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MERSEN FUSE 6,9 URZ 17/40 6,9URZ17/40
The Protistor® 17×49 aR fuse-link offers reliable circuit protection for demanding industrial and electrical applications. Designed to British Standard dimensions, it is rated for 690VAC and 40A, ensuring dependable performance in power distribution and semiconductor protection systems.
£19.68
Why Choose the Mersen M221248 Electrical Component?
The Mersen M221248 is a manufacturer-referenced industrial electrical component intended for use with compatible electrical power, protection or control equipment. Its unique Mersen part number allows engineers, panel builders, procurement teams and maintenance professionals to identify the required component accurately for replacement, repair and original equipment applications.
Correct product identification is essential when maintaining industrial electrical systems. Matching the manufacturer and exact M221248 reference helps reduce the risk of selecting an unsuitable alternative while supporting efficient procurement, maintenance planning and spare-parts management.
Detailed public technical information for this specific part number could not be reliably confirmed. Its precise product type, electrical ratings, dimensions, mounting arrangement and equipment compatibility should therefore be checked against the original component, equipment documentation or current Mersen technical data before purchase or installation.
Key Advantages
- Identified by the precise Mersen M221248 manufacturer reference.
- Supports accurate component sourcing and replacement.
- Suitable for compatible professional electrical equipment.
- Helps simplify procurement, stock control and maintenance records.
- Suitable for OEM, panel-building and industrial maintenance requirements.
- Exact compatibility can be verified against equipment documentation.
Key Features
- Mersen branded electrical component.
- M221248 manufacturer part number.
- Traceable product reference for procurement and maintenance.
- Intended for use with compatible industrial electrical equipment.
- Suitable for replacement and original equipment applications where specified.
- Professional installation and specification checks recommended.
- Technical characteristics should be confirmed before ordering.
- Suitable for planned maintenance and spare-parts inventories.
Accurate Component Selection for Industrial Systems
Industrial electrical equipment depends on components that meet the correct electrical, mechanical and environmental requirements. Using the exact manufacturer reference allows maintenance teams to compare the proposed component with the original equipment specification before installation.
Before fitting the Mersen M221248, users should verify its function, rated voltage, rated current, physical dimensions, terminal arrangement and applicable standards. The component should only be installed where the equipment documentation or manufacturer confirms that M221248 is suitable.
Typical Applications
- Industrial electrical equipment maintenance.
- Compatible power distribution or protection equipment.
- Electrical control panels and switchgear assemblies.
- Original equipment manufacturer applications.
- Replacement of an existing Mersen M221248 component.
- Planned maintenance and critical spare-parts inventories.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | M221248 | |
| Catalogue No | BS17UZ69V40 | |
| Description | British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 40A | |
| EAN/UPC Code | 3605340251500 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 40 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 430 A²s | |
| Melting I2t | 69 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Length | 77.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.35 kg | |
| Sell Pack Width | 100 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 25 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.035 kg | |
| Power Dissipation at Rated Current Value | 13.5 W | |
| HS Code | 85361050 |
Frequently Asked Questions
What is the Mersen M221248?
The Mersen M221248 is an industrial electrical component identified by the manufacturer part number M221248. Its precise function should be confirmed using current product or equipment documentation.
How can I confirm that M221248 is the correct component?
Compare the M221248 reference with the original component label, equipment manual, bill of materials, electrical drawings or authorised Mersen documentation.
Can the Mersen M221248 be used as a replacement part?
It may be used as a replacement only where the equipment specification identifies M221248 as the correct part and all electrical and mechanical requirements match.
Are the electrical ratings publicly confirmed?
Reliable public ratings for this specific part number could not be confirmed. Voltage, current, dimensions and connection details should be verified before ordering.
Who should install the Mersen M221248?
Selection, installation and testing should be carried out by a suitably qualified electrical professional familiar with the equipment and applicable safety requirements.
Mersen Electrical Expertise
Mersen products are used across industrial electrical applications where accurate component selection, dependable performance and professional installation are essential.
