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DC Combiner Box

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MOQ : 10 Pieces

DC Combiner Box Specification

Surface Finish
Powder Coated

Overheating Protection
YES

Shape
Rectangular

Humidity %
95% RH

Efficiency
Up to 98%

Operating Temperature
-10C to 55C

Mounting Type
Wall Mounted

Feature
Weatherproof, UV Resistant

IP Rating
IP65

Connector Type
MC4 Compatible

Insulation Material
Polycarbonate

Product Type
DC Combiner Box

Application
Solar PV System

Protection Level
Surge Protected

Frequency (MHz)
50-60 Hz

Rated Voltage
1000 V DC

Output Type
Terminal Block

Color
Grey

Dimension (L*W*H)
400 mm x 300 mm x 150 mm

Weight
6 kg

Input Voltage
12V to 1000V DC

Size
Standard

Phase
Single & Three Phase

No Of Poles
4 Poles

Material
Polycarbonate

Connection Type
Screw Terminal

Surge Protection Device
Type II SPD

Cable Gland Type
Nylon PG

Busbar Material
Copper Tin Plated

DC Switch
1000V, 32A

DC Fuse
10x38mm, 15A

Enclosure Type
Double Insulated

Number of String Inputs
4 In / 1 Out

Compliance Standard
IEC 61439-1 & 2

Maximum Current per String
15A

DC Combiner Box Trade Information

Minimum Order Quantity
10 Pieces

Payment Terms
Cash Advance (CA)

Delivery Time
2-5 Days

Main Domestic Market
All India

About DC Combiner Box

Backed by a diligent team of professionals, we are able to provide DC Combiner Box, which is designed for combining more than one source circuits from a PV array right into a unmarried DC source and monitoring big PV turbines. The offered combiner box is available with us in several specifications as per clients requirements. This combiner DC Combiner Box is manufactured using latest technology and are offered at the most competitive price to the clients.

Product Details:

Frequency	50-60 Hz
Box material	Steel Alloy
Shape	Rectangle
Feature	Flameproof
Voltage (V)	220-240 V

Advanced Protection & Durability

This DC Combiner Box offers comprehensive surge and overcurrent protection with its Type II SPD and 15A DC fuses. The double-insulated polycarbonate enclosure achieves IP65 weatherproofing and UV resistance, ensuring safe operation in both indoor and outdoor solar PV installations. Powder coating further enhances durability, and the copper tin-plated busbar assures long-lasting conductivity and minimal maintenance.

Flexible Integration & High Performance

With support for both single and three-phase applications, this box easily integrates into various solar setups. Its rated voltage of 1000V DC, broad input range (12V to 1000V DC), and up to 98% efficiency suit residential, commercial, and industrial energy projects. The enclosure supports up to 4 inputs, each protected up to 15A, consolidating outputs smoothly into a terminal block for straightforward wiring and troubleshooting.

FAQs of DC Combiner Box:

Q: How does the DC Combiner Box enhance safety in solar PV systems?

A: The DC Combiner Box provides enhanced safety through Type II Surge Protection Devices (SPD), 15A fuses on each string, and a double-insulated, weatherproof polycarbonate enclosure. This setup protects against overcurrent, voltage surges, and environmental threats, aligning with IEC 61439-1 & 2 standards.

Q: What is the recommended process for installing the DC Combiner Box?

A: Installation involves securely mounting the box on a wall, connecting up to 4 DC inputs using MC4-compatible connectors and nylon PG cable glands, then routing the combined output via the terminal block. All wiring should follow local codes, and the included DC switch should be turned off during setup for safety.

Q: When should overheating protection be considered during operation?

A: Overheating protection is built into the DC Combiner Box. However, users should ensure the ambient temperature stays within the operating range of -10C to 55C, and avoid overloading each string beyond its 15A maximum or the output above 32A to maintain optimal safety and performance.

Q: Where is this DC Combiner Box typically installed?

A: The box is typically mounted on walls near solar PV arrays or inverters. Its IP65 rating, UV resistance, and weatherproof polycarbonate construction make it suitable for both indoor and outdoor environments, including rooftops and commercial solar installations.

Q: How does the box contribute to the efficiency of a solar PV system?

A: By consolidating string inputs and providing dependable surge, overcurrent, and overheating protection, the box minimizes potential electrical losses. The use of copper tin-plated busbars, robust terminal blocks, and high-quality insulation all contribute to sustained efficiency rates up to 98%.

Q: What types of solar PV projects benefit most from this combiner box?

A: This combiner box is ideal for residential rooftops, commercial complexes, and industrial solar farms needing 4-string consolidation, high surge protection, and reliable safety. Its compatibility with single and three-phase systems adds to its versatility for diverse project requirements.

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