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MERSEN FUSE SI 175-20.254 SI175-20-254
Mersen A092943 SI 175-20.254 high-voltage cylindrical fuse base designed for secure mounting of compatible 20 x 254 mm fuse links in switchgear, transformer protection and industrial power distribution systems.
£373.09
Why Choose the Mersen A092943 SI 175-20.254 Fuse Base?
The Mersen A092943, also identified as SI 175-20.254, is a robust high-voltage cylindrical fuse base designed to provide secure mounting and dependable electrical contact for compatible Mersen fuse links. It is engineered for use in industrial power distribution, transformer protection and medium-voltage switchgear applications where mechanical strength and reliable circuit protection are essential.
Designed to accommodate compatible 20 × 254 mm cylindrical fuse links, the A092943 provides a stable mounting platform that helps maintain consistent contact pressure and reliable current transfer. Its substantial construction makes it suitable for fixed installations exposed to the electrical, thermal and mechanical demands commonly found in industrial power systems.
As part of Mersen's specialist electrical protection range, the SI 175-20.254 fuse base can be integrated into switchgear, control panels and OEM equipment alongside a correctly selected high-voltage fuse link. This allows engineers and panel builders to create an effective protection arrangement for transformers, cables and other valuable electrical assets.
Key Advantages
- Robust high-voltage cylindrical fuse base for industrial installations.
- Designed for compatible 20 × 254 mm fuse links.
- Provides secure mechanical retention and dependable electrical contact.
- Suitable for transformer, switchgear and power distribution protection.
- Substantial construction for demanding electrical environments.
- Supports straightforward integration into fixed electrical assemblies.
- Manufactured by Mersen, a global specialist in electrical protection.
Key Features
- Mersen SI series fuse base.
- Manufacturer part number: A092943.
- Product reference: SI 175-20.254.
- Compatible with appropriately rated cylindrical high-voltage fuse links.
- Designed around a 20 × 254 mm fuse format.
- Secure fixed mounting for switchgear and protection assemblies.
- Durable insulating and conductive components.
- Suitable for panel builders, OEMs and electrical maintenance teams.
Secure Fuse Mounting for Power Distribution Systems
A correctly matched fuse base is an important part of a reliable circuit protection system. The Mersen A092943 securely supports the fuse link and helps maintain the electrical connection required to carry normal operating current and safely transfer fault current to the fuse element.
When used with a compatible Mersen fuse link selected for the installation's voltage, current and interrupting requirements, the SI 175-20.254 supports effective fault isolation. This helps protect transformers, cables, switchgear and connected equipment while reducing the potential for extended downtime following an electrical fault.
Typical Applications
- Medium and high-voltage switchgear.
- Transformer protection assemblies.
- Industrial power distribution systems.
- Electrical substations.
- Power generation and utility equipment.
- OEM electrical protection assemblies.
- Industrial control panels and switchboards.
- Replacement and maintenance of existing Mersen fuse systems.
Technical Specifications
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| Device Type | Fuse base / holder | |
|---|---|---|
| Fuse Type | Cylindrical, High voltage | |
| Manufacturer | Mersen | |
| Manufacturer part number | A092943 | |
| Alternative reference | SI 175-20.254 | |
| Product type | High-voltage cylindrical fuse base | |
| Compatible fuse format | Cylindrical ferrule fuse link | |
| Compatible fuse dimensions | 20 × 254 mm | |
| Installation type | Fixed electrical assembly | |
| Application | Medium and high-voltage circuit protection | |
| Typical equipment | Switchgear, transformers and power distribution assemblies | |
| Approximate weight | 3.605 kg | |
| Fuse link supplied | No, normally selected separately |
Frequently Asked Questions
What is the Mersen A092943 used for?
The A092943 is a high-voltage fuse base used to securely mount a compatible cylindrical fuse link within switchgear, transformer protection and industrial power distribution systems.
What is the alternative reference for the Mersen A092943?
The Mersen A092943 is also identified by the product reference SI 175-20.254.
Which fuse size is compatible with this fuse base?
The A092943 is designed around a compatible 20 × 254 mm cylindrical ferrule fuse link. The complete fuse specifications should be checked before installation.
Is a fuse link included with the A092943?
The A092943 is supplied as a fuse base. A compatible fuse link is normally ordered separately according to the voltage, current and protection requirements of the circuit.
Where is the A092943 typically installed?
It is commonly installed in fixed switchgear, transformer protection assemblies, industrial distribution equipment and other high-voltage electrical systems.
Why must the fuse link and fuse base be correctly matched?
Correct matching helps ensure secure mechanical fitting, dependable electrical contact and appropriate performance under normal operating and fault conditions.
Trusted by Electrical Professionals Worldwide
Mersen fuse bases and circuit protection products are widely specified by electrical engineers, switchgear manufacturers and industrial maintenance teams for reliable performance in demanding power distribution applications.
