Required Protective Devices; Preparation For Ac Wires Connection; Preparation For Pe Cables Connection - Delta M100 210 Operation And Installation Manual

Installation

3.4.2 Required Protective Devices

It is recommended to install an upstream AC line disconnection and over current
protection device. Please refer to your local rules for the required product.

3.4.3 Preparation for AC Wires Connection

Requirements of AC cable for M100_210 are:
• Only accept cooper or aluminum cables to be used
• Cross-section is from 70mm² to 185mm²
• Outer diameter is from 12.0mm to 28.9mm
• Stranded and Solid wire is available. Bootlace ferrules must be when using the
flexible wire.
- The worry of Ingress Protection on the cable gland, Multicore cable is not
recommended to be used.

3.4.4 Preparation for PE cables 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
Table 3-1: Recommended AC circuit breaker rating
Current rating
Voltage rating
Number of poles
ATTENTION
Internal PE
120mm²
9.5 - 18.8mm
Size of bolt = M8
a < 24.0mm
b = 10.5mm
c < 12.5mm
min. 200A
min. 380V / 400V
3 / 4
c
30
b
a
External PE
120mm²
-
Size of bolt = M8
a < 24.0mm
b = 10.5mm
c < 12.5mm