600V 3-String PV Combiner Box with Integrated Protection System

Max. DC Voltage: 600V
Input/Output Strings: 3-in / 1-out
Max. Input Current (per string): 20A
Max. Output Current: 63A
Surge Protection: Type 2, 40kA
DC Fuse: 10x38mm, 15A
DC Protection Switch: DC MCB, 2P, 600V/63A

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Product Introduction

The EKDBS-PV3/1-BFS-600 is an advanced 600V DC combiner box designed to combine three separate PV strings into a single output, providing comprehensive protection for medium-sized solar installations. This professional-grade unit offers complete circuit safeguarding in a spacious IP65-rated enclosure.

Applications:

The EKDBS-PV3/1-BFS-600 is particularly well-suited for medium-sized solar installations where multiple strings need to be combined into a single output, such as:

Commercial rooftop installations with multiple array sections
Residential systems with arrays facing different directions
Agricultural installations with distributed panel locations
Small-scale solar farms requiring string-level protection

Product Parameters

Model	EKDBS-PV3/1-BFS-600
Number of input strings	3
Number of output strings	1
Max. DC voltage	600V
Max. input current per string	20A
Max. output current	30A
Surge Protection
Type	Type 2
Max. operation voltage (Ucpv)	600V
Max. discharge current (Imax)	40kA
Voltage protection level	2.6kV
Poles	2
Design features	Plug-in module
Standard	IEC/EN 61643-31
DC Fuse
Rated operation voltage(Ue)	1000V
Rated current (Ie)(Changeable)	15A
Type of fuses	10x38mm,30kA
Standard	IEC 60947-3 & IEC 60269-6
DC Protection Switch	DC MCB
Rated insulation voltage (Ui)	1000V
Rated operating voltage (Ue)	600V
Rated current(Ie)	63A
Poles	2P
Standard	IEC/EN 60947-3
Enclosure
Material type	PC
Degree of Protection	IP65
Impact protection level	IK08
Enclosure size	296x230x121.5mm (13 ways)
Input or output connector	Waterproof gland (default), MC4 connector (optional)
Environment
Operating Temperature	-25℃ to +55℃
Cooling way	Natural cooling
Humidity	0~95%
Altitude	2000m
Installation	Wall Mounting