MC4 20A In-line Fuse Solar Connector
MC4 20A In-line Fuse Solar Connector
Protect your solar PV system with the MC4 20A In-line Fuse Solar Connector. This essential safeguard provides reliable overcurrent protection for individual solar strings, shielding panels, charge controllers, and wiring from short circuits and overloads. Plug-and-play compatible with standard MC4 connectors for fast, tool-free installation.
Key Features
Overcurrent Protection: Reliably prevents damage from short circuits and overloads, protecting solar panels, charge controllers, and connected components from catastrophic failure.
Seamless MC4 Integration: Weatherproof plug-and-play design compatible with standard MC4 connectors — no tools required for installation.
IP67 Rated: Fully sealed against dust and water ingress for reliable outdoor performance in all conditions.
String Isolation: Isolates individual solar strings for simplified troubleshooting and improved system stability.
High-Temperature Tolerance: PC/PPO insulation rated from -40°C to +105°C for long-term durability in harsh environments.
Specifications
| Rated Current | 20A |
| Rated Voltage | 1000V DC (IEC) |
| Contact Material | Copper Alloy, Tin Plated |
| Insulation Material | PC/PPO |
| Degree of Protection (Mated) | IP67 |
| Degree of Protection (Unmated) | IP2X |
| Temperature Range | -40°C to +90°C (IEC) |
| Upper Temperature Limit | +105°C (IEC) |
| Test Voltage | 6kV (50Hz, 1min) |
| Contact Resistance | 0.5mΩ |
| Flame Class | UL94-V0 |
| Locking System | Snap-in |
| Safety Class | II |
| Connector System | Ø4mm |
| Salt Mist Spray Test | Severity Degree 5 (IEC 60068-2-52) |