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
e1)
[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.