MC4 Solar Connectors & Adapters

Conversions Tech stocks a complete range of MC4-compatible solar connectors, adapters, branch connectors, and extension cables for residential, commercial, and utility-scale PV installations. All connectors are IP67 rated, TUV certified, and compatible with standard MC4 tooling.

Product range

MC4 male/female pairs — Standard panel-to-cable connections, 30A/1000V rated
MC4 branch connectors — Y-connectors and T-connectors for parallel string wiring
MC4 extension cables — Pre-terminated PV cable in 10ft, 20ft, 30ft, 50ft lengths
MC4 inline fuses — Integrated fuse holders for string protection
MC4 panel mount — Bulkhead pass-through connectors for combiner boxes
MC4 to bare wire — Open-end adapters for inverter and charge controller connections
Multi-contact adapters — MC4 to Anderson, MC4 to ring terminal, MC4 to MC3

Why installers choose Conversions Tech MC4 connectors

IP67 waterproof — Full submersion rated for rooftop and ground-mount installations
1000V DC rated — Compatible with high-voltage string inverter systems
30A continuous — Handles residential and commercial panel currents with margin
Tool-free or crimped — Available in both snap-lock and crimp-style terminations
Same-day shipping — In stock, ships by 2 PM ET

Pair with our PV solar cable, solar panels, and mounting brackets for complete solar system builds. Pro Pricing for solar installers and contractors.