PV Combiner Box 4Way in 1 Way Out. DC Fuses 500VDC

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PV Combiner Box 4Way in 1 Way Out. DC Fuses 500VDC

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£229.00
4 String PV Combiners box with DC Fuses, DC isolator, maximum PV voltage 500VDC

Details

4-Way Combiner Box with DC Fuses & DC Isolator

Most of the solar panel strings have to connected in parallel with several PV modules. PV combiner boxes is the safest solution to connect the solar cables of the PV array to your battery charge controller or the inverter. The combiner boxes contain cylindrical string fuses to protect the PV string from high current. The fuses are compulsory all solar arrays with parallel strings. The current Amp rating is easy to calculate, (N-1) x Isc , this will give you the maximum rating of your string fuse. N is the number of parallel strings.  Isc is the short circuit current of the solar panel. It is imprerative to use fuses in both positive and negative terminals. 

  

  Reference    Strings    V    Isc    Overv. protection    Prot. Degree    Material (housing/cover)     Input conn.  
  ST041025 4  1000    25A  NoIP55GRP/PCGlands


This PV combiner connects in parallel up to 4 strings.

Number of Solar PV Strings In : 4

Number of Solar PV String Out: 1

The PV Combiner Box is fully wired and contains:

  • DC fuse 20A
  • DC circuit breaker or DC load isolation switch.
  • IP65 waterproof enclosure (anti-dust
The combiner is made to stand temperatures from -20 deg up to 45deg. The bottom side of the enclosure is equipped with cable glands. 
 

Typical Wiring Diagram - Photovoltaic String Combiner 

 Wiring Diagram of PV Combiner 4way with surge protection

Component Arrangement and dimensions

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