14
5.2.1 Required protective devices and cable
cross-sections
Table 5-1: Recommended upstream protection
Power rating Upstream circuit breaker
RPI H3A
RPI H4A
RPI H5A
3.75kVA
5 kVA
6.25 kVA
20A
25A
30A
Please use appropriate wire to connect poles (According to the Table 5-2).
Table 5-2: AC wire requirement
Current Rating Wire size Torque
>20A (RPI H3A),
>25 A (RPI H4A),
>30 A (RPI H5A)
3-4mm
2
/ 12 AWG 0.8~1Nm
PE
Section drawing
N
L
1: L
2: N
: PE
Figure 5-3: AC plug illustration (C01620E0028001, AMPHENOL CORP)