Key Features
Rated for 1500V DC photovoltaic systems
IEC, UL, JET, and TÜV certified
MULTILAM contact technology for stable, low-resistance connection
IP65 and IP68 protection when mated
Suitable for harsh outdoor environments
Compatible with standard MC4 series connector systems
Supports field installation and pre-assembled cable solutions
Tinned copper contacts for reliable conductivity and corrosion resistance
Flame-retardant PC/PA insulation housing
Typical Applications
This connector is suitable for a wide range of solar DC connection points, including:
Residential rooftop PV systems
Commercial and industrial solar installations
Ground-mounted solar power plants
Utility-scale PV projects
Solar combiner boxes and string wiring
PV cable extensions and branch connections
Pre-assembled solar cable harnesses
Selection Guide
Choose the connector version according to the cable cross-section and operating current of your PV system.
| Cable Size | AWG Reference | Recommended Rated Current |
| 2.5 mm² | 14 AWG | 39A |
| 4.0 mm² | 12 AWG | 45A |
| 6.0 mm² | 10 AWG | 53A |
| 10.0 mm² | 8 AWG | 69A |
For 1500V PV systems, confirm that the connector, cable, and other DC-side components are all rated for the same system voltage. Proper crimping tools should be used during installation to maintain stable contact performance and sealing protection.
Installation Notes
Use the correct crimping die and cable size for each connector type. Ensure the connector is fully locked after mating and that the sealing components are properly assembled before outdoor use. For large-scale projects, pre-assembled cable harnesses can help improve installation efficiency and reduce on-site wiring errors.
Technical Specifications
| Item | Specification |
|---|---|
| Connector System | Ø4 mm |
| Rated Voltage | 1500V DC (TÜV / UL / JET) |
| Rated Current | 39A (2.5 mm² / 14 AWG) |
| 45A (4.0 mm² / 12 AWG) | |
| 53A (6.0 mm² / 10 AWG) | |
| 69A (10.0 mm² / 8 AWG) | |
| Rated Impulse Voltage | 16 kV |
| Ambient Temperature Range | -40°C to +85°C |
| Maximum Operating Temperature | +115°C |
| Protection Degree, Mated | IP65, IP68 (1 hour at 1 m) |
| Protection Degree, Unmated | IP2X |
| Flammability Rating | UL94-V0 |
| Overvoltage / Pollution Degree | CAT III / 3 |
| Contact Resistance | ≤0.2 mΩ |
| Safety Class | Class II |
| Contact System | MULTILAM |
| Termination Method | Crimping |
| Contact Material | Copper, tin-plated |
| Insulation Material | PC/PA |
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