MC4 Electrical Connector 43A 1500V - Solar Panel Cable Connectors Compatible with Staubli EVO2
20-year PV manufacturing + full-process control
• ±0.01mm precision hand assembly + 100% QC (zero PIN misalignment)
• TUV-certified (IEC 62852): 43A & 1500V DC
• -40°C~+85°C + IP68 protection
• PA66+tin-plated copper → 25-year lifespan
• Polarized anti-misinsertion + snap-lock (tool-only unlock)
• Tool-free assembly (50% faster) + 2min quick replacement
• 2.5-6mm² cable compatibility (all mainstream modules)
• 1500V high-voltage support
• 100k+ units/day output + 1-15 day lead times
• Pros/DIY-friendly: low insertion force + intuitive operation
![]() | |
| Type | Φ4.0mm PV Connector |
| Rated Voltage | 1500V DC |
| Rated Current | 43A |
| Rated Impulse Voltage | 16kV |
| Rated Insulation Voltage | 8kV |
| Contact Resistance | ≤0.5mΩ |
| Protection Class | Class ‖ |
| Pollution Class | 2 |
| Insulation Material | PPE/PPO/PA |
| Contact Material | Copper, Tin-Plated |
| Temperature Range | -40℃ to +85℃ |
| Flame Resistance | UL94_V0 5VA |
| Upper Limiting Temperature | 100 ℃ |
| Cable Size | 2.5mm2, 4.0mm2, 6.0mm2 |
| Application Class | A |
| Over Voltage Category | III |
| Relative Humidity | 85% |
| Pin Dimensions | Φ4.0mm |
| Operating Cycles | 100 |
| Sealing Material | Silicon Rubber |
| Reference Standard | IEC 62852 / EN 62852 |
| Approval | TUV No.B 076447 0006 |

How to Ensure the Production of TUV-Standard Solar MC4 Electrical Connectors?

( PV-TY008 mold ) ( Logo marking on the mould - OEM for clients )
With 20 years of PV manufacturing experience, TYOU engineers every solar MC4 electrical connector from mold to assembly with uncompromising precision.
✅Mold Design – The DNA of a Solar MC4 Electrical Connector
Micron-level tolerances (±0.005 mm) and CAE mold flow analysis ensure each solar MC4 electrical connector cavity fills perfectly, avoiding short shots, warpage, and weld lines. Shrinkage is pre-compensated (PC/PE/PP 0.6%, PA 0.8%), and high-performance SKD61 steel (HRC 60, corrosion ≤0.03 mm/year) gives the solar MC4 electrical connector mold a lifespan exceeding 1 million cycles. This steel choice is fundamental for a solar MC4 electrical connector that demands long-term dimensional stability. DLC-coated surfaces and 5-axis CNC machining (0.002 mm capability) further refine every housing.
✅Material Science – Engineering the 25-Year Solar MC4 Electrical Connector
We select halogen-free, flame-retardant PA66/PPO so the solar MC4 Electrical connector housing withstands 85°C/85% RH, -40°C impacts (1 J, no cracking), and UV aging (xenon 1000 h, tensile strength retention ≥80%). Incoming resin is tested for MFR (15 g/10 min), CTI ≥600 V, and dielectric strength ≥20 kV/mm, guaranteeing consistent raw material quality for every solar MC4 electrical connector.
✅Terminal Integrity – The Electrical Heart of the Solar MC4 Electrical Connector
Our solar MC4 electrical connector terminals employ high-elasticity copper alloy, bright tin plating (3–8 µm), and a four-arm elastic cage structure that ensures redundant contact paths. With contact force ≥20 N and insertion force ≤80 N, IEC 60512 testing proves the solar MC4 electrical connector maintains contact resistance ≤0.5 mΩ even after 200 thermal cycles and 72-hour salt spray. Third-party TÜV/UL reports confirm the solar MC4 electrical connector is built for 25 years of uninterrupted field performance.
( TUV website: www.tuvsud.com; UL website : www.ul.com; GB/T website: https://openstd.samr.gov.cn/bzgk/gb/index)
Assembly: Pre-assembly gaps, insertion depth, and tightening torque are all validated to lock in the reliability of every unit.
Installation Show

Comprehensive score