English
Bahasa Melayu
Suomen kieli
عربي 
Português
Français
Pусский
Español
Why DC Combiner Box Is Essential for PV Systems
If you're a solar system buyer, installer, or project manager, let's get straight to the point—you're here because you need a definitive answer: Does your solar system really need a DC combiner box? A
• Designed for AC circuits with 50Hz/60Hz frequency, rated operating voltage up to 230V/400V, and rated current from 6A to 63A.
• Provides reliable overload and short-circuit protection for electrical lines and equipment in modern buildings.
• Suitable for infrequent circuit switching and isolation.
• Supports manual dual-power supply switching when equipped with an optional interlock accessory, ensuring uninterrupted power supply to the load.
| PRODUCT MODEL | SCB8-63 | |||
| Pole | 1P | 2P | 3P | 4P |
| Rated Operational Voltage/Ue(V) | 230/400VAC | 400VAC | 400VAC | 400VAC |
| Rated Operational Current/In(A) | 6,10,16,20,25,32,40,50,63A | |||
| Frequency(Hz) | 50/60HZ | |||
| Ultimate Breaking Capacity/cu(kA) | 6kA | |||
| Rated Breaking Capacity/Ics(kA) | 6kA | |||
| Max. Impulse Current/limp(A) | 6kA | |||
| Mechanical Life | 20000 | |||
| Electrical Life | 4000 | |||
| Fire-retardant Enclosure Level(mm) | 18*79.5*77.5 | |||
| Wiring diagram |  |
 |
 |
 |
| Device Width × Height (mm) | V0 | |||
| Method of Mounting | DIN RAIL | |||
| Mounting | Easy installed and fastening onto 35mm device rail(DIN) | |||
| Terminal Capacity | 25mm² | |||
| Fastening Torque of Terminals | 3N | |||
| Location | Indoor or in the Water-proof Box | |||
| Ambient Temperture | -5℃ To 50℃ | |||
| Altitude | ≤2000m | |||
| Relative Humidity | 90% | |||
| Weight(per pole) | 0.12kg | |||
| Pollution Level | 2 | |||
| Installation Class | Ⅱ/Ⅲ | |||
GET A QUOTE