
24
CVM
k
2
INSTALLATION
2.6.7 - 2 CT AND 2 VOLTAGE TRANSFORMERS
L1
L2
L3
VL1
VL2
VL3
S2
P2
S1
P1
B
A
S2
P2
S1
P1
A
B
aabb
2.7 POWER SUPPLY CONNECTION DIAGRAM
Power supply
85...265Va.c.
100...300Vc.c.
(Standard
The system should be connected to a power supply circuit protected
by fuses with current ratings between 0.5 and 1 A / 600 V (UL listed). It
should be provided with a MCCB or equivalent device to switch off the
system from the power supply circuit. The power supply and voltage
measuring circuit is connected with cable minimum cross section of
1 mm
2
(AWG 17). The current transformer secondary side connection
line should have a minimum cross section of 2 mm
2
(AWG 14) and with
a minimum temperature rating of 60 ºC.
Commenti su questo manuale