Siemens SIVACON 8PS Configuration Manual page 101

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]
50
63
80
100
125
160
200
250
315
400
630
800
1000
1250
1)
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
Size Overload release
[A]
1 40...50
1 26...63
1 63...80
1 80...100
1 100...125
1 125...160
1 160...200
1 200...250
2 200...315
2 200...400
2 300...630
4 400...800
4 500...1250
4 500...1250
Reduced current value specifications caused by built-in units and mounting position are
described in the technical data.
6.1 Basic knowledge for configuring
I at U = 400 V Circuit breaker type
c e
[kA]
65 3VL2705
65 3VL2708
65 3VL2708
65 3VL2710
65 3VL2712
65 3VL2716
65 3VL3720
65 3VL3725
65 3VL4731
65 3VL4740
65 3VL5763
85 3VL7710
85 3VL7712
85 3VL7712
Configuration
99