Maple Leaf Surge Protection Combiner Box – SPS-COM:4231

Certified, Weatherproof, and Built for Canadian Solar Systems

The Maple Leaf SPS-COM:4231 Combiner Box is a professional-grade DC input protection unit designed to centralize and secure your solar power setup. Built for harsh Canadian conditions, this combiner box merges multiple PV strings into one safe, high-capacity DC output, complete with surge protection, DC breakers, and a robust weatherproof enclosure.

With universal voltage compatibility (12V/24V/48V), high-voltage SPD up to 1000V, and support for up to 3 strings, it’s the smart choice for residential, cottage, and off-grid installs. Certified to CSA, UL, and IEC standards, it’s backed by a 10-year warranty and designed to work with virtually all major solar brands.

✅ Key Features

• Supports up to 3 solar input strings (2 x 20A or 3 x 16A configuration)
• Rated up to 1000V DC with surge protection up to 40kA
• Overvoltage & overcurrent protection built-in via high-speed SPD and DC circuit breakers
• Compatible with 12V, 24V, and 48V systems
• Rapid shutdown compatible, includes reverse polarity and short-circuit protection
• Rugged IP65 weatherproof aluminum case, designed for -45°C to +60°C
• Simple installation with pre-drilled enclosure, field-inspectable, and inverter-agnostic
• Ideal for rooftop, ground-mount, and hybrid solar systems

🔧 Technical Specifications