MC4 & MC4-EVO 2 Connectors

MC4

The MC4 is the original and most widely installed photovoltaic connector worldwide, engineered and manufactured by Stäubli in Switzerland. It is the industry benchmark for safe, reliable and long-term DC interconnection in PV installations of any scale. Powered by MULTILAM contact technology, it delivers exceptionally low contact resistance, minimal thermal losses and stable performance over decades. Fully certified according to IEC and UL standards, the MC4 ensures maximum safety, durability in harsh environments and full compatibility with leading PV module manufacturers. Technical specifications

Cable cross-section	2.5–10 mm²
Rated voltage	1100 V DC (IEC 62852)
Rated current (TÜV)	22.5 A (2.5 mm²) · 39 A (4/6 mm²) · 45 A (10 mm²)
Ambient temperature	−40 °C … +85 °C
Upper operating temperature	105 °C
Protection rating	IP68 (mated)
Contact system	MULTILAM
Contact material	Copper, tin-plated
Certifications	TÜV, UL, IEC, Ammonia Resistance, Salt Mist Spray Test, CSA, CQC

Assembly instructions (PDF) · Catalog (PDF) · MC4 assembly video

MC4-EVO 2

Cable cross-section	2.5–10 mm²
Rated voltage (TÜV)	1500 V DC
Rated current (TÜV)	39 A (2.5 mm²) · 45 A (4 mm²) · 53 A (6 mm²) · 69 A (10 mm²)
Ambient temperature	−40 °C … +85 °C
Upper operating temperature	115 °C (TÜV)
Protection rating	IP68 (mated)
Contact system	MULTILAM
Contact material	Copper, tin-plated
Certifications	TÜV, UL, IEC, Ammonia Resistance, JET

Assembly instructions (PDF) · Catalog (PDF) · MC4-EVO 2 assembly video