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MERSEN FUSE 250V 5HT 10A 5.20 MI5HT25V10
Mersen B208358 10 A time-delay miniature cartridge fuse rated at 250 V AC, with a 5 x 20 mm format and 1,500 A breaking capacity for industrial equipment and motor circuits.
Why Choose the Mersen B208358 10 A Time-Delay Ceramic Cartridge Fuse?
The Mersen B208358 is a dependable 5 × 20 mm time-delay miniature cartridge fuse designed to protect electrical equipment, motors and industrial circuits against sustained overloads and short circuits. Part of the established Mersen 5HT IEC miniature fuse series, it combines reliable fault protection with the ability to withstand temporary start-up currents.
Its time-lag operating characteristic allows brief, high-current surges to pass without unnecessary fuse operation. This makes the B208358 particularly suitable for motors, transformers, power supplies and other equipment that can draw a higher current when first energised.
Rated at 10 A and 250 V AC, the B208358 provides a breaking capacity of 1,500 A. Its compact 5 × 20 mm construction enables straightforward installation in compatible miniature fuse holders used throughout industrial control, machinery and electrical distribution systems.
Key Advantages
- Reliable time-delay protection for circuits with temporary inrush currents.
- 10 A current rating for industrial and electrical equipment.
- 250 V AC rated voltage.
- High 1,500 A breaking capacity.
- Compact 5 × 20 mm format for compatible miniature fuse holders.
- Suitable for motors and equipment with elevated start-up currents.
Key Features
- Mersen 5HT IEC miniature fuse series.
- 10 A rated current.
- 250 V AC rated voltage.
- Time-delay or time-lag operating characteristic.
- Standard 5 × 20 mm cartridge size.
- 1,500 A AC breaking capacity.
- Pre-arcing I²t value of 610.1 A²s.
- Nickel-plated brass contact caps.
Reliable Protection for High Start-Up Currents
Motors, transformers and power supplies can draw a temporary current significantly above their normal operating level when energised. A time-delay fuse withstands this brief surge while remaining capable of disconnecting the circuit if an overload continues or a short circuit occurs.
The Mersen B208358 provides reliable protection for equipment requiring a 10 A fuse with a time-lag response. Its high breaking capacity and compact cartridge construction make it suitable for industrial machinery, control panels and OEM electrical assemblies.
Typical Applications
- Electric motor protection circuits.
- Industrial control panels.
- Transformers and power supplies.
- Electrical distribution equipment.
- Automation and manufacturing machinery.
- OEM electrical and electronic assemblies.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | 5HT IEC Miniature Fuses | |
| Model | B208358 | |
| Manufacturer reference | MI5HT25V10 | |
| Product type | Time-delay miniature cartridge fuse | |
| Rated current | 10 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 5 × 20 mm | |
| Operating characteristic | Time-lag / time-delay | |
| Breaking capacity | 1,500 A AC | |
| Pre-arcing I²t | 610.1 A²s | |
| Power loss at rated current | 1.31 W | |
| Maximum voltage drop | 0.05 V | |
| Contact caps | Nickel-plated brass | |
| Extinguishing agent | Included | |
| Standard | IEC 60127-2 Sheet 5 |
Frequently Asked Questions
What is the Mersen B208358 used for?
It is used to protect motors, electrical equipment and industrial circuits against sustained overloads and short circuits while tolerating temporary start-up currents.
What is the current rating of the B208358?
The Mersen B208358 has a rated current of 10 A.
Is the B208358 a fast acting fuse?
No. It is a time-delay or time-lag fuse designed to withstand short-duration inrush currents before operating.
What is the breaking capacity of this fuse?
The B208358 has an AC breaking capacity of 1,500 A.
What size is the Mersen B208358?
It uses the standard 5 × 20 mm miniature cartridge fuse format.
Trusted for Industrial Circuit Protection
Mersen miniature fuses are used by panel builders, machinery manufacturers and electrical engineers to provide dependable overcurrent protection in industrial equipment and electrical distribution systems.
