Direct answer
MC4 compatible connectors are PV DC connectors used for module, string and extension cable connections. Compatibility should be checked by connector family, contact size and cable range, not only by appearance.
Many after-sales problems come from mixing connector brands or using the wrong crimping process. We keep connector selection tied to cable size and project voltage.
Core procurement parameters
| Voltage class | 1000V / 1500V DC options |
|---|---|
| Cable range | Common 2.5-6mm2 or project-specific range |
| Protection | IP67 / IP68 style depending on model |
| Packing | Pairs, bulk bags, cartons, or cable kit packing |
Applications
- Module string connections
- Cable extension sets
- Combiner box input leads
- Distributor connector stock
Available options
- Male/female pairs
- Branch connectors
- Inline fuse connector options
- Crimping tool support
QC points before shipment
BOM procurement notes
MC4 Compatible Connector Supplier should be treated as part of a procurement BOM, not as an isolated catalogue item. The usual starting points are voltage class (1000V / 1500V DC options), cable range (Common 2.5-6mm2 or project-specific range), protection (IP67 / IP68 style depending on model). Typical use cases include Module string connections, Cable extension sets, Combiner box input leads. Connector procurement should be matched to cable cross-section, pin type, branch layout, string current, voltage class and whether the buyer needs loose pairs, pre-crimped leads or branch assemblies. In a full BOS BOM, connector decisions also affect cable packing and combiner box inputs.
A practical RFQ should describe the required variant, quantity and packing in the same language the site team will use later. For this page, the common option set includes Male/female pairs, Branch connectors, Inline fuse connector options. The RFQ checklist should cover Voltage rating, Cable size, Pair quantity, Mating rule so the quote can be compared across suppliers without hidden assumptions.
For connector pages, the important check is not only the name "MC4 compatible" but also contact geometry, sealing, rated voltage, rated current, crimp tool compatibility and whether cross-mating is acceptable for the final project specification. Before shipment, the inspection record should include Check contact plating; Confirm cable range; Inspect locking and gasket fit. This gives EPC buyers and distributors a cleaner handover from sourcing to receiving, especially when the order is consolidated with other BOS lines from the central products hub.
FAQ
Are all MC4 compatible connectors interchangeable?
No. Similar appearance does not guarantee safe mating. Connector family and manufacturer compatibility should be checked.
Can OmniSol pack connectors with PV cable rolls?
Yes. We can pack connectors, cable and labels together for distributor kits or project zones.
