DC FIELD PANEL - 1 STRING 1000 V

1-string 1000 Vdc enclosure for 1 MPPT with miniature circuit breaker and surge arrester

The 1-string 1000 Vdc enclosure for 1 MPPT with miniature circuit breaker and surge arrester is a DC electrical enclosure designed for the protection and management of a single photovoltaic string connected to an MPPT input. It is designed for applications in photovoltaic systems where the DC line needs to be protected using a miniature circuit breaker and overvoltage protection device.

The electrical enclosure is configured for the management of 1 DC photovoltaic string with a nominal voltage of up to 1000 Vdc on 1 MPPT. It includes protection devices, connection terminals, internal wiring, and installation accessories designed to ensure electrical safety, operational reliability, and an orderly distribution of connections on the DC side of the system.

This DC enclosure for photovoltaic systems allows the safe connection of the photovoltaic string to the conversion system, ensuring the protection of the line against overloads and overvoltages caused by atmospheric or switching events.

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Function of the DC enclosure in photovoltaic systems

The DC photovoltaic electrical enclosure represents the collection and protection point of the photovoltaic string before the input to the inverter or the dedicated MPPT channel. Its main function is to manage the DC side of the system, ensuring electrical protection, continuity of operation, and greater safety for the connected components.

The protection system installed in the enclosure acts on the DC electrical line through:

• 2-pole miniature circuit breaker for line protection
• Type 2 DC surge arrester for overvoltage protection
• input and output terminals for proper string connection
• neatly arranged and identified internal wiring

In the presence of electrical anomalies or transient overvoltages, the enclosure helps protect the components of the photovoltaic system by reducing the risk of damage to the DC line and connected equipment.

In photovoltaic systems, the 1-string 1000 Vdc enclosure also allows for orderly wiring management and easier maintenance of the DC section, improving the reliability and safety of the installation.

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Main features of the 1-string 1000 Vdc enclosure

• Management of 1 DC photovoltaic string
• Configuration for 1 MPPT
• DC side nominal voltage up to 1000 Vdc
• 2-pole 16A 1000Vdc miniature circuit breaker
• Type 2 surge arrester for DC line
• Wall-mounted ABS enclosure
• IP65 protection rating
• 12-module capacity
• Input and output terminals included
• Internal wiring, cable glands, and labeling included

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Applications of the 1-string DC enclosure

• Photovoltaic systems with a single string
• Photovoltaic systems with 1 dedicated MPPT input
• Residential and commercial photovoltaic installations
• DC side protection of photovoltaic strings up to 1000 Vdc
• Photovoltaic systems requiring DC overvoltage protection
• Systems with wall-mounted installation in technical environments or protected outdoor areas
• Applications requiring orderly distribution of DC-side connections

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Components included in the DC electrical enclosure

• 1 wall-mounted ABS enclosure, IP65, 12 modules
• 1 2P 16A 1000Vdc miniature circuit breaker
• 1 Type 2 1000 Vdc surge arrester
• Input and output terminals
• Internal wiring
• Cable glands
• Labeling

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Technical specifications of the photovoltaic DC enclosure

Enclosure type	DC photovoltaic electrical enclosure for 1 string
MPPT configuration	1 MPPT
Number of strings	1 string
Nominal voltage	1000 Vdc
Line protection	2P 16A 1000Vdc miniature circuit breaker
Overvoltage protection	Type 2 1000 Vdc surge arrester
Enclosure material	Wall-mounted ABS enclosure
Protection rating	IP65
Enclosure capacity	12 modules
Included accessories	Input / output terminals, internal wiring, cable glands, and labeling

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Installation of the DC electrical enclosure for photovoltaic systems

The DC electrical enclosure is designed for wall-mounted installation in technical environments, plant rooms, and photovoltaic applications where a compact, protected enclosure is required for managing the DC-side string.

The ABS enclosure with an IP65 protection rating ensures good protection of the electrical components against dust and moisture, making the enclosure suitable for installation in technical environments that require reliability and enclosure durability.

The sizing and configuration of the enclosure must be verified by the photovoltaic system designer or a qualified installer based on the electrical characteristics of the string, the inverter, and the planned installation conditions.

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Frequently asked questions about the photovoltaic DC enclosure

What is a 1-string 1000 Vdc enclosure for 1 MPPT used for?

It is used to protect and manage a single photovoltaic string on the DC side before connecting it to the inverter's MPPT input, incorporating electrical protections and orderly connections.

What protections are included in this DC enclosure?

The enclosure includes a 16A 1000Vdc 2-pole miniature circuit breaker for line protection and a Type 2 1000 Vdc surge arrester for protection against transient overvoltages.

What systems is this photovoltaic enclosure suitable for?

It is suitable for photovoltaic systems with 1 string and 1 MPPT, in applications requiring compact, orderly, and reliable DC-side protection up to 1000 Vdc.

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