MPPT Solar Charge Controllers
CoolMax SRX
Featuring over thirty years of AERL's MPPT and Battery Charging experience, the CoolMax SRX offers a superior tracking algorithm, an ultra-low loss, high efficiency thermal design, backed by our Australian factory warranty and local support.
Key Features
Engineered for reliability and performance in the most demanding environments.
High Input Voltage for Ease of Install
600V PV input capability simplifies installation and reduces wiring costs for your solar array.
On-Board Ground Fault Detection
Built-in safety features to ensure system protection and compliance with electrical standards.
PV Array Oversizing Support
Support for PV array oversizing maximizes energy harvest in less than ideal conditions.
System selection
Choose the right SRX documentation
Match the controller to your battery system before sizing the PV array. The specification table below describes the 24V/48V version; use the linked 120V documents for that model’s ratings.
SRX 48V documentation
Start with the 48V edition for its supported battery-voltage range, charging limits and installation requirements.
SRX 120V documentation
Use the dedicated 120V edition when specifying a 120V battery system. Check its charging and PV array limits separately.
Technical Specifications
Industry-leading technology designed for reliability and performance in demanding environments
Key Features
- High Input Voltage for Ease of Install
- Supports PV Oversizing
- Reverse Polarity and Current Protection
- Designed and Engineered in Australia
Resources & Documentation
Access technical specifications, installation guides, and certification documents
Showing 9 resources
Selectronic DC-Coupled System – Example Wiring Diagram
Detailed wiring diagrams for installation
CoolMax SRX – Selectronic SP PRO Integration Guide
Integration guide for SP Pro inverters
Ready to enhance your standalone power system?
Contact our team to learn how the CoolMax SRX can maximize efficiency and reliability in your standalone power system.