Photonic Universe ● Circuit Protection Inline MC4 Fuse Holder 1000V DC | 20A Over-Current Protection | MC4 Compatible The Photonic Universe Inline MC4 Fuse Holder with a 20A built-in fuse provides essential over-current protection for your solar panel circuits. Designed for seamless integration, this accessory helps safeguard solar panels, wiring, and other critical system components from potential damage caused by excessive current. This MC4-compatible fuse holder is suitable for a wide array of DC solar applications, ensuring enhanced circuit safety between solar panels and components like charge controllers. Its robust, waterproof design makes it ideal for reliable outdoor use, offering peace of mind for both residential and commercial solar installations. ESSENTIAL PROTECTION: Safeguards solar circuits against over-current damage with a 20A fuse. Key Features ▶ In-line MC4 Compatibility — Enables simple and direct integration with existing solar panel cables. ▶ 1000V DC Rating — Designed for use in high-voltage solar photovoltaic (PV) systems. ▶ 20A Over-Current Protection — Provides reliable safeguarding against excessive current flow. ▶ Replaceable Fuse Design — Allows for quick and easy maintenance without replacing the entire unit. ▶ Waterproof Construction — Ensures durability and reliable performance in outdoor environments. ▶ Simple Plug-and-Play Installation — Features male and female MC4-compatible connectors for easy setup. Technical Specifications Parameter Value Product Type Inline MC4 Fuse Holder Voltage Rating 1000V DC Current Rating 20A (with included fuse) Connector Type MC4 Compatible (Male & Female) Fuse Type Standard Cylindrical (Replaceable) Protection Over-current Environmental Rating Waterproof System Integration & Protection Aspect Description Functionality Interrupts the circuit if current exceeds 20A, preventing damage to connected solar components. Integration Designed to be installed directly in-line with solar panel cables using MC4 connectors. Maintenance The holder can be easily opened for quick replacement of a blown fuse. Durability Fully waterproof construction ensures reliable operation in various outdoor conditions. Typical Applications Application Description Residential Solar PV Systems Adding an extra layer of protection between solar panels and charge controllers or inverters. Off-Grid Solar Setups Protecting sensitive components in standalone solar power systems, including battery banks. Caravan & Motorhome Solar Safeguarding mobile solar power systems from current surges and faults. Small Commercial Installations Enhancing circuit safety and reliability in various commercial solar applications. Built-In Protection Functions The Photonic Universe Inline MC4 Fuse Holder is engineered with essential protection features to ensure the safety and longevity of your solar power system. It provides reliable over-current protection through its integrated 20A fuse, which automatically interrupts the circuit if current levels become unsafe. • The robust, waterproof design also protects internal components from environmental ingress, making it suitable for exposed outdoor installations. Common Questions What is an MC4 fuse holder used for? An MC4 fuse holder is used to provide over-current protection within a solar PV circuit. It helps to prevent damage to solar panels, wiring, and other components by interrupting the circuit if the current exceeds a safe level. Can I replace the fuse in this holder? Yes, this MC4 fuse holder is designed for easy fuse replacement. If the fuse blows, the holder can be opened to insert a new standard cylindrical fuse of the correct rating. Is this fuse holder suitable for outdoor use? Absolutely. The Photonic Universe Inline MC4 Fuse Holder features a fully waterproof design, making it highly suitable for outdoor solar installations where exposure to elements is common. What are the voltage and current ratings? This fuse holder is rated for a maximum voltage of 1000V DC and comes with a 20A fuse for over-current protection. Installation Notes Ensure all power to the solar array and connected components is safely disconnected before beginning installation. Connect the fuse holder in-line with the positive DC cable of your solar panel circuit, typically between the panels and the charge controller. Verify that all MC4 connections are secure, fully seated, and watertight to prevent moisture ingress and ensure optimal performance. Always double-check polarity before finalising connections to avoid damage to your system. For complex solar installations or if unsure, it is recommended to consult a qualified electrician or solar professional. Before You Buy Confirm that the 20A fuse rating is appropriate for the specific current protection requirements of your solar PV system. Verify compatibility with your existing MC4 connectors and the gauge of your solar cables to ensure a proper fit. Ensure that the maximum voltage (1000V DC) and current (20A) ratings of this fuse holder are not exceeded by your solar array. Consider the overall design of your solar system and consult relevant electrical standards for comprehensive circuit protection. Product specifications are based on verified manufacturer data and are subject to change. Always confirm compatibility and requirements before purchase.
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