 ADecrease in breaking capacity at 690 V AC
NV-C
NV63-CW NV63-CV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
NV125-CW NV125-CV No changes in dimensions and performance
NV250-CW NV250-CV Same dimensionIncrease in breaking capacity
− 3 −
Series Previous W & WS Series New WS-V Series Differences in dimensions and performance between previous and new models
NV-S
NV32-SW NV32-SV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
NV63-SW NV63-SV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
NV125-SW NV125-SV Same dimensionIncrease in breaking capacity
NV250-SW NV250-SV Same dimensionIncrease in breaking capacity
NV250-SEW NV250-SEVSame dimensionApplicable to rated current of 250 AIncrease in breaking capacity
NV-H
NV63-HW NV63-HV
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
NV125-HW NV125-HVSame dimensionApplicable to rated current of 125 AIncrease in breaking capacity
NV250-HW NV250-HVSame dimensionApplicable to rated current of 250 AIncrease in breaking capacity
NV250-HEW NV250-HEVSame dimensionApplicable to rated current of 250 AIncrease in breaking capacity
MB
MB50-CW NF63-CV (Note)
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
MB30-SW NF32-SV (Note)
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
MB50-SW NF63-SV (Note)
Same dimensionChange of tripping method (from hydraulicmagnetic to thermal magnetic)Changes in operating characteristicsIncrease in breaking capacity
MB100-SW NF125-SV (Note) Same dimensionIncrease in breaking capacity
MB225-SW NF250-SV (Note) Same dimensions and characteristicsIncrease in breaking capacity
Note: The circuit breakers for motor protection have the same basic model names as NF/NV.
● New models
Model name Remarks
NF125-LGV, NF160-LGV, NF250-LGV Thermally adjustable models having breaking capacity of 50 kA at 440 V AC are newly introduced.
NV125-SEV, NV125-HEV Electronic breakers
− 4 −
3. Replacement of Previous Models with New Models(1) Circuit breaker body (front connection, with 3 poles)
Note: The circuit breakers for motor protection have the same basic model names as NF.
− 11 −
Wire size applicable to direct connection of wireφ1.6 22 mm2
CL
CL
LC
LC
22
Neutral pole
Insulating barrier(removable)
Mounting hole
Tripbutton
25
50 50
75
25
75
10050
130
111
12.5 max.
6
φ5.5(φ6.5 for 60 A and 63 A)
LC
CL
CLCLBreaker
Drilling plan
M4 × 0.7 screw or φ5 hole
2525
111
5084
24
45
φ8.5
61
68
724
90
M5 × 0.8 screw(M6 screw for 60 A and 63 A)
φ4.5
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
LC
CL LC LC
φ14
Breaker
M4 × 0.7 screw or φ5 hole
Drilling plan
111
25
25
75
25
5025
27 min.
8
72
68
42
111
8
50
Mounting plate t = 3.2 max.
Insulating tube
M6 screw
M4 × 0.7 screw for breaker mounting
LC
LC
Front-panel cutout
1.0 mm clearance on each side of the handle frame
CL
CL
50
2-pole
3-pole
CLLC
22.5
70
52
4-pole
Breaker
CL LC LC
Center of circuit breaker body
Drilling plan
Breaker (plug-in terminal block)
M5 × 0.8 screw or φ6 hole
54
5454
80
57 82
25
107
50
Conductor drilling drawing
4-pole3-pole
5080
7525
105
111
55
25
16.5 max.
7
φ6.5
LC11
Plug-in terminal block
Mounting plate
Details of terminal
M6 screw
M5 × 0.8 screwMounting with terminal block mounting nut or mounting directly with screw
3
180
83.5
85
30
21
89
5.5 15.5
10
R1
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole2-pole
Molded-case circuit breakers
Previous W & WS SeriesNF32-SW, NF63-CW, NF63-SW, NF63-HW,MB30-SW, MB50-CW, MB50-SW
Front connection
Rear connection
Plug-in
− 12 −
42 (44 for 60 A and 63 A)
21
3089
11
7
16.5 max.
57 82
25 50
107
5480
54
5483.5
85
170
116
80
50
25
55
105
75
25
5.5
φ6.5
8
Mounting plate t = 3.2 max.
Insulating tube
50
22.5φ14
70
52
R1
111
25
25
75
25
5025
50
4268
72
8
27 min.
27 min.
112
112
Mounting hole
22
25
50
50
75
25
75
100
5013
0
Insulating barrier (removable)
Neutral pole
Trip button
8
φ8.5 45
5084
24
61
68
724
90
12.5 max.
φ4.5
φ5.5(φ8.5 for 60 A and 63 A)
(16 max. for 60 A and 63 A)
(31 min. for 60 A and 63 A)
(29 min. for 60 A and 63 A)
(46 for 60 A and 63 A)
M5 × 0.8 screw (M8 screw for 60 A and 63 A)
(Conductor thickness t = 5 max.)
Conductor drilling for direct connection
2525
111
BreakerM4 × 0.7 screw or φ5 hole
Breaker
M4 × 0.7 screw or φ5 hole
M6 screwM4 × 0.7 screw for breaker mounting
Drilling plan Front-panel cutout
1.0 mm clearance on each side of the handle frame
2-pole
3-pole
4-pole
Breaker
Breaker (plug-in terminal block)
M5 × 0.8 screw or φ6 hole
4-pole3-pole
Plug-in terminal block
Mounting plate
M6 screw
M5 × 0.8 screw for mounting terminal block
Wire size applicable to direct connection of wireφ1.6 22mm2
(For M5 × 0.8 screw)
Drilling plan
Drilling plan
Details of terminal Conductor drilling drawing
Molded-case circuit breakers
New WS-V SeriesNF32-SV, NF63-CV, NF63-SV, NF63-HV
Front connection
Rear connection
Plug-in
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole
2-pole2-pole
3-pole 4-pole
2-pole 3-pole 4-pole
112
− 13 −
25
6
12.5 max.
90
4 72
68
61
φ8.5
φ4.5
45
24
84
75
50
22
111
130
111
50
Mounting hole
Insulating barrier (removable)
Sensitivity current switching unit
Earth-leakage indicating button
Test button
Trip button
M5 × 0.8 screw (M6 screw for 60 A and 63 A)
φ5.5(φ6.5 for 60 A and 63 A)
Wire size applicable to direct connection of wireφ1.6 22 mm2
Breaker
M4 × 0.7 screw or φ5 hole
Drilling plan
LC
LC
LC
LC
27 min.
8
72
68
42
111
8
50
50
25
111
Mounting plate t = 3.2 max.
Insulating tube
M6 screw
M4 × 0.7 screw for breaker mounting
φ14
M4 × 0.7 screw or φ5 hole
Breaker
Drilling plan
LC
LC
LC
LC
52
70
Breaker
Front-panel cutout
1.0 mm clearance on each side of the handle frame
R1
LC
LC
10
15.5
5.5
89
21
30
85
83.5 18
0
3
7
16.5 max.
111
80
50
25
82
8054
54
54
11
Plug-in terminal block
Mounting plate
M5 × 0.8 screwMounting with terminal block mounting nut or mounting directly with screw
M6 screw
φ6.5
Conductor drilling drawing
M5 × 0.8 screw or φ6 hole
Breaker (plug-in terminal block)
Center of circuit breaker body
Drilling plan
LC
LC
50
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
Details of terminal
Earth-leakage circuit breakers
Previous W & WS SeriesNV32-SW, NV63-CW, NV63-SW, NV63-HW
Front connection
Rear connection
Plug-in
− 14 −
112
8
72
68 42
50
50
25
R1
52
70φ14
φ4.5
25
90
4 72
68
61
24
8475
50
22
50
φ6.5
111
130
112
50
8
5.5
50
80
116
170
85
54
5480
54
25
82
7
11
89 30
21
8
45
φ8.5 12.5 max.
(16 max. for 60 A and 63 A)
Mounting hole
Insulating barrier (removable)
Sensitivity current switching unit
Earth-leakage indicating button
Test button
Tripbutton
M5 × 0.8 screw (M8 screw for 60 A and 63 A)
φ5.5 (φ8.5 for 60 A and 63 A)
Breaker
M4 × 0.7 screw or φ5 hole
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
27 min.
Mounting plate t = 3.2 max. Insulating tube
M6 screw
M4 × 0.7 screw for breaker mounting
M4 × 0.7 screw or φ5 hole
Breaker
Drilling plan
Drilling plan
Breaker
1.0 mm clearance on each side of the handle frame
Front-panel cutout
16.5 max.
Plug-in terminal block
Mounting plate
M6 screw
Conductor drilling drawing
M5 × 0.8 screw or φ6 hole
Breaker (plug-in terminal block)
Drilling plan
83.5
M5 × 0.8 screw for mounting terminal block
Details of terminal
Earth-leakage circuit breakers
New WS-V SeriesNV32-SV, NV63-CV, NV63-SV, NV63-HV
Front connection
Rear connection
Plug-in
Wire size applicable to direct connection of wireφ1.6 22 mm2
(For M5 × 0.8 screw)
111
112
− 15 −
CL
LC
LC
CL
50Neutral pole
30
90
120
112
130
60
30
90
60
22
Tripbutton
Insulating barrier(removable)
Mounting hole
CLLCLC
LC
30
110-
111
(Not
e 1)
30
Breaker
Drilling plan
M4 × 0.7 screw or φ5 hole
24
84 50
68
61
45
724
90
φ8.5
8
M8 screw
19 max. (comb-like conductor: 16.5 max.)
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
φ8.5
φ4.5
CL
102
15
72
68
8.5
2.5
15
54.5
104.5
15
2.5
16
112
Mounting plate t = 3.2 max. Stud rotatable by 90°
Insulating tube
Connecting allowance
M8 bolt
90
8
60
5
Insulating tube
M4 × 0.7 screw for breaker mounting
LCCL
CL
LC
3011
0-11
1 (N
ote
1)
90
3011
230
60
30
M4 × 0.7 screw or φ5 hole
Breaker
Drilling plan
φ18
LC
LCLC
LC
28
57 86
52
Breaker
R1 R1
CL
8912.5
Plug-in terminal block
Mounting plate
98 190
11
21
30
5.5 20
Details of terminal
M8 screw
M5 × 0.8 screwMounting with terminal block mounting nut or mounting directly with screw
Drilling plan
CL
LC CL CL
Breaker (plug-in terminal block)
54 9456
56
127
6030
9767
M5 × 0.8 screw or φ6 hole
30
95
60
125
90
30
65
16.5 max.
12
φ8.5
Conductor drilling drawing
134
2-pole
3-pole 4-pole
Front-panel cutout
1.0 mm clearance on each side of the handle frame
Molded-case circuit breakers
Previous W & WS SeriesNF125-CW, NF125-SW, NF125-HW,MB100-SW
Front connection
Rear connection
Plug-in
Note (1) Applicable to both mounting sizes 110 and 111Remarks: 1. 2-pole model of NF125-HW are 3-pole model with the central pole removed.
2. Only 2- and 3-pole models are available for the model of NF125- CW and only 3-pole models are available for the model of MB100-SW.
2-pole 3-pole 4-pole
2-pole
3-pole 4-pole
2-pole
2-pole
3-pole 4-pole
3-pole 4-pole
2-pole
3-pole
4-pole
2-pole 3-pole
4-pole
Solderless terminalfor wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 16 −
Drilling plan
111
111
8
φ8.5
φ8.5
φ18
φ4.5
R1R1
30
50
90
30
90
120
28
90
3011
2
30
112
130
102
52
15
72
68
8.5
2.5
15
54.5
104.5
15
2.5
16
112
60
5
30 57 86
52
60
30
60
30
90
60
22
24
84 50
68
61
45
724
90
8
30
5.5
83.5
85
170
12
3089
21
11
54 8056
56
67 97 127
60
95
30
65
116
30
90
125
Mounting hole
Insulating barrier(removable)
Tripbutton
Neutral pole
M8 screw
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
Drilling plan
M4 × 0.7 screw or φ5 hole
19 max. (comb-like conductor: 16.5 max.)
Breaker
BreakerBreaker
Front-panel cutout
M4 × 0.7 screw or φ5 hole
Drilling plan
M4 × 0.7 screw for breaker mounting
Insulating tube
Mounting plate t = 3.2 max.
Insulating tube
Stud rotatable by 90°
Connecting allowance
M8 bolt
Breaker (plug-in terminal block)
M5 × 0.8 screwor φ6 hole
φ8.5
Conductor drillingdrawing
20 max.
Details of terminal
Plug-in terminal block
Mounting plate
M5 × 0.8 screwMounting with terminal block mounting nut or mounting directly with screw
M8 screw
1.0 mm clearance on each side of the handle frame
2-pole
2-pole
3-pole
3-pole
4-pole
4-pole
2-pole
3-pole
4-pole2-pole 3-pole
4-pole
Molded-case circuit breakers
New WS-V SeriesNF125-CV, NF125-SV, NF125-HV
Front connection
Rear connection
Plug-in
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole
2-pole 3-pole 4-pole
Remarks: 1. 2-pole model of NF125-SV are 3-pole models with the central pole removed. 2. Only 2- and 3-pole models are available for the model of NF125-CV.
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 17 −
CLLC
LC
3030
Breaker
Drilling plan
M4 × 0.7 screw or φ5 hole
CL
LC
LC
Tripbutton
Tripbutton
Operating time changing unit (time delay type)
Sensitivity current switching unit
Test button
Earth-leakage indicating button
120
90
30 Neutral pole
Earth-leakage indicating button
Test button
Sensitivity current switching unit
Operating time changing unit
130
112
50
90
60
22
Insulating barrier(removable)
Mountinghole
24
84 50
68
61
45
724
90
φ8.5
M8 screw
19 max. (comb-like conductor: 16.5 max.)
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
φ8.5
φ4.5
8CL
102
52
Connecting allowance 15
72
68
8.5
2.5
15
54.5
104.5
15
2.5
16
112
Mounting plate t = 3.2 max.
Stud rotatable by 90°
Insulating tube
M8 bolt
90
60
5
8
Insulating tube
M4 × 0.7 screw for breaker mounting
LCCL
CL
110-
111(
Not
e 1)
30
30
90
112
60
30
M4 × 0.7 screw or φ5 hole
Breaker
Drilling plan
φ18
LC
LC
LC
28
Breaker
52
86
R1
12.5
5.5 20
Details of terminal
16.5 max.
12
φ8.5
Conductor drillingdrawing
CL
89
Plug-in terminal block
Mounting plate
98 190
11
21
30M8 screw
M5 × 0.8 screwMounting with terminal block mounting nut or mounting directly with screw
LC
Drilling plan
CL CL
Breaker (plug-in terminal block)
54 9456
56
127
6030
97
M5 × 0.8 screw or φ6 hole
30
125
90
95
60
134
Note (1) Applicable to both mounting sizes 110 and 111Remark: NV125-CW is available in 3-pole only.
110-
111
(Not
e 1)
Front-panel cutout
1.0 mm clearance on each side of the handle frame
Earth-leakage circuit breakers
Previous W & WS SeriesNV125-CW, NV125-SW, NV125-HW
Front connection
Rear connection
Plug-in
3-pole
4-pole
3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole
3-pole
4-pole
4-pole
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 18 −
111
111
8
19 max.
(comb-like conductor: 16.5 max.)
50
112
130
φ18
R1
30
50
90
30
90
120
28
90
30
112
30
112
130
102
52
72
68
8.5
2.5
15
54.5
104.5
15
2.5
16
112
60
5
86
52
60
30
90
60
22
24
84 50
68
61
45
724
90
8
30
5.5
83.5
85
170
12
3089
21
11
54 8054
54
97 127φ8.5
60
95
116
30
90
125
Connecting allowance 15
Drilling plan
Breaker (plug-in terminal block)
M5 × 0.8 screw or φ6 hole
20 max.
Conductor drilling drawingDetails of terminal
Plug-in terminal block
Mounting plate
M8 screw
M5 × 0.8 screwMounting with terminal blockmounting nut or mounting directly with screw
Breaker
Drilling plan
M4 × 0.7 screw or φ5 hole
3-pole
Tripbutton
Operating time changing unit (time delay type)
4-pole
Neutral pole
Earth-leakage indicating button
Test button
Sensitivity current switching unit
Insulating barrier (removable)
Mounting hole
φ8.5
M8 screw
Conductor drilling for direct connection
(Conductor thickness t = 5 max.)
φ8.5
φ4.5
Breaker
Insulating tube
M4 × 0.7 screw for breaker mounting
M4 × 0.7 screw or φ5 hole
Breaker
Drilling plan
Mounting plate t = 3.2 max. Stud rotatable by 90°
Insulating tube
M8 bolt
Front-panel cutout
1.0 mm clearance on each side of the handle frame
Remark: NV125-CV is available in 3-pole only.
Earth-leakage circuit breakers
New WS-V SeriesNV125-CV, NV125-SV, NV125-HV
Front connection
Rear connection
Plug-in
3-pole
4-pole
3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 19 −
Molded-case circuit breakers
Previous W & WS SeriesNF250-CW, NF250-SW, NF250-HW,MB225-SW
Front connection
Rear connection
Plug-in
105
102
50
61
68
45
724
92
24
70
22
23 max.
10
35
φ4.5
φ8.5
35
126
140
105
35
100
100
165
144
Neutral pole
Breaker
M4 × 0.7 screw or φ5 hole
Drilling plan
Mounting hole
Insulating barrier(removable)
Tripbutton
M8 bolt with hexagon hole
φ8.5
CL
CLLC
CL CL
CL
Conductor drilling for direct connection
(Conductor thickness t = 7 max.)
15
15
22
20
144
70
35
φ24
68
72
71
106
8
6
105
70
35
105
35
126
144
Drilling plan
M4 × 0.7 screw or φ5 hole
Breaker
M4 × 0.7 screw for breaker mounting
Insulating tubeφ9M8 bolt
Connecting allowance
Insulating tube
Stud rotatable by 90°Mounting plate t = 3.2 max.
CL CL
LCLC
32.5
52
100
Breaker
LCCL
CL R1
86
200
18
32
144
34.5
28
20
70
105
153
6
14
70
107
70
15
22
φ7
58.5
58.5
8054
142
105
Studs can be installed in this direction only.
Insulating barrier
M6 screw for mounting terminal block
Mounting plate Plug-in terminal block
Connecting allowance
φ9M8 bolt
Drilling plan
Breaker (plug-in terminal block)
CL CL
CLCL
LC
3-pole 4-pole
3-pole 4-pole
Front-panel cutout
1.0 mm clearance on each side of the handle frame
Remarks: 1. 2-pole models are 3-pole models with the central pole removed. 2. Only 2- and 3-pole models are available for the model of NF250-CW and only 3-pole models are available for the model of MB225-SW.
3-pole
4-pole
3-pole 4-pole
3-pole4-pole
3-pole 4-pole
3-pole
4-pole
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 20 −
105
102
50
61
68
45
724
92
24
70
22
25 max.
9
35
φ4.5
φ8.5
35
126
140
105
35
100
100
165
144
Neutral pole
Breaker
M4 × 0.7 screw or φ5 hole
Drilling plan
Mounting hole
Insulating barrier(removable)
Tripbutton
M8 bolt with hexagon hole
φ8.5
Conductor drilling for direct connection
(Conductor thickness t = 7 max.)
15
15
22 20
144
70
35
φ24
68
72
71
106
8
6
105
70
105
35
126
144
Drilling plan
M4 × 0.7 screw or φ5 hole
Breaker
M4 × 0.7 screw for breaker mounting
Insulating tubeφ9M8 bolt
Connecting allowance
Insulating tube
Stud rotatable by 90°Mounting plate t = 3.2 max.
32.5
52
100
Breaker
1.0 mm clearance on each side of the handle frame
Front-panel cutout
R1
89
112
190
165
21
30
31
144
34.5
28 20
3-pole 70
4-pole 105
3-pole 105
4-pole 140
1516
11
70
107
70
15
24
56.5
56.5
8054
142
105
Studs can be installed in this direction only.
Insulating barrier
Mounting plate
Plug-in terminal block
Connecting allowance
φ9M8 bolt
Drilling plan
Breaker (plug-in terminal block)
4-pole 145
3-pole 110
35
M5 × 0.8 screw or φ6 hole
M5 screw for mounting terminal block
or
C1
C1
10
25 max.
φ8.5
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
Molded-case circuit breakers
New WS-V SeriesNF250-CV, NF250-SV, NF250-HV
Front connection
Rear connection
Plug-in
3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole
4-pole
3-pole 4-pole
Remarks: 1. 2-pole models are 3-pole models with the central pole removed. 2. Only 2- and 3-pole models are available for the model of NF250-CV.
− 21 −
Earth-leakage circuit breakers
Previous W & WS SeriesNV250-CW, NV250-SW, NV250-HW
Front connection
Rear connection
Plug-in
Drilling plan
M4 × 0.7 screw or φ5 hole
Breaker
126
3535
LC
LC
LC
Test button
Operating time changing unit (time delay type)
Sensitivity current switching unit
Earth-leakage indicating button
Test button
105
70
Insulating barrier(removable)
Mountinghole
Tripbutton
Operating time changing unit (time delay type)
Sensitivity current switching unit
Earth-leakage indicating button
Neutral pole
144
165
100
100
35
105
140
LC
CL
LC
22
φ8.5
M8 bolt with hexagon hole
φ8.5
φ4.5
10
24
92
4 72
45
68
61
50102
23 max.
Conductor drilling for direct connection
(Conductor thickness t = 7 max.)
Breaker
M4 × 0.7 screw or φ5 hole
Drilling plan
144
126
35
105
35φ2435
70
CL CL
LCLC
Mounting plate t = 3.2 max.
Stud rotatable by 90°
Insulating tube
φ9M8 bolt
Insulating tube
M4 × 0.7 screw for breaker mounting
70
105
6
8
106
71
72
68
144
20
Connecting allowance 22
15
15
1.0 mm clearance on each side of the handle frame
Breaker
100
52
32.5
LC
LCCL
R1
φ9M8 bolt
Insulating barrier
Studs can be installed in this direction only.
15
70
153
70
105
20
LC Breaker (plug-in terminal block)
Drilling plan
105
142
54 8058
.558
.5
φ7107
70
CLLC
LC
Plug-in terminal blockMounting plate
M6 screw for mounting terminal block
14
6
2834
.514
4
32
18
200
86
LC
4-pole3-pole
Front-panel cutout
22 C
onne
ctin
g al
low
ance
Remark: NV250-CW are available in 3-pole only.
3-pole
4-pole3-pole
4-pole
3-pole 4-pole
3-pole4-pole
3-pole 4-pole
3-pole 4-pole
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
− 22 −
100
144
165
15
105
102
50
61
68
45
724
92
24
70
22
9
φ8.5
15
20
144
70
35
35
φ24
φ4.5
68
72
71
106
φ8.5
35
126
140
105
35
100
100
165
144
8
6
105
70
35
105
35
126
144
32.5
R1
52
100
8056
.556
.5
107 142
34.5
2814
4
6
21
89
112
190 11165
30
31
20
151
70
24 C
onne
ctin
g al
low
ance
15
54
70 105
25 max.
Breaker
Breaker
Drilling plan
M4 × 0.7 screw or φ5 hole
Insulating tube
M4 × 0.7 screw for breaker mounting
Test button
Insulating barrier (removable)Mounting hole
Tripbutton
Operating time changing unit (time delay type)
Sensitivity current switching unitEarth-leakage indicating button
Neutral pole
M8 bolt with hexagon hole
Conductor drilling for direct connection
(Conductor thickness t = 7 max.)
Mounting plate t = 3.2 max.
Stud rotatable by 90°
Insulating tube
φ9M8 bolt
Connecting allowance 22
M4 × 0.7 screw or φ5 hole
M5 × 0.8 screw or φ6 hole
Drilling plan Front-panel cutout
1.0 mm clearance on each side of the handle frame
Breaker
Plug-in terminal blockMounting plate
φ9M8 bolt
Insulating barrier Studs can be installed in this direction only.
4-pole 145
4-pole 105
3-pole 110
3-pole 70
4-pole 140
3-pole 105Drilling plan
M5 screw for mounting terminal block
Remark: NV250-CV are available in 3-pole only.
Earth-leakage circuit breakers
New WS-V SeriesNV250-CV, NV250-SV, NV250-HV
Front connection
Rear connection
Plug-in
3-pole
4-pole
3-pole 4-pole
3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
or
C1
C1
10
25 max.
φ8.5
− 23 −
NV250-SEW, NV250-HEW
Front connection
Rear connection
Plug-in
Insulating barrier
22 C
onne
ctin
g al
low
ance
15
153
20
70
105
70
φ9M8 bolt
Studs can be installed in this direction only.
Breaker (plug-in terminal block)
Drilling plan
Plug-in terminal blockMounting plate
105
142
54 8058
.558
.5
φ7
107
70
14
6
2834
.514
4
32
18
200
86
(Note) To change the settings, open the upper cover.
Current indicating LED OVER PAL 70%
Overcurrent test connector
(Conductor thickness t = 7 max.)
φ8.5
M8 bolt with hexagon hole
Tripbutton
Mounting hole
Drilling plan
Breaker
Neutral pole
144
165
100
100
35
105
140
126
35φ8.5
φ4.5
35
10
23 max.
22
70
24
92
4 72
45
68
61
50
102
(Upp
er co
ver)
105
Earth-leakage test button
Tripping characteristic switching unit
Sensitivity current switching unit
Earth-leakage indicating button
Operating time changing unit (time delay type)
Insulating barrier (removable)
M4 × 0.7 screw or φ5 hole
Conductor drilling for direct connection
Breaker3-pole
4-pole
100
52
32.5
R1
Insulating tube
22 Connecting allowance
φ9M8 bolt Insulating tube
M4 × 0.7 screw for breaker mounting
Breaker
Drilling plan
144
126
35
105
35
70
105
6
8
106
71
72
68
φ24
35
70
144
20
15
15 M4 × 0.7 screw or φ5 hole
Stud rotatable by 90°Mounting plate t = 3.2 max.
3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole
4-pole
1.0 mm clearance on each side of the
handle frame
Front-panel cutout
M6 screw for mounting terminal block
Solderless terminal for wire size125~175A 14~95mm2
200~250A 70~125mm2
Wire connection
Earth-leakage circuit breakers
Previous W & WS Series
− 24 −
NV250-SEV, NV250-HEV
Front connection
Rear connection
Plug-in
165
165
100
144
144
100
Tripping characteristic switching unit
Test button
Sensitivity current switching unit
Earth-leakage indicating button
25 max.
M8 bolt with hexagon hole
105
102
50
61
68
45
724
92
24
70
22
9
φ8.5
35
Mounting hole
(Conductor thickness t = 7 max.)
Breaker
φ4.5
φ8.5
35
126
140
105
35
100
Neutral pole
Tripbutton
Operating time changing unit (time delay type)
Insulating barrier (removable)
Conductor drilling for direct connection Drilling plan
M4 × 0.7 screw or φ5 hole
Breaker
32.5
52
100
R1
Stud rotatable by 90°
15
15
20 144
70
35
Mounting plate t = 3.2 max.
Insulating tube
22 Connecting allowance
φ9M8 bolt
M4 × 0.7 screw for breaker mounting
φ24
68
72
71
106
Insulating tube
8
6
105
70
35
105
35
126
144
Breaker
Drilling plan
M4 × 0.7 screw or φ5 hole
Front-panel cutout4-pole 140
4-pole 105
8056
.556
.5
107 142
34.5
2814
4
6
21
89
112
190
11165
30
31
20
3-pole 70
151
70
24 C
onne
ctin
g al
low
ance
15
3-pole 105
54
70
Plug-in terminal block
Mounting plate
105
Insulating barrier
M5 × 0.8 screw or φ6 hole
φ9M8 bolt
Studs can be installed in this direction only.
4-pole 145
3-pole 110
M5 screw for mounting terminal block
3-pole
4-pole 3-pole
4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
3-pole 4-pole
1.0 mm clearance on each side of the
handle frame
Front-panel cutout
Earth-leakage circuit breakers
New WS-V Series
or
C1
C1
10
25 max.
φ8.5
Solderless terminal for wire size125~175A 14~95mm2