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Switch-disconnectors with fuses
Operating InstructionsOrder No.: 3 ZX1012-0KL70-1AS1
Restricted touch protection
in conformity with IEC 529, DIN 40 050 (only from the operating side)
Degree of protection IP 00, uncovered
Degree of protection IP 20, covered
Initial start-up and maintenance by qualified personnel only.
Follow the Operating Instructions
Application
The switch-disconnectors with fuses are used for switching and isolating rated operating currents up to 630 A
DC and AC.
Installation
Please refer to Fig. I for dimension drawings (dimensions in mm), to Fig. IIa for permissible mounting positions.
Please refer to Fig. IIb for mounting holes for door-coupling rotary mechanism (dimensions in mm).
Shaft length adjustment see Fig. III.
Connection
- with cable lug:
- with busbar
Connecting screws
Tightening torque
1)
Technical Data
Weight, 3-pole
Weight, 3-pole+N
Weight, 4-pole
Operating torque
Permissible ambient temperature:
- Operation
- Storage
Mechanical life (switching cycles)
Rated insulation voltage
Rated continuous current
Size of fuses
Conditional rated short-circuit current
(with fuses):
with fuses with
and with
Rated thermal currents with fuses
with
Switch-disconnector with fuses
open
Switch-disconnector with fuses
enclosed
Switching capacity at 690 V AC-23 I
Power loss of the switch-
disconnector at
2)
exceed the equipment ratings. Semiconductor fuse-links to DIN 0636 Part 23 and DIN 43620 Part 1 on request.
For further information, please refer to Catalog.
2
∅(mm
to DIN 46234
∅(mm
to DIN 46235
bar width max.
Box terminal: Wire cross-section min. 1.5 mm
2)
Permitted fuse-links: LV HRC fuse-links to DIN 0636 Part 21 and DIN 43620 Part 1. The rated operating and fuse data may not
can cause electrical shock and burns
3KL7018
3KL7030
2
1)
)
2,5 to 50
2
1)
)
10 to 25
-
19
(mm)
-
M6
2 Nm
5 Nm
2
2
, max. 25 mm
, stranded.
3KL7018
3KL7030
1,2
1,8
kg
kg
1,4
2,1
kg
1,4
2,1
3,5 Nm
4,4 Nm
20000
15000
U
i
I
50A
100A
U
14x51
22x58
210 kÂ
210 kÂ
I
50A
100A
n
U
690V
690V
n
50A
100A
I
n
I
50A
100A
th
I
50A
100A
the
50A
100A
e
I
4,5 W
7,5 W
th
DIN VDE 0660 Part 107, IEC 947-3
Warning
Hazardous Voltage
Disconnect power before proceeding
with any work on this equipment
3KL7033
3KL7042
2,5 to 50
6 to 150
10 to 25
16 to120
16 to 185
19
32
M6
M10
5 Nm
25 Nm
3KL7033
3KL7042
3KL7048
-
-
-
-
2,1
9,8
4,4 Nm
18,9 Nm
-5°C to + 40°C
-25°C to + 55°C
15000
10000
AC 690 V
125A
250A
00
0 to 1
210 kÂ
210 kÂ
125A
250A
690V
690V
125A
250A
125A
250A
115A
250A
125A
250A
12 W
33 W
plus power loss of the fuses
3KL70
English
3KL7048
3KL7054
6 to 240
25 to 240
50 to 300
50
58
M10
M14
25 Nm
50 Nm
3KL7054
-
-
-
-
9,8
21,5
18,9 Nm
47,5 Nm
10000
5000
400A
630A
1 to 2
3
105 kÂ
105 kÂ
400A
630A
690V
690V
400A
630A
400A
630A
345A
540A
400A
630A
84 W
108 W
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