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The Victron Energy SCA520500000 is an MC4 Y-splitter cable pair designed to connect two solar panels in parallel, combining their outputs into a single MC4 connector pair for integration with a solar charge controller or combiner. Sold as a matched pair one M-2F splitter (one male connector to two female connectors) and one F-2M splitter (one female connector to two male connectors) the set covers both the positive and negative runs of a parallel panel connection without the need for additional adapters.
Parallel wiring keeps panel voltage the same as a single panel while combining current from both the correct configuration when your charge controller's input voltage is already matched to the panel voltage and you want to increase current (and therefore power) without exceeding the controller's maximum input voltage. The MC4 format ensures compatibility with the overwhelming majority of modern solar panels, and the weatherproof construction handles permanent outdoor and rooftop installation without degradation.
| Specification | Detail |
|---|---|
| Part Number | SCA520500000 |
| Contents | 1x M-2F + 1x F-2M Y-splitter (matched pair) |
| Configuration 1 (M-2F) | 1x Male MC4 → 2x Female MC4 |
| Configuration 2 (F-2M) | 1x Female MC4 → 2x Male MC4 |
| Connection Type | Parallel (voltage maintained, current combined) |
| Connector Standard | MC4 |
| Construction | Weatherproof |
Panel Configurations:
System Integration:
Commonly Paired With:
Parallel connection (what these splitters enable) keeps voltage the same as a single panel while combining the current output of both. Series connection adds voltages while keeping current the same. Parallel is used when your charge controller's input voltage is already matched to a single panel and you want more current and power without exceeding the maximum input voltage.
A parallel solar connection requires a Y-splitter on both the positive and negative runs. The M-2F cable handles one polarity and the F-2M handles the other — you need both for a complete parallel connection. Buying them separately would require sourcing matching connectors; this pair ensures correct polarity and compatibility in one purchase.
Yes, provided your solar panels use standard MC4 connectors — which is the case for the vast majority of modern solar panels. If your panels use a different connector type (e.g. older proprietary connectors), MC4 adapters would be required before these splitters can be used.
No. Each splitter has two panel inputs. Connecting three or more panels in parallel requires branch connectors (1-to-3 or 1-to-4 Y-cables) — separate products not included in this pair.
No tools are required to make the MC4 connections — they click and lock by hand. However, an MC4 removal tool is required to safely disconnect the connectors once installed. Attempting to disconnect MC4 connectors without the correct tool risks damaging the connector housing and should not be done with the system under load.
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