Why Choose the MERSEN FUSE 1021 CP URB 27.60 160 FR27UB10C160T? MERSEN FUSE 1021 CP URB 27.60 160 FR27UB10C160T 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 1021 CP URB 27.60 160 FR27UB10C160T – 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 1021 CP URB 27.60 160 FR27UB10C160T – 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.
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Why Choose the Mersen K081291 High-Speed Semiconductor Fuse?
The Mersen K081291 is a genuine 1021 CP URB high-speed semiconductor fuse engineered to provide exceptional short-circuit protection for sensitive power electronic equipment. Designed with a 27 × 60 mm round body, this fuse offers rapid fault interruption for industrial applications where semiconductor devices require maximum protection against damaging fault currents.
With a 160 A current rating, 1000 V AC voltage rating and an exceptionally high 100 kA breaking capacity, the K081291 is suitable for protecting IGBTs, thyristors, diodes, rectifiers, inverters and other power semiconductor devices used in demanding industrial environments.
This version incorporates an integrated blown-fuse indicator, enabling maintenance personnel to quickly identify an operated fuse and minimise equipment downtime. The quick-connect terminals allow straightforward installation into compatible fuse holders.
Key Advantages
Genuine Mersen high-speed semiconductor fuse.
160 A rated current for high-power applications.
1000 V AC voltage rating.
100 kA interrupting capacity.
Integrated blown-fuse indicator for faster maintenance.
Designed for critical semiconductor protection.
Key Features
Manufacturer: Mersen
Model: K081291
Description: 1021 CP URB 27×60/160
Round body high-speed fuse.
27 × 60 mm body size.
Quick-connect terminals.
Built-in visual indicator.
Suitable for holder mounting.
Industrial semiconductor protection.
Technical Specifications
Manufacturer: Mersen
Model: K081291
Product type: High-speed semiconductor fuse
Series: 1021 CP URB
Rated current: 160 A
Rated voltage: 1000 V AC
Breaking capacity: 100 kA
Fuse size: 27 × 60 mm
Body style: Round body
Mounting: Holder mounted
Terminal type: Quick connect
Indicator: Integrated blown-fuse indicator
Reference standards: IEC, UL and VDE
Reliable Protection for Critical Power Electronics
The Mersen K081291 is specifically developed to limit the energy delivered during short-circuit conditions, helping protect expensive semiconductor devices from catastrophic failure. Its high interrupting capacity and fast operating characteristics make it suitable for industrial drives, power converters and renewable energy systems where reliable circuit protection is essential.
Typical Applications
Variable frequency drives.
Power converters.
Industrial rectifiers.
UPS systems.
Motor control equipment.
Renewable energy inverters.
Industrial automation systems.
Frequently Asked Questions
What is the Mersen K081291 used for?
The K081291 is a high-speed semiconductor fuse designed to protect power electronic devices against damaging short-circuit currents.
What is the current rating of the K081291?
The Mersen K081291 has a rated current of 160 A.
What voltage is this fuse rated for?
The fuse is rated for 1000 V AC.
Does the K081291 include a blown-fuse indicator?
Yes. This model incorporates an integrated indicator to provide clear visual identification after the fuse operates.
What types of equipment is this fuse designed to protect?
It is commonly used to protect inverters, rectifiers, motor drives, UPS systems and other industrial power electronic equipment.
Trusted Semiconductor Protection from Mersen
Mersen high-speed semiconductor fuses are trusted worldwide by OEM manufacturers, panel builders and electrical engineers for reliable protection of critical industrial power electronic systems.
No specifications available for this product.
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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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...