ABB Arc Guard System TVOC-2 Installation And Maintenance Manual page 26

26 ABB ARC GUARD SYSTEM™ – T VOC-2 INSTALL ATION AND MAINTENANCE GUIDE
Connect Power Supply. To connect the power supply do
the following steps:
1. Connect wires for power supply, use a torque of
0,5Nm.
2. Use screwdriver 2.5 x 0.6 mm (0.98 x 0.23 inches).
3. Cable area 0.2 - 2.5 mm² (0.078 x 0.98 inch²)
For 1SFA664001R1001.
4. For 1SFA664001R1001 connect the cable for power
supply 100-240V AC / 100-250V DC.
See Figure 18.
For 1SFA664001R1002 connect the cable for power
supply 24-48V DC. The unit has dual power supplies
(A1, A3) for redundancy with a common minus (A2).
The supplies can be used separately. See Figure 19.
WARNING
Always connect PE to Protective Earth!
2,5x0,6
0,5 Nm
Figure 18
Connecting power supply
0,5 Nm
Figure 19
Dual power supply
6
PE A1 A2
2
0,2 ... 2,5 mm
N L1
0,2 ... 2,5 mm 2
1SFC170011M0201
7
2,5x0,6
2
0,2 ... 2,5 mm
2
0,2 ... 2,5 mm
A1 A3 A2 PE
+ + -
28-48V DC
1SFA6641001R1002
1SFC170011M0201