ROCKSOLAR
Rocksolar 3 to 1 Solar Branch Connectors MMMF+FFFM Pair
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From ROCKSOLAR
ROCKSOLAR 3-to-1 Solar Branch Connectors MMMF + FFFM pairA pair of MC4 branch connectors that joins three solar panels in parallel into one positive and one negative lead so a three-panel roof or ground array reaches the charge controller on a single pair of cables. IP67 sealed UV-resistant snap-lock.Panels wired in parallel keep the array at one panel's voltage and add the currents together which is the right layout for a PWM controller a 12 V or 24 V battery bank or any MPPT whose open-circuit limit rules out a series string.