Why Choose the MERSEN FUSE 12,5 URD 73 D13A 0500 PC73UD13C500D3A? MERSEN FUSE 12,5 URD 73 D13A 0500 PC73UD13C500D3A 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 73 D13A 0500 PC73UD13C500D3A – 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 73 D13A 0500 PC73UD13C500D3A – 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.
£264.54
The Mersen K301838 is an industrial high-speed semiconductor protection fuse designed to protect sensitive power electronic components against damaging short-circuit currents. Its rapid operating response helps limit the thermal and electrical energy transferred to semiconductor devices during a fault.
The K301838 is intended for use in professionally engineered electrical systems containing components such as IGBTs, thyristors, diodes, rectifiers, inverters and power converter modules. It is suitable for OEM production, industrial maintenance and replacement applications where dependable high-speed circuit protection is required.
The precise current rating, voltage rating, utilisation category, breaking capacity, I²t values, terminal arrangement and physical dimensions of the K301838 could not be independently verified. These specifications should be confirmed from the product label or official Mersen technical documentation before purchase, substitution or installation.
High-speed semiconductor fuses operate more rapidly than conventional general-purpose fuses. By interrupting excessive current before damaging thermal energy reaches sensitive components, they help protect semiconductor modules and reduce the risk of extensive equipment failure.
Correct fuse selection must consider the system voltage, continuous operating current, prospective short-circuit current, duty cycle and the protection requirements specified by the semiconductor manufacturer. The Mersen K301838 should only replace another fuse when all relevant electrical characteristics, terminals and dimensions have been confirmed as compatible.
| Current | 13 A |
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The K301838 is intended to provide high-speed short-circuit protection for sensitive semiconductor devices used in compatible industrial power electronic equipment.
When correctly selected and coordinated, it may protect components such as IGBTs, thyristors, diodes, rectifiers and power converter modules.
The rated current, voltage, utilisation category, breaking capacity and I²t values should be checked against the product label and official Mersen technical documentation.
It should only be used as a replacement when its ratings, operating characteristics, terminals, mounting arrangement and dimensions are fully compatible with the original fuse.
Subject to verification of its specifications, it may be used in compatible industrial drives, converters, UPS equipment, renewable energy systems and semiconductor protection assemblies.
Mersen high-speed fuses are engineered for use in professionally designed electrical systems where rapid interruption of semiconductor fault currents is required.
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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...