Why Choose the MERSEN FUSE 12,5 URD 70 ESF 0200 C300819? MERSEN FUSE 12,5 URD 70 ESF 0200 C300819 delivers robust, standards-compliant performance for demanding electrical applications. This model provides reliable protection and ease of installation, with all key features engineered for maximum safety and efficiency. Key Takeaways – Product Name: MERSEN FUSE 12,5 URD 70 ESF 0200 C300819 – Key Specs: See description below Frequently Asked Questions – What is the primary application? – Is this product certified? – What are the installation options? – What are the key benefits? – Where can I find technical data? Speed & Safety Benefits – Reliable Performance: Engineered for consistent results – Safe Operation: Built to meet modern standards – Quick Installation: Designed for installer convenience Key Features of MERSEN FUSE 12,5 URD 70 ESF 0200 C300819 – See full description below – Engineered for reliability – Technical support available What is the primary application?+ See product description for detailed use cases. Is this product certified?+ Consult technical data or documentation for certifications. What are the installation options?+ Refer to the installation manual or contact our team for guidance. What are the key benefits?+ Engineered for performance, reliability, and ease of use. Where can I find technical data?+ Technical datasheets are available on request or on our website.
£126.67
The Mersen C300819 is a premium Protistor® high-speed semiconductor fuse engineered to provide exceptional protection for sensitive power electronic components in demanding industrial environments. Designed as part of the renowned Mersen Protistor® semiconductor protection range, it delivers ultra-fast fault interruption to safeguard IGBTs, thyristors, rectifier diodes and other semiconductor devices from damaging short-circuit currents.
Designed for modern power conversion systems, the C300819 combines low let-through energy with a high breaking capacity to minimise damage during fault conditions. Its robust square body construction and high-quality fuse elements ensure dependable long-term performance in industrial applications where equipment reliability is essential.
The Mersen C300819 is ideally suited for protecting industrial drives, UPS systems, renewable energy converters and power conversion equipment. Its fast operating characteristics help maximise equipment uptime while reducing maintenance costs and extending the service life of valuable semiconductor components.
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before they can damage expensive semiconductor devices. Their low I²t performance significantly reduces thermal stress, helping improve equipment reliability while reducing repair costs and production downtime.
Mersen Protistor® semiconductor fuses are widely specified by OEMs, panel builders and industrial engineers for protecting industrial drives, UPS systems, renewable energy equipment and power conversion systems requiring dependable semiconductor protection.
The Mersen C300819 is designed to provide high-speed short-circuit protection for sensitive semiconductor devices used in industrial power electronic equipment.
It is intended for protecting IGBTs, thyristors, SCRs, rectifier diodes and other semiconductor power devices.
Semiconductor fuses operate significantly faster than conventional industrial fuses, limiting fault energy before expensive electronic components can be damaged.
It is commonly installed within industrial drives, converters, UPS systems, renewable energy equipment and other power electronic installations.
Yes. Always ensure the replacement fuse matches the original current rating, voltage rating, operating characteristic and physical dimensions specified by the equipment manufacturer.
Mersen Protistor® semiconductor fuses are trusted worldwide by machine builders, panel manufacturers and industrial engineers for protecting critical semiconductor equipment in demanding industrial environments.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...