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MERSEN FUSE SI 85-20.127 SI85-20.127
Mersen Z092942 SI85-20.127 fixed cylindrical fuse holder rated at 85 A and designed for 20 x 127 mm ferrule-type fuse-links.
£123.07
Why Choose the Mersen Z092942 SI85-20.127 Fuse Holder?
The Mersen Z092942, also identified as SI85-20.127, is a robust ferrule fuse holder designed for mounting cylindrical fuse-links with a 20 × 127 mm format. It provides a secure mechanical and electrical connection for compatible fuse-links used in industrial power distribution, traction equipment and other demanding electrical installations.
Engineered as part of Mersen's specialist fusegear range, the Z092942 offers strong thermal and mechanical performance for circuits where dependable fuse retention is essential. Its fixed fuse-base construction allows the fuse-link to be installed securely while remaining accessible for inspection and replacement during maintenance.
The SI85-20.127 designation indicates compatibility with 20 × 127 mm ferrule-type fuse-links and an 85 A rated current. Its durable insulated body and bolted electrical terminals make it suitable for installation within switchgear, control panels and specialist power conversion equipment.
Key Advantages
- Designed for 20 × 127 mm ferrule fuse-links.
- 85 A rated current for compatible electrical circuits.
- Secure fixed mounting for reliable fuse retention.
- Strong thermal and mechanical withstand performance.
- Bolted terminals provide dependable conductor connections.
- Suitable for demanding industrial and traction applications.
- Allows straightforward fuse inspection and replacement.
Key Features
- Mersen SI series fuse holder.
- Manufacturer reference: Z092942.
- Product designation: SI85-20.127.
- Rated current: 85 A.
- Compatible fuse size: 20 × 127 mm.
- Designed for cylindrical ferrule-type fuse-links.
- Fixed fuse-base configuration.
- Durable insulated support body.
- Screw and bolted electrical connections.
- Suitable for panel and switchgear installation.
Secure Fuse Mounting for Industrial Power Systems
The Mersen Z092942 provides the mechanical support and electrical contact required to connect a compatible cylindrical fuse-link into an electrical circuit. Its contact arrangement holds the fuse securely and helps maintain a low-resistance connection during normal operation.
When the installed fuse operates following an overcurrent or short circuit, the fixed holder allows the fuse-link to be removed and replaced. The replacement fuse must match the required 20 × 127 mm dimensions, voltage rating, current rating and fuse operating class specified for the protected equipment.
Typical Applications
- Industrial electrical switchgear.
- Power conversion and rectifier equipment.
- Railway and traction power systems.
- Control panels and distribution assemblies.
- Industrial machinery power circuits.
- Specialist DC electrical installations.
- Equipment using 20 × 127 mm cylindrical fuse-links.
Technical Specifications
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| Device Type | Fuse base / holder | |
|---|---|---|
| Fuse Type | Cylindrical | |
| Fuse Size | 20x127 mm | |
| Current | 85 A | |
| Manufacturer | Mersen | |
| Manufacturer reference | Z092942 | |
| Product designation | SI85-20.127 | |
| Product type | Cylindrical fuse holder / fuse base | |
| Series | SI | |
| Rated current | 85 A | |
| Compatible fuse-link size | 20 × 127 mm | |
| Fuse-link connection type | Ferrule | |
| Mounting arrangement | Fixed panel mounting | |
| Electrical connection | Bolted terminals | |
| Installation environment | Indoor electrical equipment | |
| Typical system frequency | 50 / 60 Hz | |
| EAN | 3605340114515 | |
| Sales quantity | 1 |
Frequently Asked Questions
What is the Mersen Z092942 used for?
The Z092942 is used to mount and connect a compatible cylindrical fuse-link within industrial power distribution, traction and specialist electrical equipment.
What fuse size is compatible with the Z092942?
The holder is designed for cylindrical ferrule fuse-links measuring 20 × 127 mm.
What is the rated current of the SI85-20.127?
The Mersen SI85-20.127 fuse holder has a rated current of 85 A.
Does the Mersen Z092942 include a fuse-link?
The Z092942 is a fuse holder. A compatible fuse-link is normally selected separately according to the required voltage, current and protection characteristics.
Where is this fuse holder normally installed?
It is typically installed inside electrical switchgear, industrial control panels, traction equipment or specialist power distribution assemblies.
Can any 20 × 127 mm fuse be used with this holder?
The fuse must have the correct physical size, but its electrical ratings and operating class must also be suitable for the circuit and the holder's specified operating limits.
Trusted Fusegear from Mersen
Mersen fuse holders and fusegear are used by electrical engineers, panel builders and equipment manufacturers to provide secure fuse mounting and dependable electrical connections in demanding industrial power systems.
