3 String Solar Combiner Box 600V Integrated Protection

Name: 3 String Solar Combiner Box 600V - ETEK Electri
SKU: EKDBS-PV3/1-BFS-600

Medium-scale photovoltaic installations demanding reliable circuit aggregation rely on the 3 String Solar Combiner Box. The professional-grade EKDBS-PV3-1-BFS-600 efficiently merges three separate DC inputs into a single output, delivering uncompromising 600V DC isolation and Type 2 surge protection inside a spacious, IP65-rated waterproof enclosure.

Request a Quote

Pricing is quoted per order — tell us your quantity and destination and our sales team will respond with a full offer.

ModelEKDBS-PV3/1-BFS-600

CategoryUncategorized

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the 3 String Solar Combiner Box

Constructed to simplify medium-sized multi-string configurations, this 3 String Solar Combiner Box integrates robust surge protection and independent DC isolation within a highly durable polycarbonate housing.

Triple-Input Aggregation: Efficiently merges three separate PV strings into a single output, making this 3 string solar combiner box ideal for systems facing multiple orientations.
Advanced Surge Protection: Equipped with a Type 2 40kA DC surge protective device (SPD) to instantly suppress damaging voltage spikes and safeguard downstream inverters.
Reliable DC Isolation: Features a dedicated 600V/32A DC isolator switch (4-Pole) for safe, rapid circuit disconnection during vital maintenance operations.
Individual String Protection: Includes six 10A (10x38mm) DC fuses to safely interrupt catastrophic overcurrents directly at the solar source for each string.
Weatherproof Architecture: The durable PC enclosure carries a strict IP65 protection degree and an IK08 impact rating for long-term outdoor resilience against dust and rain.

Commercial Applications for the 3 String Solar Combiner Box

Deploying the EKDBS-PV3/1-IFS-600 secures vital DC nodes, acting as a highly dependable 3 string solar combiner box for medium-scale solar infrastructures.

Applications & Use Cases

Medium Commercial Rooftops: Optimizes system layouts by combining multiple array sections while ensuring comprehensive electrical protection for central inverters.
Complex Residential Systems: Ideal for domestic solar arrays facing different directions, allowing for safe aggregation and optimized power harvesting.
Distributed Agricultural Solar: Protects small-scale solar farms and agricultural installations with distributed panel locations requiring robust string-level protection.

Technical Specifications with the 3 String Solar Combiner Box

Evaluate the exact voltage ratings and environmental tolerances below to seamlessly integrate this 3 String Solar Combiner Box into your specialized outdoor solar installations.

General & Electrical Data (IEC/EN 61643-31, IEC 60947-3)

Electrical & Environmental Specifications
System Configuration
Model	EKDBS-PV3/1-IFS-600	Max. DC voltage	600V
Number of input strings	3	Number of output strings	1
Max. input current (per string)	10A	Max. output current	30A
Surge Protection Device (SPD)
Protection Type	Type 2 (Plug-in module)	Max. operation voltage (Ucpv)	600V
Max. discharge current (Imax)	40kA	Voltage protection level	2.6kV
Poles	2P	Standard	IEC/EN 61643-31
DC Fuse & Protection Switch
DC Fuse Type	10x38mm, 30kA	Rated operation voltage(Ue)	1000V
Rated current (Ie)	10A (Changeable)	Fuse Standard	IEC 60947-3 & IEC 60269-6
Switch Type	DC Isolator	Rated operating voltage (Ue)	600V
Rated insulation voltage (Ui)	1500V	Rated current (Ie)	32A
Poles	4P	Switch Standard	IEC/EN 60947-3
Enclosure & Environment
Material type	PC (Polycarbonate)	Enclosure size	380 x 230 x 121.5mm (18 ways)
Degree of Protection	IP65	Impact protection level	IK08
Operating Temperature	-25°C to +55°C	Input/Output connector	Waterproof gland (default), MC4 (optional)
Altitude	2000m	Installation	Wall Mounting (Natural cooling)
Humidity	0~95%

Dimensions and Wiring of the 3 String Solar Combiner Box

Verify the exact IP65 enclosure footprints and internal circuit routing below to guarantee perfect mounting for this 3 String Solar Combiner Box.

Dimensions & Wiring

3 string solar combiner box

Internal Components Table

Verify the pre-installed protective components included within the EKDBS-PV3/1-BFS-600 enclosure.

Component	Specification / Model	Quantity
Enclosure of Box	EKDB10-13	1
DC SPD	EKU5-T2-40PV-2M600 (40kA, 2P, 600VDC)	1
DC MCB	EKM1-63DC-263 (2P, 600VDC, 63A)	1
DC Fuse with Link	EKF1-10XPVH-10-1P (15A, 1000VDC)	6
Input cable gland	PG9 (4-8mm) (Default)	6
Input cable gland	MC4 (Optional)	3 Sets
Output cable gland	PG21 (13-18mm) (Default)	1
Output cable gland	MC4 (Optional)	1 Set
PE cable gland	PG7 (3-6.5mm)	1