Dimension diagrams
Mountings (mm)
d
b
g
f
k
c
a
e
A
g
a
d
e
c
f
b
D
d
a
e
b
c
C
d
e
f
c
b
a
B
Dimensions (mm),
Tolerance: ±0.5 mm
Type
a
b
c
d
e
f
g
A
CTUB…-CTBC20(P)
75
83
37
ø 20
46
60.5
–
CTUB…-CTBC35(P)
97
130
47
ø 35
46
61
–
B
CTUB…-CTBC60(P)
126
151
57
ø 60
56
78
–
C
CTUB…-CTBC120(P)
188
225
96
ø 120
65
96
139
CTUB…-CTBC210(P)
302
339
153
ø 210
67
113
277
D
CTUB
74
44
30
32
4.6
–
–
a
b
c
CTBC20(P), CTBC35(P)
a
b
c
CTBC60(P)
a
b
c
CTBC120(P)
…
CTBC210(P)
Type
a
b
c
CTBC20(P)
31.4
49
2 x ø 5.5
CTBC35(P)
49.8
49
2 x ø 5.5
CTBC60(P)
56
66
3 x ø 6.5
CTBC120(P)
103
81
4 x ø 6.5
CTBC210(P)
180
98
4 x ø 6.5
Assembly
Slide the electronic module onto the plug contacts of the
measuring current transformer.
2
1
i
Avoid repeated plugging and
unplugging of the electronics
(10 plugging cycles).
2
CTUB100-series_D00362_02_M_XXEN / 08.2021