Solar Power Optimizer for PV Systems | Maximize Output up to 25%
MOREDAY is a professional MCB manufacturer with over 20 years of experience in designing, producing, and exporting miniature circuit breakers. Located in Yueqing – China’s “Electric Device Metropolis” – we serve distributors, contractors, and electrical engineers across 80+ countries with high-quality, IEC/CE/RoHS certified circuit protection solutions.
- Increase energy yield up to 25%
- Panel-level MPPT optimization
- Real-time monitoring & safety protection
MOREDAY Solar Power Optimizer Product Lineup - Complete Technical Specifications
Model | MD-OPT600 | MD-OPT700 | MD-OPT800 |
|---|---|---|---|
Input Parameters | |||
Maximum Rated Input DC Power |
600W |
700W |
800W |
Maximum Input Current |
15A DC |
20A DC |
21A DC |
Maximum Input Voltage |
55V |
55V |
60V |
Output Parameters | |||
Maximum Output Current |
15A DC |
20A DC |
21A DC |
Overcurrent Protection |
18A DC |
23A DC |
23A DC |
Maximum Output Voltage |
42V DC |
42V DC |
60V DC |
General Data | |||
Maxmum Efficiency |
99.5% | ||
DC Short-Circuit Protection |
Yes | ||
DC Input Connector |
MC4 | ||
Weight(Including cables) |
510g | ||
OD of Wire |
5.7/6.1/6.4 mm | ||
Dimensions(W × L × H) |
105 × 100 × 21 mm | ||
Input Wire Lenght |
0.5 m | ||
Output Wire Lenght |
1 m | ||
Operating Temperature Range |
-40℃ ~ 85℃ | ||
Standard(s) for Safety |
UL1741, IEC62109-1 | ||
EMC |
IEC61000-6-2, IEC61000-6-3 | ||
Protection Rating |
IP68 | ||
Fire Rating Degree |
5VA | ||
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We provide samples for free, you just need to tell us what you need
How to Select the Right Power Optimizer for Your Application
❌ Common Problems in Solar Systems
Shading reduces entire string output
Panel mismatch causes energy loss
Hard to monitor individual panels
Feature | MOREDAY | Traditional System |
|---|---|---|
Shading Impact |
Low |
High |
Monitoring |
Panel-level |
System-level |
Efficiency |
High |
Medium |
PV Optimizer Factory
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More Than Just a Power Optimizer Manufacturer
At MOREDAY, we go beyond manufacturing MCBby offering a suite of value-added services tailored to meet your project needs. Our commitment to excellence ensures that every customer receives personalized attention, expert guidance, and seamless support throughout their journey with us.

Technical Consultation
Our engineering team provides professional DC protection design support for solar PV systems. From breaker selection to full combiner box configuration, we help you ensure safety, compliance, and long-term reliability.

OEM & Custom Solutions
We support logo printing, customized voltage ratings, special tripping curves, and private label packaging. MOREDAY helps distributors and project contractors build competitive branded products for local markets.

Certified Quality Assurance
Our products comply with CE, CB, and TÜV standards. Each unit undergoes strict testing for breaking capacity, temperature rise, and durability to meet international project requirements.

Global Project Experience
MOREDAY products are widely used in solar power plants, energy storage systems, EV charging stations, and industrial applications across Europe, Asia, and Africa.
Knowledge About Solar Power Optimizer
- What is an Solar Power Optimizer?
Power optimizers are essentially DC-DC converters, taking the DC power from a solar panel at whatever voltage and current is optimal (via MPPT), then converting that to a different voltage and current that best suits the central / string inverter.
- How Does a Solar Power Optimizer Work?
When activated, the Power Optimizer reduces the output voltage and increases the output current to match the string current. This means that the BRC Power Optimizer can continue to feed the available module power into the PV system.
- Key Components of a Solar Power Optimizer
A solar power optimizer (also known as a PV power optimizer) is a module-level device designed to maximize the energy output of each solar panel. Its performance relies on several critical internal components:
1. MPPT Controller (Maximum Power Point Tracking)
The core of any optimizer is the MPPT controller, which continuously tracks the optimal voltage and current of each solar module.
Ensures each panel operates at its maximum power point
Minimizes energy losses caused by shading or mismatch
Improves overall system efficiency
👉 This is what makes optimizers more efficient than traditional string systems.
2. DC-DC Converter
The DC-DC converter regulates and adjusts the output voltage of each panel.
Stabilizes voltage across the PV string
Allows flexible system design
Enhances compatibility with different inverters
3. Monitoring & Communication Module
Modern optimizers include a communication unit for real-time monitoring.
Tracks performance at panel level
Detects faults quickly
Supports remote diagnostics
👉 Especially important for commercial and utility-scale systems.
4. Safety Protection System
Safety is a key selling point for overseas buyers.
Rapid shutdown capability (in compliance with safety standards)
Overvoltage and overcurrent protection
Arc fault detection (in advanced models)
5. Thermal Management System
Optimizers operate in harsh outdoor conditions, so heat control is essential.
Efficient heat dissipation design
Ensures stable operation in high temperatures
Extends product lifespan
6. Enclosure & Waterproof Design
The outer housing protects internal components.
Typically rated IP67 / IP68
Resistant to dust, moisture, and UV exposure
Suitable for long-term outdoor installation
Get Your Solar Power Optimizer Quote Today
We provide samples for free, you just need to tell us what you need