Delta Modulon DPH Series User Manual page 63

Step 4
Follow the table below to select proper Protective Earth (PE) cables to ground the
parallel UPS units, external battery cabinet(s) and connected critical loads. The table
is in accordance with IEC 60364-5-54
diagram below is for reference.
UPS Capacity
Input
Suggested
Bypass
PE Cable
Output
Size
Battery
Maximum Cable Lug
Width
Screw Size
Tightening Torque
Figure 5-14: Parallel Port Connection_ Daisy Chain Method
M10 = 250 ± 10 kgf-cm (217 ± 8.7 lb-in)
(Article 543
and
DPH 200kVA
70 mm × 1 PC (3/0 AWG × 1 PC)
2
70 mm × 1 PC (3/0 AWG × 1 PC)
2
70 mm × 1 PC (3/0 AWG × 1 PC)
2
95 mm × 1 PC (4/0AWG× 1 PC)
2
30mm (1.18")
M10
Table 54.2)
. The grounding
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