Huawei PV Power Optimizer SAFE DC 450W – MC4 Connector, IP68
Description
Huawei PV Power Optimizer SAFE DC 450W – MC4 Connector, IP68
Huawei SAFE DC 450W PV optimizer is a device mounted on the back of photovoltaic modules, designed to eliminate power losses caused by partial shading, panel soiling or unfavourable positioning within the installation. The optimizer works at the level of a single PV module — it monitors its maximum power point (MPPT) and automatically adjusts the input voltage to the optimal value. As a result, affected modules do not reduce the performance of the entire string, and installation efficiency can increase by as much as 30%. The device is equipped with SAFE DC technology, which, after the inverter is switched off, reduces the output voltage to 0 V, significantly improving safety for service technicians and rescue teams. The compact housing, measuring only 75 × 140 × 28 mm and weighing 0.6 kg, combined with an IP68 protection rating, allows installation even in demanding weather conditions. Communication with the inverter takes place via the MBUS bus, while MC4 connectors on the input and output ensure quick, tool-free connection to the installation wiring.
Key benefits for the installer
- Individual MPPT optimisation of each module maintains high string performance even under partial shading
- SAFE DC technology zeroes the output voltage after the inverter is switched off, increasing safety during servicing and in emergency situations
- Compact, lightweight design with IP68 sealing class allows direct mounting on the module frame in any weather conditions
- MC4 connectors on the input and output speed up installation without the need for additional adapters
- MBUS communication with the Huawei inverter enables monitoring at the level of a single panel
Technical specification
| Input | |
|---|---|
| Rated DC input power | 450 W |
| Maximum input voltage | 80 V |
| MPPT operating voltage range | 10 – 80 V |
| Maximum short-circuit current (Isc) | 14.5 A |
| Maximum efficiency | 99.5% |
| Weighted efficiency | 99.0% |
| Overvoltage category | II |
| Output | |
| Maximum output voltage | 80 V |
| Maximum output current | 15 A |
| Output bypass | Yes |
| Output voltage with inverter switched off | 0 V |
| Output resistance with inverter switched off | 1k ohm ±10% |
| Communication | |
| Communication method | MBUS |
| Standards compliance | |
| Safety | IEC62109-1 (Safety Class II) |
| RoHS | Yes |
| Mechanical data | |
| Dimensions (W × L × H) | 75 × 140 × 28 mm |
| Weight | 0.6 kg |
| Mounting parts | Frame mounting bracket / T-shaped bolt |
| Input connector | MC4 |
| Input cable length | 0.15 m |
| Output connector | MC4 |
| Output cable length | 1.3 m |
| Operating temperature | –40°C … +85°C |
| Protection rating | IP68 |
Files to download:
Technical data
| Nominal DC input power [W] | 450 |
| Input connector | MC4 |
| Output connector | MC4 |
| Operating temperature [°C] | -40°C - 85 |
| Degree of protection | IP68 |
| Input cable length [m] | 0,15 |
| Output cable length [m] | 1,3 |
| Width [mm] | 140 |
| Length [mm] | 75 |
| Thickness [mm] | 28 |
| Weight [kg] | 0,6 |