Configuration
6.1 Basic knowledge for configuring
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
99
Tap-off units of size 4 (to 1250 A):
● Tap-off is carried out using a tap-off joint block in the busbar run, that is, before installing
the tap-off unit, the joint block on the trunking unit must be replaced with a tap-off joint
block.
● Tap-off units can only be used for the systems LXA05.. to LXA10.. and LXC05.. to
LXC09..
● Cannot be connected under load, that is, the LX system must be switched off-load before
installing or removing the tap-off units.
● Installing or removing the tap-off units by opening the tap-off unit, fixing on the LX
system, connecting the cable and closing the tap-off unit
● Anti-rotation feature prevents incorrect mounting
Rated currents, sizes and switching capacity
Fitting the tap-off units with 3VL circuit breakers
● High/extremely high switching capacity (H 70 kA, L 100 kA according to selection table)
for all sizes
● Circuit breakers with 3 or 4-pole designs
● Circuit breaker with manual operating mechanism
I
e
1)
[A]
Size Overload release
[A]
I
c
at U
e
= 400 V
[kA]
Circuit breaker type
50 1 40...50 65 3VL2705
63 1 26...63 65 3VL2708
80 1 63...80 65 3VL2708
100 1 80...100 65 3VL2710
125 1 100...125 65 3VL2712
160 1 125...160 65 3VL2716
200 1 160...200 65 3VL3720
250 1 200...250 65 3VL3725
315 2 200…315 65 3VL4731
400 2 200...400 65 3VL4740
630 2 300...630 65 3VL5763
800 4 400...800 85 3VL7710
1000 4 500...1250 85 3VL7712
1250 4 500...1250 85 3VL7712
1)
Reduced current value specifications caused by built-in units and mounting position are
described in the technical data.
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