Delta Modulon DPH Series User Manual page 91

Parallel Cable
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
Bypass
Suggested
PE Cable
Size
Output
Battery
Maximum Cable
Lug Width
Screw Size/ Cable
Lug Inner Diameter
Tightening Torque
1
Terminal Type*
Parallel Ports
st
(Middle UPS(s))
(1 UPS)
Parallel Cable
DPH Series 200 ~ 600kVA
200kVA/ 300kVA/
200kW 300kW
2
25 mm 50 mm
× 1 PC × 1 PC
(2 AWG (1/0 AWG
× 1 PC) × 1 PC)
2
25 mm 50 mm
× 1 PC × 1 PC
(2 AWG (1/0 AWG
× 1 PC) × 1 PC)
2
25 mm 50 mm
× 1 PC × 1 PC
(2 AWG (1/0 AWG
× 1 PC) × 1 PC)
2
50 mm 67 mm
× 1 PC × 1 PC
(1/0 AWG (2/0 AWG
× 1 PC) × 1 PC)
M12 = 500 ± 10 kgf-cm (434 ± 8.7 lb-in)
5-21
5
Parallel Ports
Parallel Cable
and
400kVA/ 500kVA/
400kW 500kW
2 2
67 mm 70 mm
× 1 PC × 1 PC
(2/0 AWG (3/0 AWG
× 1 PC) × 1 PC)
2 2
67 mm 70 mm
× 1 PC × 1 PC
(2/0 AWG (3/0 AWG
× 1 PC) × 1 PC)
2 2
67 mm 70 mm
× 1 PC × 1 PC
(2/0 AWG (3/0 AWG
× 1 PC) × 1 PC)
2 2
95 mm 95 mm
× 1 PC × 1 PC
(4/0 AWG (4/0 AWG
× 1 PC) × 1 PC)
50 mm (1.97")
M12/ 13 mm (0.51")
TLAPH325-2A12
Installation and Wiring
Parallel Ports
(Last UPS)
). The grounding
600kVA/
600kW
2 2
95 mm
× 1 PC
(4/0 AWG
× 1 PC)
2 2
95 mm
× 1 PC
(4/0 AWG
× 1 PC)
2 2
95 mm
× 1 PC
(4/0 AWG
× 1 PC)
2 2
95 mm
× 1 PC
(250 kcmil
× 1 PC)