Combiner Box

Combiner Box Manufacturer

BENY specializes in custom solar combiner boxes for superior rooftop fire protection in residential, commercial & industrial settings and ground power stations. Solar DC combiner boxes link PV inverters and PV arrays, combining the output of a large number of strings to improve PV performance. Through the design of our combiner box, we enable easy integration of additional functions, such as the inclusion of switches and a second MPPT.

Residential Rooftop Combiner Box

As one of the trusted solar combiner box manufacturers, BENY is committed to delivering safe, efficient solutions for home rooftops. Featuring robust, weather-resistant construction and easy installation, BENY’s combiner boxes seamlessly integrate into existing setups, engineered to protect your investment in all conditions.

The DC Isolator Box enhances the safety of solar PV systems by isolating the DC circuit during maintenance or in emergencies.

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DC Isolator Box

IP65
600V/800V/1000V/1200V
Input: 1 to 6 strings
Output: 1 to 3 strings
Input current of each string: 15A to 30A
Output current: 16A to 63A
3ms arc suppression
Lockable at off position
Fuses for over-current protection (BHS-3 only)

DC Combiner Box is designed for 1, 2, 3 and 4 string PV system for surge protection and isolating at solar DC side.

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Door Clutch DC Box

Combining both DC and AC components in a single box can greatly reduce space and installation time. Separating the DC and AC sections with acrylic makes the layout clearer and more organized, ensuring safe operating.

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DC AC Combiner Box

IP65
DC600V/1000V, AC230V/400V
Input: 1 to 2 strings
Output: 1 to 2 strings
Input current of each string: DC 0 to 30A, AC 0 to 63A
Output current: DC 0 to 30A, AC 0 to 63A
Over-voltage and over-load protection for solar DC side
AC breaker and AC surge arrester at AC side

Type B RCDs provide protection against smooth DC residual currents, surpassing the capabilities of type A and type AC RCDs. As a result, type B RCDs offer the most comprehensive protection for the entire circuit.

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AC Distribution Box

Commercial and Industrial Combiner Box

BENY provides versatile, cost-effective combiner box solutions tailored for commercial and industrial applications. Our products adapt to various system capacities and wiring preferences, accommodating up to 24 sub-array inputs. Each box is tested to exceed industry standards, guaranteeing reliability and safety for business operations.

AFCI Combiner Box effectively detects arc fault signals and interrupts the circuit before faults develop into fires or short circuits. Indicator lights and an emergency stop button on the front cover allow you to check the operating status of the combiner box without opening the cover.

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AFCI Solar Combiner Box

IP65
600V/1000V/1500V
Input: 1 to 20 strings
Output: 1 string
Input current of each string: 15A/20A
Output current: 20A/150A/250A/400A
All DC components are UL listed
DC contactors up to 300A
Finger safe touch fuse holder for negative and positive poles

The AC Combiner Box is a solution designed with an integrated AC MCCB for AC input and output, and it includes Type 2 AC SPD for overvoltage protection on inverters. Customizable solutions are offered to meet the specific needs of different projects.

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AC Combiner Box

IP65
230V/400V/480V/690V/800V
Input: 1 to 4 strings
Output: 1 string
Input current of each string: 0 to 1600A
Output current: 125A/160A/250A
3 phase inverter protection
AC breaker or NH00 fuse switch for option
Type 2 AC SPD for protection

Utility Scale Combiner Box

Our PV combiner boxes are designed for large-scale systems, offering excellent current aggregation and superior heat dissipation to easily meet high-power photovoltaic array demands. The high protection grade enclosure and multiple electrical and lightning protections ensure comprehensive safety assurance even in harsh environments.