Sygonix Solar Adapter T-Connector 4 to 1 1000 V DC SY-6408002 Y-Connector for Solar Systems

Solar installers and PV system maintainers use the Sygonix SY-6408002 T-connector to merge four MC4-compatible panel strings into a single output, simplifying array wiring on residential and commercial rooftops. The Y-branch configuration supports up to 1000 V DC and 30 A, making it suitable for high-voltage string combining.

Key specifications

• Configuration: 4 inputs to 1 output (Y-branch)
• Maximum system voltage: 1000 V DC
• Rated current: 30 A
• Contact resistance: ≤ 0.5 mΩ
• Insulation resistance: > 500 MΩ
• Protection class: IP67
• Flame retardant rating: UL94-V0
• Operating temperature range: -40 °C to +90 °C
• Contact material: Tinned copper
• Insulation material: PPO / PC
• Suitable cable cross-section: 2.5 mm² / 4 mm² / 6 mm²
• Connection type: Male/Female MC4
• UV resistance: Yes
• Safety class: Class II
• Number of poles: Single pole
• Locking system: Snap-in
• Mating cycles: ≥ 20
• Pollution degree: 3
• Test voltage: 6 kV (1 min)

Why choose it

The snap-in locking system ensures secure connections, while the IP67 rating protects against dust and temporary immersion. Tinned copper contacts provide reliable conductivity, and the PPO/PC insulation withstands harsh outdoor conditions.

Ideal use cases

• Combining multiple solar panel strings in photovoltaic installations
• Simplifying cable management on rooftops and ground-mounted arrays
• Connecting panels with MC4-compatible connectors

Good to know

The connector supports cable cross-sections from 2.5 mm² to 6 mm² and is rated for at least 20 mating cycles. It is UV-resistant and suitable for outdoor use in a wide temperature range.