About ACDC DB Box
An ACDB (AC Distribution Box) and DCDB (DC Distribution Box) are essential electrical panels used in solar power systems to ensure safe power distribution and protection on both AC and DC sides of the installation. These distribution boxes protect inverters, solar panels, and connected loads from electrical faults such as overloads, short circuits, and surges.
ACDB and DCDB boxes are widely used in rooftop solar systems, commercial solar plants, and industrial photovoltaic installations.
i DCDB (DC Distribution Box)
The DCDB is installed between the solar panels and the inverter. It collects DC power from multiple solar strings and provides protection before supplying it to the inverter.
Key Features:
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DC MCBs or MCCBs for string protection
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DC Surge Protection Device (SPD)
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String monitoring (optional)
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High-quality copper busbars
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UV-resistant and weatherproof enclosure
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Proper earthing and cable management
Technical Specifications:
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Voltage: Up to 1000V / 1500V DC
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Current Rating: As per system capacity
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IP Rating: IP65 / IP66 (outdoor suitable)
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Material: Powder-coated metal / Polycarbonate
ACDB (AC Distribution Box)
The ACDB is installed between the inverter and the main distribution board. It distributes AC power from the inverter to the load or grid while providing necessary protection.
Key Features:
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AC MCCB/MCB for output protection
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AC Surge Protection Device (SPD)
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Energy meter provision (optional)
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Proper phase indication
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Robust enclosure with ventilation
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Grid and load isolation facility
Technical Specifications:
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Voltage: 415V (Three Phase) / 230V (Single Phase)
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Frequency: 50Hz / 60Hz
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Current Rating: Based on inverter capacity
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IP Rating: IP42 / IP54 / IP65
i Applications
i Benefits
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Enhances system safety
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Protects inverter and solar modules
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Reduces risk of surge damage
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Ensures organized and reliable power distribution
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Improves overall system efficiency
i Safety & Compliance
Manufactured in accordance with IEC / IS standards and solar industry guidelines, ensuring safe operation, proper insulation, and long service life in harsh environmental conditions.
High Standards of Safety and QualityBuilt to meet IEC 61439-3 and UL94 V-0 safety standards, this DB box is designed with shockproof and fire-retardant polycarbonate. The enclosure's protection class II and IP42 rating safeguard electrical circuits against dust and accidental contact, providing peace of mind in any installation location.
Advanced Features for Versatile ApplicationsCompatible with both single-phase and three-phase power, the distribution box includes a copper busbar, neutral link, earth link, and manual on/off control. Its transparent hinged door offers convenient visual inspection, while the natural air-cooled system keeps the internal components safe and functional.
Simple and Flexible InstallationThis wall-mounted, surface-type DB box with a 4-way configuration is easy to install thanks to its light polycarbonate construction and screw terminal connectivity. Suitable for indoor use with dimensions of 220 x 180 x 100 mm, it streamlines distribution panel setup for manufacturers, service providers, and traders alike.
FAQ's of ACDC DB Box:
Q: How do I install the ACDC DB Box securely on a wall?
A: The ACDC DB Box is designed for wall mounting with simple surface-mounting techniques. Use appropriate fasteners for the wall type, ensuring the box is level and anchored securely. The box's lightweight polycarbonate body allows for straightforward positioning and alignment during installation.
Q: What benefits does the transparent hinged door provide?
A: The transparent hinged door allows users to visually inspect breakers and wiring without opening the enclosure. This adds convenience and enhances safety by making it easier to check the status of components or detect any faults quickly.
Q: Where is the ACDC DB Box best used?
A: Ideal for residential, commercial, and light industrial environments, this DB box is designed for indoor power distribution. Its IP42 rating makes it suitable for areas where it is protected from direct moisture but may encounter dust or debris.
Q: When should I choose a copper busbar over an aluminum one?
A: Copper busbars, as included in this DB box, offer superior conductivity and durability compared to aluminum, reducing energy loss and improving reliability, especially in high-current applications up to 63A.
Q: What is the process for manually operating the DB Box control system?
A: The DB box features a manual on/off switch that allows for easy control of connected circuits. Simply access the control through the transparent hinged door and operate the switch as needed to isolate or restore power safely.
Q: How does the design ensure protection against fire and electric shocks?
A: With a fire-retardant polycarbonate casing rated UL94 V-0 and a Class II protection level, the DB box limits the risk of fire spread and accidental electric shock, even under challenging conditions.
Q: What makes the ACDC DB Box easy to maintain?
A: The matte surface finish minimizes dust accumulation, and the transparent door simplifies routine inspections. Internal copper busbars and screw terminals facilitate secure, maintenance-friendly connections.