Install Pe Cable - Delta M100A 280 Operation And Installation Manual

3.4.5 Install PE Cable

- The ground connection in the first step is recommended because the earthed
outer casing of the inverter can protect the persons against electrical shocks.
M100A_280 provides internal and external PE terminal for grounding. The ground
connection can be installed on the internal, external or both with the proper sizing
of the cable which is met system safety requirement and refer to 3.4.4.
Internal PE terminal
If single-core cable is used, it should meet the requirement from 3.4.4 and the
installation is shown as following:
PE
Figure 3-12: Location for internal PE terminal - single core cable
(1) According to Table 3-4 to choose proper PE single-core cable size with proper
inner rubber of cable gland and pass PE cable through inner rubber to the
internal grounding terminal of inverter.
Cable diameter range
D1
D2
(2) According to the figures to install PE single-core cable and use M8 spanner
to tighten the nut with 14.7 N-m torque.
(3) Fasten the protective earth cable gland to meet requirement for waterproof.
CAUTION !
D1 D2
Table 3-4: Specification of PE gland
15.0 - 23.0 mm
10.0 -15.0 mm
PE
After inserting conductor,
torque terminal nut by 14.7 N • m
Torque
3.5-5.2
N • m
3.5
N • m
31
Installation
P
Dimension of P
1.5-5.0 mm
1.5-5.0 mm