SOFAR 7.5KTLM User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
4.4. Connecting AC Output Power Cables
Sofarsolar has already integrated RCMU (residual current monitoring unit)
inside inverter, If an external RCD is required, a type-A RCD with rated residual
current of 100mA or higher is suggested.
Connect the SOFAR 7.5KTLM to the AC power distribution frame (PDF) or
power grid using AC output power cables.
It is not allowed for several inverters to use the same circuit breaker.
It is not allowed to connect loads between inverter and circuit
breaker.
AC breaker used as disconnect device,and the disconnect device
shall remain readily operable.
Context
All the AC output cables used for the inverters are outdoor three-core cables.
To facilitate the installation, use flexible cables. Table 4-2 lists the recommended
specifications for the cables.
Figure 4-9 NOT allowed: connect loads between inverter and circuit breaker
Table 4-2 Recommended AC output cable specifications
Multi core copper wire
AC cable should be correctly sized to ensure the
power loss in AC cable is less than 1% of the rated
power. If the resistance of the AC cable is too high, it