Electrical Connection Overview
28
6.3 Circuit Breaker
1
AC Circuit Breaker and DC Disconnection Switch
The circuit breaker on the distribution board varies depending on the insaller.
Follow the installation standards to install a circuit breaker satisfying the voltage and current
specification of the Grid and PV cable.
Standard
Short Circuit Current Rating
AC Circuit Breaker
230
V
ac
/ 32 A
minimum 10 kA
DC Disconnect
650
V
dc
/ 27 A or more
2
RCD (Residual Current Device)
The product can cause a residual-current in the external protective earthling conductor.
Q.HOME CORE has a built-in RCMU(Residual Current Monitoring Unit), which protects residual-
current under continuous and sudden conditions. If the RCD must be applied in a particular area,
30 mA or higher Type B RCD must be applied.
6.4 Grounding Q.HOME CORE
Q.SAVE and Q.VOLT must be connected to an additional ground on the enclosure.
• PE bolt: M4
• Torque for PE bolts: 1.2 to 1.9 N·m
Note
For details about crimping the ring terminal, see "Crimping the PE Wire" on page 30
