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Technical
Section 9
Dimensions
Section 10
Multiclip busbar and Polybloc
Connection
systems
6
Multiclip busbar application
A fast, reliable and maintenance free method of connecting outgoing circuits.
Each connection is made in a spring front accessed connection rated at 40A.
Contact pressure of the spring is automatically adjusted to suit the cross sections
of the conductor.
Technical data
Voltage rating:
440V
Current rating:
200A at 40°C
Incoming connection:
Direct by cable lugs, connectors or flexible bars
Outgoing connection:
Provides reliable, maintenance free electrical
connecting independent of heat variations
Rapid connection and reconnection after modification
Automatic spring connections
12 connection points for each phase and 18/or neutral
Cable capacity 10mm
2
max (supplied with 24
connections)
52A max. current rating per connection
Fixing:
On Multifix rails (fixing brackets included)
By screws on all standard supports
Multifix DIN rail (Merlin Gerin patent). Multifix (length 470mm)
Rail only, drilled on each end
03004
With two fixed height mounting brackets
03001
With two adjustable height mounting brackets
03002
Polybloc 250A application
A distribution block patented by Merlin Gerin for ‘wire to wire’ connections,
it consists of: Outgoing 6 x 10mm
2
and 3 x 16mm
2
cables per phase.
Short circuit withstand current
This table indicates the short circuit withstand current (in kA rms) for various
combinations of upstream and downstream devices on a 380/415V installation.
Downstream
device
Short circuit withstand current (in kA rms), depending on upstream device
-
-
(1)
N
25
25
(1)
H
36
25
(1)
N
25
25
(1)
H
30
40
(1)
L
30
40
(1)
N
25
-
(1)
H
30
-
(1)
L
30
-
(1)
N
25
-
(1)
H
30
-
(1)
L
30
-
(1)
C120
NS100
NG125
C60H (10kA)
C120 (15kA)
Other devices
(1) Check that the peak short circuit current, limited by the downstream device, is lower than 12kA. Check that the thermal stress delivered by the downstream
device does not exceed the permissible thermal stress of the 6mm cable (4.76 x 105 A
2
s).
Type
Part number
2P Phase and Neutral
04012
3P
04013
4P 3 Phase and Neutral
04014
Symmetrical DIN rail L = 2000
th = 2.3; h = 15
06603
Asymmetrical rail L = 2000
th = 1.5; h = 15
06602
Type
Part number
Polybloc 3P
04033
Polybloc 4P
04034