Power Generation

Solar DCDB

Guard Series

500V DCDB

DCDB 1in 1out

DCDB TB-MCB-SPD

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

DCDB FUSE-TB-MOV

DCDB 2in 2out

DCDB TB-MCB-SPD

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

fusemcbspd

DCDB FUSE-TB-MOV

1000V DCDB

1in 1out

DCDB TB-MCB-SPD

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

DCDB FUSE-TB-MOV

2in 2out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

3in 3out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

4in 4out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

5in 5out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

6in 6out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

7in 7out

DCDB FUSE-MCB-SPD

8in 8out

DCDB FUSE-MCB-SPD

9in 9out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

10in 10out

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

12in 12out

10in 10out

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

14in 14out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

16in 16out

DCDB FUSE-MCB-SPD

DCDB FUSE-TB-SPD

DCDB FUSE-MCB-MOV

18in 18out

DCDB FUSE-MCB-SPD

DCDB FUSE-MCB-MOV

Shield+ Series

500V DCDB

DCDB 1in 1out

DCDB TB-MCB-SPD

Solar ACDB

Guard Series

1-Phase ACDB

ACDB 1in 1out

ACDB TB-MCB-SPD

Solar Combiner Boxes

Solar Combiner Boxes

Solar AC Combiner Boxes

Solar AC Combiner Boxes

Solar Structures

Solar Structures

Solar Charge Controller

Solar Charge Controller

Solar PCU

Solar PCU

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solar DCDB 8in8out [FUSE+TB+MOV+DIODE]

GEESYS solar DCDB 8in8out [FUSE+TB+MOV+DIODE] Board (DCDB) with an 8-in/8-out configuration featuring Fuse, Terminal Block (TB), Metal Oxide Varistor (MOV), and Diode is a sophisticated and essential component for managing and protecting solar power systems. This DCDB ensures efficient distribution and robust protection of electrical currents from solar panels to other system components.

Product Details
Brand:	GEESYS	Type:	Solar DCDB
Series:	Guard Shield	Dispatch:	Between 10-15 Days
Model:	GD1080808D	Price:	INR 23500/-*

GEESYS solar Direct Current Distribution Board (DCDB) 8-in/8-out configuration, equipped with Fuse, Terminal Block (TB), Metal Oxide Varistor (MOV), and Diode, is an advanced and essential component for solar power systems. This DCDB is designed to efficiently manage the distribution of electrical power from multiple solar panels, ensuring protection and reliability throughout the system.

In solar DCDB 8in8out [FUSE+TB+MOV+DIODE] fuse is a safety device that provides overcurrent protection. It is designed to interrupt the circuit if the current exceeds a specified limit, thereby preventing damage to the system and reducing the risk of fire. It is located on the input side of the DCDB, the fuse ensures that excessive current from the solar panels is safely interrupted before reaching other internal components. It acts as a sacrificial component that melts when subjected to overcurrent, thereby breaking the circuit. The terminal block provides a secure and organized method for electrical connections. It allows for the connection of multiple wires from solar panels to the DCDB and facilitates the distribution of electrical current to various output circuits. It is positioned on both the input and output sides of the DCDB, the terminal block ensures reliable and manageable connections. On the input side, it connects the solar panel cables to the DCDB. On the output side, it distributes the current to different circuits or components within the solar power system. The MOV is a surge protection device that absorbs and dissipates high-voltage transients or spikes, such as those caused by lightning or electrical switching. It protects the DCDB and connected components from damage due to voltage surges. It is installed on the input side of the DCDB, the MOV clamps excessive voltage to a safe level and diverts the excess energy away from the system. This helps protect sensitive electronic components from potential damage caused by transient voltage spikes. The diode prevents reverse current flow, which can occur if there is a fault in the system or if the solar panels are not generating power. It ensures that current only flows in one direction, protecting the solar panels and other system components. It is typically integrated into the circuit to block reverse currents and ensure that power flows correctly from the solar panels to the DCDB. By preventing reverse flow, the diode helps maintain the proper operation and longevity of the solar power system..

Key Features

All of DC Distribution boxes is tested/certified as per IEC/IS standard
The enclosure is accessible only via the tools in order to ensure the protection
Customizable based solution as per customer needs & requirements
Reliable electric safety to avoid hazard
Easy and decent Cable management
Wall mounting design for easy installation and maintenance
Every terminal is secured and weather proof for outdoor applications also, highly secure wiring, besides being insulated with PG Cable Gland or built-in MC4 terminal connector on demand
Protects the system if there is any fault during failure in DC side

Technical Specifications

Solar String combiner Boxes

Model	GPRO-D5X	GPRO-D10X
Maximum Voltage in open Circuit	1000V	1500V

Input

No of DC inputs

1-52

Maximum Input Fuse* Rating, A *	6/10/12/15/20/30
Max Input Current in short Circuit
Max. input current in short circuit at STC
Maximum string current per fuse holder with all string fuse*	Reduction factor 0.55
Conductor Size, Sq.mm	4 — 4-10 Sq.mm

Output

No of DC Outputs 1	150 Sq.	150 Sq.
Maximum DC Current, A *	Upto 630A	Upto 630A
Isolator/MCB A*	4 — 100/250/315/400/500/630	4 — 100/250/315/400/500/630
*4 — 193 to 3012*
Conductor Size, Sq.mm	4 — 10-300 Sq.mm	4 — 10-300 Sq.mm
Cable gland clamping range, mm	17-50

Protection

DC inputs overcurrent protection

Protection on both polarities, gPV fuses,size 10 x 38 mm, max. rating 30 A (fuses not provided with product)

Surge Protection Device (SPD)*

< <=1000V DC, Class C/Class B/ Class B+C

1500V DC, Class C/Class B/ Class B+C

Electric shock protection	Class II equipment
320V AC, SPD	320V AC, 40 KA, type-2, Iscpv 100A
48V DC, SPD	48V DC, 40 KA, type-2, Iscpv 100A

String Monitoring Unit

Max Current per String	8-52 Channel, 50A, Hall Effect Based CT
Voltage Measurement	1 Channel (1000V DC Maximum), Accuracy: 1.5FSD
Internal Temperature Measurement	0 - 100°C, Accuracy ± 2°C for full scales
Data communication (Isolated)	RS 485 Modbus RTU Protocol, 2.5KV Isolation, Half Duplex
I/O's;	DI:2, DO:1; AI:2; Temp Input : 1 RTD PT100 3 Wire
Auxiliary Power Supply	230V AC, 50Hz, 1-Ph/±15V DC, lA

General

Ingress Protection	IP66/65
Enclosure Type	*PS/PC, Transparent Top cover**
Wall mounting	Yes
Bus Bar*	Yes
Operating conditions Temp :	-20 to+55 Deg. C, RH: 0 — 95% non cond

Applications

Solar PV Power Plants

Downloads

Catalogue	Format	Size	Date
Solar BoS Catalogue	PDF	2.1MB	21Jun2019
Solar DCDB	PDF	2.1 MB	21Jun2019
User Guide
Warranty Terms & Conditions	PDF	326.2 kB	21Jun2019
Certification
Solar COMBO Test Report	PDF	1.2 MB	21Jun2019

Frequently Asked Questions

1. What is a Solar DCDB?

A Solar DCDB (Direct Current Distribution Box) is an essential component in a solar power system. It combines the output from multiple solar panels, provides protection through fuses and circuit breakers, and distributes the DC power to the inverter.

2. What is the difference between Acdb and Dcdb?

ACDB full form is AC Distribution Board or AC combiner box and DCDB means DC Distribution board or array junction box. Solar acdb mostly install after the solar inverter but before connected load or LT panels.

3. Why do I need a Solar DCDB for my solar power system?

A Solar DCDB is necessary to ensure the safe and efficient operation of your solar power system. It protects the system from overcurrent, short circuits, and other electrical faults, and helps in managing and distributing the generated DC power properly.

4. What are the key features of a Solar DCDB?

Key features of a Solar DCDB include:

DC circuit breakers
Fuses for each string
Surge protection devices
Bus bars
DC isolators
Monitoring capabilities

5. How do I choose the right Solar DCDB for my system?

Choosing the right Solar DCDB depends on factors such as the total DC capacity of your solar panels, the number of strings, and the specific protection and monitoring requirements. It is best to consult with a professional to determine the appropriate DCDB for your system.

6. Can a Solar DCDB be used for both residential and commercial solar installations?

Yes, Solar DCDBs are available for both residential and commercial installations. The size and specifications will vary based on the scale and requirements of the installation.

7. How is a Solar DCDB installed?

Installation of a Solar DCDB should be carried out by a qualified electrician or solar installer. It involves connecting the DC cables from the solar panels to the DCDB, ensuring proper grounding, and configuring the protection devices as per the system design.

8. What maintenance is required for a Solar DCDB?

Regular maintenance for a Solar DCDB includes:

Checking and tightening connections
Inspecting and replacing fuses or circuit breakers if necessary
Ensuring that the surge protection devices are functioning properly
Cleaning the enclosure to prevent dust and debris buildup

9. What safety precautions should be taken when working with a Solar DCDB?

When working with a Solar DCDB, always follow these safety precautions:

Disconnect the solar panels and ensure no DC power is flowing before performing any maintenance or installation
Use insulated tools and wear protective gear
Follow the manufacturer’s guidelines and safety standards

10. What is the difference between a Solar DCDB and an ACDB?

A Solar DCDB is used for managing and protecting the DC power generated by solar panels before it is converted to AC by the inverter. An ACDB (Alternating Current Distribution Box) is used to manage and protect the AC power after it has been converted by the inverter.

11. How does a Solar DCDB contribute to the overall efficiency of a solar power system?

A Solar DCDB helps in optimizing the performance of the solar power system by ensuring that the DC power from the solar panels is efficiently distributed and protected from faults. This reduces downtime and potential damage to the system, thereby maintaining overall efficiency.

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