Maple Leaf Surge Protection Combiner Box – SPS-COM:4231
$425.00
1000V combiner box with DC breakers and 40kA surge protection. Supports up to 3 PV strings (16A/20A), reverse polarity safe, and rapid-shutdown ready. Certified UL/CSA. Built tough for Canadian solar systems with IP65 case and 10-year warranty.
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
| Parameter | Value |
|---|---|
| Rated PV Input Voltage | 1000V DC |
| Max Number of MPPT Inputs | 3 |
| Max PV Input per MPPT | 20A (2 strings) / 16A (3 strings) |
| Max PV Short-Circuit Current/MPPT | 45A @ 100V |
| Overcurrent/Overvoltage Protection | Yes |
| Surge Protection (SPD) | Max Discharge 40kA / SCCR 5kA |
| Reverse Polarity Protection | Yes |
| Leakage Current Protection | Yes |
| DC Disconnect / Breaker | Included (600V/1000V) |
| Ingress Protection | IP65 |
| Cooling | Vented, passive |
| Dimensions (W x H x D) | 180 x 450 x 400 mm (7 x 17.7 x 15.75 in) |
| Weight | 15 kg (33 lbs) |
| Operating Temperature Range | -45°C to +60°C |
| Certifications | UL 1741, CSA 22.2, IEC compliant |
| Warranty | 10 years |
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