Samlex America S600R - Manual (Page 16)

Increasing DC cable size helps improve the situation.
Cotek recommends the following cables for optimum inverter performance.
(apply both 120V and 230V versions)
Model No Wire AWG Inline Fuse
S600-112 # 4 100A
S600-212 # 4 100A
S600-124 # 6 50A
S600-224 # 6 50A
Also, use only high quality copper wiring and keep cable length short, (a
maximum of 3-6 feet).
BATTERY
- +
INLINE FUSE
S600
14