Pronto Energy 
MC4 MC4 Photovoltaic Connector
The MC4 solar DC connector provides reliable, weatherproof connections for photovoltaic systems rated up to 1200V and 32A. Its IP67 sealed design and locking mechanism ensure secure, long-life connections in solar installations.
Applications & circuit protection
The MC4 PV connector is the industry-standard DC connector for solar panels, providing quick, secure and weatherproof cable connections.
- Solar panel string connections
- PV combiner box wiring
- Inverter DC connections
- Solar system extension cables
Construction & operating reliability
The MC4 features a precision locking mechanism, IP67 sealing, tinned copper contacts and UV-resistant housing for reliable outdoor service.
- IP67 weatherproof sealing
- Secure locking mechanism
- Tinned copper contacts
- UV-resistant housing
Wiring Diagram
Technical Parameter
| Parameter | Value |
| Model | DS1-32EL/4-MC4-Z |
| Compliant with standards | IEC 60947-3; AS 60947.3 |
| Application | Outdoor photovoltaic DC isolation and control |
| Usage category | DC-PV1 / DC-PV2 |
| Connection configuration | 4-MC4 |
| Rated working voltage | 1200 V DC |
| Rated current | 32 A |
| Connector / termination | MC4-Z |
| Rated insulation voltage (Ui) | 1200 V |
| Rated impulse withstand voltage (Uimp) | 8.0 kV |
| Polarity | Non-polar; + and − may be interchanged |
| Mechanical life | Rated 9,700 cycles; tested to 20,000 cycles |
| Electrical life | 300 operations |
| Arc extinguishing time | ≤2 ms at 1000 V DC / 32 A |
| Protection level | IP66 |
| Storage temperature | −40 °C to +85 °C |
| Installation method | Screw / wall mounting |
Standards & certifications
The MC4 is designed in accordance with IEC 60947-3; AS 60947.3 and is available with TUV, CE certifications. Certification documentation can be provided according to project and destination-market requirements.
- Standard: IEC 60947-3; AS 60947.3.
- Certifications: TUV, CE.
- Protection level: IP20 (where applicable).
OEM & B2B supply support
KORLEN supports distributors, OEM manufacturers, electrical contractors and project buyers with product selection, samples, technical documentation and commercial quotations.
If the MC4 configuration does not match your project, send us the required specifications, quantity and destination market. Our team can help identify a suitable configuration.
- Samples available for product evaluation.
- Flexible quantities for project and B2B purchasing.
- OEM and ODM support for suitable projects.
- Technical documentation and certification support available.
Frequently Asked Questions
The MC4 connects solar panels, combiner boxes and inverters in photovoltaic systems with a secure, weatherproof DC connection.
The MC4 is rated for 1200V DC and 32A.
The connector provides IP67 protection against water and dust ingress.
Yes, its IP67 sealing and UV-resistant housing make it ideal for permanent outdoor solar installations.
