Victron Energy MC4 Solar Connector Pair, 1 Male, 1 Female, For 4 mm Solar Cable

Overview

The Victron Energy SCA520300000 is an MC4 solar connector pair for joining solar panel leads in a marine or off-grid charging system. It includes one male and one female connector, giving you the matching ends needed for a clean PV cable connection between panels, extension leads, combiner wiring, or a solar charge controller input that uses MC4-style connections.

MC4 connectors are single-contact electrical connectors commonly used on solar panels. This pair is a practical fit for boat solar installs where deck routing, cabin-top panels, davit-mounted panels, or rail-mounted panels need a secure connection that can be serviced later without cutting into the whole run.

The connectors are simple to install onto 4 mm solar cable when the correct crimping and assembly tools are used. As with any DC solar wiring on board, polarity should be checked before final connection, and the cable run should be supported so movement, vibration, and deck hardware do not place strain on the connector body.

Key features

• Includes one male and one female MC4 connector for a matched solar connection pair.
• Made for solar panel cable connections in PV charging systems on boats, vehicles, and off-grid installations.
• Single-contact connector format commonly used with solar panels and MC4-style solar leads.
• Installs onto 4 mm solar cable, helping keep custom cable runs tidy during panel or charge controller wiring.
• Useful for replacing a damaged connector end, building an extension lead, or completing a panel-to-controller cable run.

Compatibility and fit

This connector pair is intended for solar wiring that uses MC4-style connectors. Before installation, compare the connector style on the panel, extension cable, or controller lead with the existing system, since mixed connector types can look similar but may not mate correctly.

For marine installations, this part makes the most sense on small to mid-size solar charging systems where panels feed a Victron or other compatible solar charge controller. It is often used when routing panel leads from a cabin top, arch, hardtop, or rail installation into a protected cable path toward the electrical compartment.

Installation and setup

Use the correct PV cable size, stripping length, crimp terminal, and MC4 assembly process for the cable being fitted. A proper crimp is important on a boat because vibration and repeated movement can expose weak cable terminations over time.

After assembly, check that each connector is fully seated and that the locking tabs engage. Route the finished cable so the connector is not left under constant tension, and avoid low spots where water can sit around the connection for long periods.

Use on board

This connector pair suits boat owners adding or repairing solar panels for battery maintenance, cruising loads, fishing electronics, refrigeration support, or general house-bank charging. It is a small part, but it has a direct effect on how cleanly and safely the solar array ties into the rest of the DC charging system.

What's included

• One male MC4 solar connector
• One female MC4 solar connector

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We ship throughout the United States and to most international destinations for products eligible for international shipping. International orders may be subject to customs duties, taxes, brokerage charges, or other import fees, which are the customer's responsibility and are not included in the product or shipping price. PO Boxes are accepted only when shipping through USPS, and not all packages qualify for this option. If your order does not arrive within the estimated delivery window, please contact us at info@apollolighting.com or +1 (954) 375-0100 so we can assist with locating your package.

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Returns may be requested within 30 days of receiving your order. Items must be unused, uninstalled, unaltered, and returned in their original packaging with all tags, packing materials, blank warranty cards, manuals, instructions, accessories, and included items. Certain products, including installed or used electronics, electrical components, lighting, consumables, custom or special-order items, cut-to-length products, safety equipment, and merchandise exposed to water or marine conditions, may not be eligible for return.

To request a return, sign in to your account and select the applicable order and items, and submit your request for review. Eligible unfulfilled items may also be submitted for cancellation within 1 hour of placing the order. Returns or cancellations are not considered approved until you receive confirmation from Apollo Lighting. Please do not ship or drop off merchandise before receiving return approval and instructions.

Customers are responsible for arranging and paying for return shipping unless the return is due to an error by Apollo Lighting or the item is verified as defective, damaged, or incorrect. Missing, damaged, defective, or incorrect items must be reported within 2 business days of delivery, and photos or other documentation may be required for review. If the issue is verified, Apollo Lighting may provide or reimburse return shipping and issue a replacement or refund depending on the circumstances. International customers are responsible for return shipping, duties, taxes, customs charges, brokerage fees, and other costs associated with an international return.

After your return is received and inspected, approved refunds are issued to the original payment method and may take 5-7 business days to appear after processing. Original shipping and handling charges are nonrefundable, and the value of any included free items that are not returned may be deducted from the refund. Apollo Lighting does not charge a standard restocking fee on eligible returns. Returns that are incomplete, damaged, installed, used, altered, improperly packaged, or otherwise do not meet the eligibility requirements may be refused. We recommend using a trackable and appropriately insured shipping service for all customer-arranged returns.

For assistance, contact info@apollolighting.com or call +1 (954) 375-0100.

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Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

Keep your receipt, product documentation, serial number information, and original packaging when practical. Damage caused by normal wear, misuse, improper installation, insufficient maintenance, corrosion, impact, unauthorized modifications, electrical issues, or operation outside the manufacturer's specifications may not be covered. Warranty claims are separate from standard returns, so a product that has been installed, used, or exposed to marine conditions may no longer qualify for return while still remaining eligible for evaluation under the manufacturer's applicable warranty.

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