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Solar DC Electrical Combiner Boxes 4 INPUT 4 OUTPUT 1000VDC 60A

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Solar DC Electrical Combiner Boxes 4 INPUT 4 OUTPUT 1000VDC 60A

Product Description:


  • Robust Design: IP65-rated ABS enclosure for harsh environments.
  • High Safety: Integrated surge arrester (40kA) and fuse protection.
  • Flexible Configuration: Adjustable input current (60A) and wide fuse range (10A–80A).
  • Certified Compliance: Meets IEC/EN standards with TUV & CE certifications.

P65 DC string box is designed for 4 string PV system. For surge protection and current protection at solar DC side.

These are used to allow the parallel connection of several strings of PV modules or to enable large or armoured cables to be connected from the PV array to charge controller or inverter location so minimising voltage & power losses. Since the PV array cannot be switched off these junction boxes must be labelled as ‘PV Array Junction Box – Danger, contains live parts

during daylight’.These boxes can also contain string fuses which provide a means to isolate the PV strings. String fuses must be provided for all arrays formed of N parallel strings, where (N-1) x Isc (module short circuit current) is greater than the module maximum series fuse rating. String fuses are required in both positive and negative legs of the string cabling.

Product parameters:

CategoryParameterValue / Details
General DataModel No.ECBZ-4/SLCE/250305/2
Input4 String
Output4 String
Maximum Voltage1000V
Max DC Short Circuit Current (Input)60A (adjustable)
Maximum Current Output63A
EnclosureMaterial TypeABS
Degree of ProtectionIP65
Dimensions (W×H×D)500×600×220 mm
Cable Input/Output EntryCable Gland M16
CertificationTUV
DC Surge ArresterMax Operation Voltage (Upov)1000V
Standard ComplianceIEC/EN 61643-31
Max Discharge Current40kA
TypeType 2
CertificationTUV, CE
DC Fuse HolderRated Working Voltage1000V
Rated Working Current10A–80A
Fuse Link Size22×58 mm (60A)
CertificationCE
DC Switch DisconnectorRated Voltage (Ue)1000V
Rated Current (Ie)63A
CategoryDC21B/PV1
Standard ComplianceIEC 60947-3
CertificationCE
EnvironmentOperating Temperature-20°C to +60°C
Humidity99%
Altitude2000m
InstallationWall Mounting

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