Preparation For Ac Wires Connection; Preparation For Pe Cables Connection - Delta M100A 284 Operation And Installation Manual

Installation

3.4.3 Preparation for AC Wires Connection

• Please use cooper or aluminum cables which are met the installation requirement
of local power system.
• Stranded and Solid wire is available. Bootlace ferrules must be when using the
flexible wire.
• If using the ferrule on the conductor, please ensure that the ferrule and the
conductor are the same material base to prevent the destruction by corrosion.
Table 3-2: Recommendation of multi-core and single-core cable
Cable Type
Multi-Core Cable
Single-Core Cable
3.4.4 Preparation for PE cable Connection
The inverter must be grounded via the internal or external PE point which should
follow below requirements.
• Cross section of the conductor must be at least ½ of AC cable cross section
• Must follow the below table to use the proper lug for the connection
Max. conductor cross section
Cable diameter range
Cable lug dimension
Cable Cross-section range
3 x 120 mm² - 3 x 240 mm²
4 x 95 mm² - 4 x 240 mm²
5 x 70 mm² - 5 x 120 mm²
70 mm² - 240 mm²
Table 3-3: Recommendation of PE cable
Internal PE
(Multi-core cable)
240 mm²
-
Size of bolt = M10
a < 40.0 mm
b ≧ 11.0 mm
c < 22.0 mm
Cable allowable diameter range
Internal PE
(single-core cable)
150 mm²
10.0 - 23.0 mm
Size of bolt = M8
a < 24.0 mm
b ≧ 8.4 mm
c < 12.5 mm
30
42 mm - 75 mm
12 mm - 27 mm
b
a
c
External PE
150 mm²
-
Size of bolt = M8
a < 24.0 mm
b ≧ 8.4 mm
c < 12.5 mm