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MERSEN FUSE 250V SU 8 A 5.20 MI5SU25V8
Mersen Q087506 MI5SU25V8 medium time-lag high-breaking-capacity ceramic cartridge fuse rated at 8 A and 250 V AC in a compact 5 x 20 mm format.
£4.55
Why Choose the Mersen Q087506 5SU Miniature Fuse?
The Mersen Q087506, also identified by the catalogue reference MI5SU25V8, is a compact 5 x 20 mm medium time-lag ceramic cartridge fuse designed to protect industrial controls, electronic equipment and electrical circuits against overloads and short circuits. As part of the established Mersen 5SU miniature fuse series, it combines dependable high-breaking-capacity protection with the ability to withstand temporary inrush currents.
The Q087506 uses a durable ceramic body suited to circuits where higher fault-current interruption capability is required than can typically be provided by a standard glass fuse. Its medium time-lag operating characteristic helps prevent nuisance fuse operation when transformers, motors, power supplies and capacitive loads draw brief start-up currents.
With a rated current of 8 A and a rated voltage of 250 V AC, this fuse is suitable for installation in compatible 5 x 20 mm fuse holders and clips within control panels, machinery, electronic assemblies and industrial electrical equipment.
Key Advantages
- Dependable high-breaking-capacity miniature fuse for industrial equipment.
- 8 A current rating suitable for a wide range of protected circuits.
- 250 V AC voltage rating for low-voltage electrical applications.
- Medium time-lag characteristic tolerates brief start-up and inrush currents.
- Compact 5 x 20 mm cartridge format for space-efficient installation.
- Ceramic construction supports reliable interruption of high fault currents.
Key Features
- Mersen 5SU miniature fuse series.
- Catalogue reference: MI5SU25V8.
- 8 A rated current.
- 250 V AC rated voltage.
- Medium time-lag operating characteristic.
- High-breaking-capacity fuse construction.
- Standard 5 x 20 mm cylindrical cartridge size.
- Ceramic body for robust electrical protection.
Reliable Protection for Circuits with Inrush Current
Medium time-lag fuses such as the Mersen Q087506 are designed to withstand brief current surges caused by transformers, motors, power supplies and other inductive or capacitive loads. This helps reduce unnecessary fuse replacement while maintaining dependable protection against sustained overloads and short circuits.
The ceramic cartridge construction provides enhanced fault-current interruption capability, making the Q087506 suitable for industrial and electronic equipment where robust circuit protection is essential. Its standard dimensions also simplify replacement within compatible fuse holders.
Typical Applications
- Industrial control panels.
- Electronic power supplies.
- Transformers and inductive loads.
- Motor control circuits.
- Automation and instrumentation equipment.
- OEM machinery and electrical assemblies.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | 5SU Miniature Fuses | |
| Model | Q087506 | |
| Catalogue reference | MI5SU25V8 | |
| Product type | High-breaking-capacity miniature cartridge fuse | |
| Rated current | 8 A | |
| Rated voltage | 250 V AC | |
| Operating characteristic | Medium time lag | |
| Fuse size | 5 x 20 mm | |
| Overall length | 20 mm | |
| Diameter | 5 mm | |
| Body material | Ceramic | |
| Mounting type | Fuse holder or clip mounting | |
| Approvals | UL Listed and CSA certified | |
| Applicable standards | UL 198-G and CSA C22.2 | |
| Maximum weight | Approx. 1.5 g |
Frequently Asked Questions
What is the Mersen Q087506 used for?
The Mersen Q087506 provides overcurrent and short-circuit protection for industrial controls, electronic equipment, power supplies, transformers and motor-related circuits.
What is the current rating of the Q087506?
The fuse has a rated current of 8 A.
What voltage is this fuse rated for?
The Mersen Q087506 is rated for operation at up to 250 V AC.
Is the Q087506 a fast-acting fuse?
No. It has a medium time-lag characteristic, allowing it to tolerate temporary inrush currents before operating during a sustained overload or fault.
What size is the Mersen Q087506?
The fuse has a standard cylindrical cartridge size of 5 x 20 mm for use with a compatible fuse holder or mounting clip.
Trusted by Electrical Professionals Worldwide
Mersen miniature fuses are trusted by electrical engineers, panel builders and equipment manufacturers for dependable overcurrent protection, robust fault interruption and consistent performance in industrial electrical systems.
