XCSOURCE 30A 1000V Solar Panel PV T-piece TUV MC4 Branch Connectors in Pair 3 Female to 1 Male + 1 Male to 3 Female HS355 Easy to Install, Durable, Reusable. Dustproof, IP67 Waterproof. Compatible with MC4 solar connector. Highest security port with the "snap-in" closure. Rated Voltage: 1000V DC; Rated Current: 30A (4-6mm2); Contact Resistance: 0.5m. Contact Material: Copper, Silver Plated; Insulation Material: PPO.