INTORQ BFK458 - Electrical Installation; DC Switching at Mains - Fast Engagement

Electrical installation
INTORQ | BA 14.0168 | 11/2018 53
6.5 DC switching at mains – fast engagement
U
N
L1
N
L1
L2
U
V
BN
BK
BU
4
2
1
6-pole
BEG-16x
BEG-26x
or
Fig.28: Supply: Phase-phase or phase-N via 6-pole rectifier
Bridge rectifier
1)
Half-wave rectifiers
BEG-16x: U
N
[V DC] = 0.9 • U
V
[V AC] BEG-26x: U
N
[V DC] = 0.45 • U
V
[V AC]
1)
For most regional/national high-voltage mains voltages, this only makes sense for supplies on L1 and N.
L1
N
L1
L2
U
V
U
N
BN
BK
BU
4
2
1
4-pole
BEG-14x
BEG-24x
14.198.00.xx
or
Fig.29: Supply: Phase-phase or phase-N via 4-pole rectifier
Bridge rectifier
1)
Half-wave rectifiers
BEG-14x: U
N
[V DC] = 0.9 • U
V
[V AC] BEG-24x: U
N
[V DC] = 0.45 • U
V
[V AC]
Spark suppressor:
14.198.00.xx (required once, select position)
1)
For most regional/national high-voltage mains voltages, this only makes sense for supplies on L1 and N.