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PV System

DNHLX-PV2 / 1 DC combiner box
size 300x260x140


Mode:DHLX-PV2/1

Maximum input current for each string:15A

Maximum output switch current:20A/32A

Category of test:Ⅱ grade protection

Poles:2P 3P

Email: [email protected]

Keyword:combiner box

Customizable processing

DNHLX-PV2 / 1 DC combiner box

Description

DNHLX-PV2 / 1 DC combiner box is suitable for inverter( MAX input voltage DC550V / DC1000V , 2 PV input channel , 1 output channel , single MPPT inverter ) . Box body is made of PVC engineering materials , with test for fire retardant , temperature rise , anti impact , anti ultraviolet , and other testing. IP65 protection grade.

Design and configuration , strictly accordance with the “Technical specification for photovoltaic junction equipment ” CGC / GF 037 : 2014 . Provide users with a safe , brief , beautiful and applicable photovoltaic system products.

Advantages

  • Strong Adaptability

    IP65 design , waterproof , anti dust and anti ultraviolet. Strict test for high and low temperature , used widely .

    The simple installation , the simplified system wiring ,the convenient wiring.

    The box body is made of cold rolled steel and other metal materials

  • Flexible configuration

    Used for single crystal silicon solar modules ,polycrystalline silicon solar modules , thin film solar modules .

    Current rating of the photovoltaic fuse ,circuit breaker , load isolation switch is modified.

combiner-box

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Application Scenarios

  • Residential Solar System

Provides efficient and safe solar power solutions for homeowners.

  • Commercial Solar Systems

Ideal for rooftop solar installations on commercial buildings, enhancing power utilization.

  • Industrial Solar Systems

Suitable for large-scale industrial solar projects, offering reliable power support.

combiner box

Technical Parameter

Model DHLX-PV2/1

Electric parameter

System maximum dc voltage 550                           1000
Maximum input current for each string 15A
Maximum input strings 2
Maximum output switch current 20A/32A
Number of inverter MPPT 1
Number of Output strings 1

Lightning protection

Category of test Ⅱgrade protection
Nominal discharge current 20KA
Maximum discharge current 40KA
Voltage protection level 2.8KV                   3.8KV
Maximum continuous operating voltage Uc 630V                   1050V
Poles   2P                      3P
Structure characteristic Plug – push module

System

Protection grade

IP65

Output switch DC isolation switch ( standard ) / DC circuit breaker ( optional )

SMC4 Waterproof Connectors

Standard

pv dc fuse

Standard

pv surge protector

Standard

Monitoring module

Optional

Preventing diode

Optional

Box material

PVC

Installation method

Wall mounting type

Operating Temperature

~25℃∽+55℃

Elevation of temperature

2km

Permissible relative humidity

0-95% , no condensation

Mechanical parameter

Width x High x Depth 300x260x140

Schematic Diagram

isolator switch

Does a solar combiner box increase the voltage?

A solar combiner box does not increase the voltage of the solar power system. Its main role is to combine the currents from multiple solar panel strings, simplifying the system’s wiring and improving its efficiency. For those looking to increase voltage, additional equipment like inverters or transformers is required. By understanding the function and benefits of a combiner box, users can better design and maintain their solar energy systems.

Installation Guide

  • Preparation: Ensure all components are available and check the installation site.
  • Mounting: Securely mount the combiner box on a stable surface.
  • Wiring: Connect the PV input cables to the designated input channels and the output cable to the output channel.
  • Testing: After installation, perform a thorough check to ensure all connections are secure and the system is functioning correctly.

FAQ:

1、What is the purpose of a DC combiner box?

A DC combiner box consolidates multiple photovoltaic inputs into a single output, enhancing the efficiency and safety of solar power systems.

2、Can the DNHLX-PV2 combiner box be used in harsh environments?

Yes, its IP65 rating ensures it is waterproof, dustproof, and UV-resistant, suitable for various environmental conditions.

3、Is the installation of the DNHLX-PV2 combiner box complicated?

No, the box is designed for easy installation with simplified wiring and clear instructions.

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