Download Merlin MT600 Specifications

®
COMPACT NS circuit breaker: dimensions, connections and wiring diagrams
Rotary operating handles
inch
mm
Dimensions
Drawout mounting (telescopic shaft)
Cut shaft at length:
P38-4.80/ 122 (NSF150/250)
P40-5.90/150 (NSJ400/600)
E21630
E29163
L14
L13
E21628
Fixed or plug-in mounted
Cut shaft at length:
P38-4.96/126 (NSF150/250)
P38-5.90/150 (NSJ400/600)
L12
60°
I
X
H24 H26
X
X
O
H25
60°
Y
P40
Z
P38
Z
E21631
Front panel cutout
45°
Note:
Door cutouts require a minimum distance between the center of the circuit breaker
and the door hinge point ∆ ≥ 3.93/100 + (h x 5).
L12
E22046
∅T7
H24
X
∅T6
h
G36
∆
G37
Y
NSF150/250N/H
NSJ400/600N/H/L
NSF150/250N/H
NSJ400/600N/H/L
NSF150/250N/H
(inch)
(mm)
(inch)
(mm)
C11
4.05
103
6.10
155
C17
1.67
42.5
1.65
42
C22
1.14
29
1.63
41.5
C23
2.99
76
4.96
126
G36
1.41
36
1.41
36
G37
2.83
72
2.83
72
G38
1.61
41
2.00
51
G39
3.93
100
5.70
145
H9
2.36
60
3.26
83
H10
4.72
120
6.29
160
H20
1.10
28
1.47
40
H23
2.87
73
4.84
123
H24
0.35
9
0.96
24.5
H25
1.47
37.5
1.47
37.5
(inch)
(mm)
(inch)
(mm)
H26
2.95
75
2.95
75
K14
1.96
50
2.85
72.5
K15
3.93
100
5.70
145
L
2.06
52.5
2.75
70
L1
4.13
105
5.51
140
L7
2.71
69
3.34
85
L8
4.72
120
6.29
160
L11
3.58
91
4.84
123
L12
0.36
9.25
0.19
5
L13
1.47
37.5
1.47
37.5
L14
2.95
75
2.95
75
L15
2.16
55
2.61
66.5
P34
4.76
121
5.70
145
P35
6.10
155
7.04
179
P36
6.14
P37
6.45
P38
P40
(inch)
P42
4.92
P43
3.50
P44
4.84
R8
2.91
R9
5.82
R14
1.90
R15
3.81
ØT6
0.16
ØT7
1.96
(mm)
156
164
125
89
123
74
148
48.5
97
4.2
50
5.86
4.40
5.78
3.54
7.08
2.53
5.07
0.16
1.96
149
112
147
90
180
64.5
129
4.2
50
7.28 min. 9.76 min.
23.6 max. 23.6 max.
185 min.
248 min.
600 max. 600 max.
NSJ400/600N/H/L
(inch)
7.08
7.40
8.22 min. 10.7 min.
23.6 max. 23.6 max.
(mm)
180
188
209 min.
272 min.
600 max. 600 max.
®
COMPACT NS circuit breaker
39