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Photovoltaic connection systems

Photovoltaic connection systems
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Photovoltaic connection systems

Product catalog summary
Company Overview
Cabur, founded in 1952, specializes in manufacturing terminal boards for electric panels, focusing on installers' needs and innovative solutions. The company is known for high-quality products, environmental respect, and certifications like ISO 9001, ISO 14001, and ATEX Directive compliance. Their product range includes terminal blocks, power supplies, electronic products, and solutions for photovoltaic systems and industrial marking.
Cabur Solar Solutions
Cabur Solar provides comprehensive solutions for photovoltaic system connection and protection. Key products include:
  • Cabur Solar Fix: Support brackets for photovoltaic panels, offering versatility and cost savings.
  • Connectors: Options for common inverters and junction boxes, including Cabur Solar and Solarlok® connectors.
  • StringBox and SPDBox: Connection panels for protection and control, with surge protection devices for PV systems.
  • Components: Includes terminal blocks, disconnectors, fuse holders, and diodes for system safety and efficiency.
Cabur Solar Fix Brackets
The Cabur Solar Fix system is designed for positioning and fixing photovoltaic panels with metallic frames on various surfaces. It includes:
  • Material: Made from Duretan BKV 30H, with a minimum estimated duration of 20 years.
  • Profiles: Available in two profiles (A and B) with options for stainless steel or plastic plates.
  • Installation: Requires intermediate and end brackets, with specific calculations for the number of brackets needed based on panel configuration.
  • Advantages: Offers efficient surface use, maximum yield, universal application, simple installation, and cost savings of about 30% compared to traditional systems.
Technical Features and Accessories
The brackets are protected by an international patent and have been tested for mechanical resistance and durability. Accessories include anti-theft nuts and self-threading screws, with packages containing necessary components for installation.
Conclusion
Cabur Solar provides innovative and reliable solutions for photovoltaic systems, ensuring safety, efficiency, and cost-effectiveness. Their products are designed to meet the highest market standards, offering installers a wide range of options for various installation needs.
Specifications and Procedures
The document provides detailed specifications and procedures for Cabur Solar Fix brackets and connectors, emphasizing their durability, environmental sustainability, and ease of installation. It outlines installation procedures for various roof types and highlights cost efficiency, with a 30% reduction in installation costs compared to traditional systems.
Connector System
Cabur Solar connectors are designed for easy and effective connections with common inverters and junction boxes. They are available in two lines, Line 3 and Line 4, with different contact sizes and are certified for high voltage and environmental protection standards.
Recommendations
The document provides recommendations for the correct use of the Cabur Solar Fix system, including the use of specific tools for installation and ensuring compliance with standards to maintain warranty effectiveness.
Technical Specifications and Test Results
The document includes specifications for connectors, highlighting their efficiency and performance under various conditions. It provides test results demonstrating excellent thermal management and low contact resistance, with warnings about maximum usable current limits.
Packaging and Availability
Connectors are available in various configurations, including pre-wired options. Packaging typically includes plastic shells and metallic contacts, with specific codes for different connector types and applications.
Applications
The connectors are suitable for use with photovoltaic panels and inverters, with specific models designed for short and long-type MC3 connectors. They are used in mobile and panel applications, with options for creating parallels between panel strings.
Tool Recommendations and Usage
The document provides detailed instructions on using wire strippers and crimpers for photovoltaic wires, with specific models and kits available for different wire sizes.
Photovoltaic Wires
Cabur offers pre-wired cables for connecting panels, designed for a lifetime of 25 years and resistant to environmental factors. They comply with specific voltage requirements and are available in standard colors black and red.
Electrical Tests and Standards
The document outlines various electrical tests and standards for photovoltaic wires, including resistance, voltage tests, and mechanical properties.
StringBox Connection Panels
The StringBox series is designed for connecting photovoltaic panel strings, available in multiple versions for different string numbers. They include components for protection and parallel connection, with options for customization.
Standard StringBox
These panels are suitable for systems with earthed poles, available with or without diodes, and require customer-selected fuses.
Surge Protection Devices (SPDs)
The document describes the construction and functionality of SPDs, highlighting their role in protecting PV systems from electrical surges. It details the use of Metal Oxide Varistors (MOVs) and the importance of proper installation to prevent equipment damage.
Installation and Usage Guidelines
SPDs should be installed on all conductors entering and exiting the inverter to ensure equal voltage levels and prevent destructive surges.
Product Features
The ISPD1455x series SPDs are designed to handle multiple surges and include features like internal auto-disconnection thermal fuses and remote failure signals.
Conclusion
The document serves as a comprehensive guide for selecting and installing string boxes and SPDs in PV systems, emphasizing the importance of adhering to standards and ensuring proper protection against electrical surges.
Technical Standards and Certifications
All components conform to relevant IEC and CEI standards, ensuring safety and reliability in photovoltaic applications. Certifications include IMQ and compliance with EN and UL standards.
Recommendations
Ensure wires are correctly crimped and electricity flow is unobstructed. Test mechanical resistance by pulling wire ends. Secure bands around the main wire on the wire gland to prevent rotation and stress on the electrical joint.
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Catalog excerpts

Photovoltaic connection systems-1

Cabur Solar Page 1 The Company Cabur, connected and safe... in all circumstances Cabur Solar. A range of solutions for system connection and protection Cabur Solar Fix Support brackets for anchoring photovoltaic panels Multiplies the possibilities for application Accessories Many advantages and 30% savings Recommendations for proper use Cabur Solar connectors For connection with the most common inverters and junction boxes Composition and materials Electrothermal tests Line 3 Cabur Solar Y connectors Line 4 Accessories Joint with MC connectors Solarlok® connectors Connection to connectors Tools For perfect photovoltaic connections Matrices for UMCT3149 crimpers Recommendations for proper use First installation kit Wires Technical characteristics of FG21M21 IMQ certified wires Technical characteristics of PV1-F wires StringBox. Connection panels for photovoltaic panel strings Standard StringBox with fuses on both poles for earth insulated panels Standard StringBox with fuse on the positive pole with earthed negative SPDBox. Connection panels downstream of the inverter Surge Protection Devices For PV systems and DC voltage DC AC Modular AC surge protection devices Components for String Boxes Accessories and spare parts Boxes for distribution panels Screw clamp terminal blocks 1kV DC insulation Nominal voltage 1000 DC Disconnectors QBLOK terminal boards with 2 poles Distribution terminal board Accessories Fuse holders and fuses to protect the strings Diodes for photovoltaic panel strings Control terminal board UTF for measurement through manoeuvres on TA and TV MCM Series MCT/SA Series Cast resin joints CGG junction boxes Code index 02 03 04 05 05 06 07 08 10 13 13 14 16 17 22 23 24 25 26 30 31 31 32 33 35 36 37 38 39 40 41 42 43 43 45 46 48 49 49 51 51 52 55 56 56 57 58 59 60 60 61 64 66 67 68 Contents

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Photovoltaic connection systems-2

Page 2 solar The Company Founded in 1952, Cabur quickly gained the lead position among national constructors of terminal boards for electric panels, pursuing a strategy that placed special focus on installers' needs, as well as proposing cutting edge technological solutions, which in time became generalised applications. Above all, it was ahead of its time in the qualitative choices for its products, especially regarding raw materials, as well as guaranteed functioning, reliability over time and respect for the environment. All of this allowed Cabur to obtain Class 1E Qualification (Equipment...

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Photovoltaic connection systems-3

Cabur Solar Page 3 The choice of connection systems is one of the critical factors on which the effective performance of the plant, its efficiency over time and its useful lifetime depend. To maximise and guarantee efficiency over time, Cabur offers a range of solutions that guarantee connections that conform to the highest standards on the market. From Cabur's offerings, installers can choose the right connectors for the technical features of the system and the specifications of the modules and inverters available on the market or already installed. It is very simple to choose the best solution:...

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Photovoltaic connection systems-4

Page 4 solar - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + String Box String Box Wh meter Singledirectional Wh meter Bi-directional LOADS PI/DI DG MTC String Box DC- ~AC Support bracket to fix panels for totally integrated systems (see pages 5 - 12) Mobile Cabur Line 3, 4 and Tyco photovoltaic connectors for complex electrical line joints from photovoltaic wires (see pages 13-30) Wires for photovoltaic systems for system wiring (see pages 36,37,38) String Boxes for protection and...

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Photovoltaic connection systems-5

Cabur Solar Page 5 29.5 60 29.5 25 47 34 Innovative patented system for positioning and fixing photovoltaic panels equipped with metallic frames on any surface and at any angle. The system is based on the use of brackets, complete with relative accessories (screws, washers and plates). To satisfy various installation needs, models with two different profiles are available (see figure), each of which is available with stainless steel or plastic plates. Panel anchorage requires a certain number of intermediate brackets (to be inserted between adjacent panels) and end brackets (to be inserted at...

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Photovoltaic connection systems-6

Page 6 solar To choose bracket model PROFILE TYPE A PROFILE TYPE B The Cabur Solar Fix brackets must always be bought in pairs, end and intermediate; the ratio is generally 1/2. The choice of the best pair depends on: ¡¡ the corrugation type (A or B) ¡¡ the choice of the plate material (stainless steel or plastic material); ¡¡ the thickness of the panel. 27.7 57.1 41.11° 39.2 39.2 55 M 6 27.83 44 23.31° 29.5 60 29.5 25 9 47 47 30 40 30 21 34 34 Cabur Solar Fix To multiply application possibilities Brackets with type B profile, with stainless steel or plastic plates Type Intermediate End Intermediate...

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Photovoltaic connection systems-7

Cabur Solar Page 7 Code ISFIX00 ISFIX00B ISFIXG Description Bracket profile A and 110x130 mm rubber sheet (the package does not contain any other accessories) Bracket profile B and 110x130 mm rubber sheet (the package does not contain any other accessories) Insulating rubber sheets, 110x130 mm Quantity per package 5 pieces per package 5 pieces per package 20 pieces per package Code ISFIXDAF ISFIXVLO Description Stainless steel anti-theft tear-off nut Stainless steel self-piercing and self-threading screw for attachment to all Cabur Solar Fix brackets for corrugated sheet metal roofs Quantity...

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Photovoltaic connection systems-8

Page 8 solar The Great Innovation in anchorage systems 1. With maximum exploitation of the surface, positioning the panels at different slopes, following the shape of the surface on which they rest. 2. Obtain the maximum output from the system, reducing heating of the panels to the minimum. 3. Universal and versatile, suitable for almost all sandwich panels on the market, on corrugated metal roofs, tiled, or wooden or cement roofs. 4. Allows simple and fast installation, with lightweight, easy to handle components. 5. For aesthetically and architecturally elegant and modern solutions. 6. Perfect...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.