2 - Fagor Automation

Power supplies
2.
POWER SUPPLIES
94
42
Non-regenerative power supplies
DDS
HARDWARE
Ref.1209
Power connectors
Terminal strip for mains connection
When connecting the power supplies to mains through terminals L1, L2
and L3, the phases may be connected in any order.
FROM MAINS
N
R S T
L1
L2
L3
L1 L2 L3
F. H2/8
Terminal strip for connection to mains.
The RST phases
may be connected
in any sequence.
Cable without connectors
MPC -4x ... (mm² )
The ground connection of the cable shield is made from the vertical plate
next to the terminal strip.
The following table shows the values for gap, tightening torque (wire entry
holes) and other data regarding these power screw-on terminals:
T. H2/8 Technical data of the mains connection terminals.
Connector data PS-25B4 PS-65A
Gap (mm) 10.16 -
Min/max tightening torque (N·m) 1.2/1.5 6/8
Screw thread M4 M6
Min./max. section (mm²) 0.5/16 16/50
Rated current In (A) 76 150
Wire data
Length to strip (mm) 10 24
MANDATORY. As for possible high leak currents, use a protection ground
wire with a cross section of at least 10 mm² (Cu) or 16mm² (Al) or two
protection ground wires with the same cross section as that of the wires
connected to the power supply terminals. Comply with local regulations on
grounding.
MANDATORY. The equipment must be protected with fuses on the threephase
supply lines L1, L2 and L3. Follow the instructions given in chapter
6. POWER LINE CONNECTION of this manual.