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12 975-0126-02-01
DC Grounding
The inverter/charger DC (chassis) ground terminal needs to be connected to the
boat’s DC grounding bus by a minimum No. 1/0 AWG copper conductor, which is
either rated 90 °C or is bare copper
1
.
Table 2
Required DC Input Cable (copper) and Fuse Size
From MS2000 to
house battery bank
From Echo Charger
to engine battery
Maximum DC Cable Length (one way)
10 feet (3 meters) 20 feet (6 meters)
Maximum Total Length (two way)
20 feet (6 meters) n/a
Minimum Recommended Cable Size No. 4/0 AWG
14 AWG
Maximum Battery Fuse or Breaker
300 A class T 15 A DC
1. Per ABYC E-11, which requires No. 2/0 AWG DC supply conductors for the
MS2000, but allows a DC grounding conductor one size smaller than the DC supply
conductors. The larger No. 4/0 AWG cable size for DC supply conductors shown in
Table 2 is recommended for inverter performance.