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MERSEN FUSE CC4,421 CP GLB 14.51 10 FD14GB44V10T
Mersen G075722 Protistor high-speed cylindrical semiconductor fuse rated at 10 A and 440 V DC, featuring a gLB characteristic and striker indication system.
£15.09
Why Choose the Mersen G075722 Protistor® High-Speed Fuse?
The Mersen G075722 is a high-speed Protistor® cylindrical semiconductor fuse designed to protect sensitive power semiconductor devices in demanding DC power applications. Rated at 10 A and 440 V DC, it provides rapid fault interruption to help limit damaging thermal and electrical energy reaching valuable electronic components.
Part of the Mersen Protistor® 14 × 51 mm gLB series, the G075722 is specifically developed for semiconductor protection. Its gLB operating characteristic enables the fuse to clear overloads and short-circuit currents while supporting selective coordination with other protective devices within the electrical distribution system.
The fuse incorporates a striker indication system that provides a clear mechanical indication when the fuse has operated. Its compact cylindrical ceramic body, silver-plated copper contacts and clip-mounted design make it suitable for integration into compatible fuse holders within rectifiers, inverters, uninterruptible power supplies and industrial control equipment.
Key Advantages
- High-speed gLB semiconductor protection characteristic.
- 10 A rated current for power electronic circuits.
- 440 V DC voltage rating for industrial DC systems.
- Designed to clear both overload and short-circuit currents.
- Integrated striker provides visible or remote fuse-operation indication.
- Compact cylindrical format supports straightforward installation.
Key Features
- Mersen Protistor® semiconductor fuse series.
- 10 A rated current.
- 440 V DC rated operating voltage.
- gLB high-speed operating characteristic.
- 14 × 51 mm cylindrical fuse size.
- Built-in striker indication system.
- Silver-plated copper contacts.
- Durable ceramic fuse body.
- Clip mounting for compatible cylindrical fuse holders.
- RoHS compliant.
High-Speed Protection for Power Semiconductor Equipment
Power semiconductor devices can be damaged by excessive fault energy before conventional circuit protection has time to operate. The Mersen G075722 is engineered to respond rapidly, helping reduce the electrical and thermal stress imposed on sensitive components such as diodes, thyristors, rectifiers and transistor-based power modules.
Its full-range gLB characteristic also enables the fuse to provide protection against overloads as well as short circuits. This makes it a dependable protective component for industrial power conversion equipment where operational continuity, selective coordination and semiconductor safety are important.
Typical Applications
- Industrial rectifiers.
- Power inverters and converters.
- Uninterruptible power supply systems.
- Railway traction auxiliary circuits.
- Reduced-voltage motor starters.
- Industrial automation power supplies.
- Protection of diodes, thyristors and semiconductor modules.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | Cylindrical, Semiconductor | |
| Fuse Size | 14x51 mm | |
| Current | 10 A | |
| Voltage | 440 V | |
| Manufacturer | Mersen | |
| Series | Protistor® 14 × 51 gLB 440 V DC | |
| Model | G075722 | |
| Catalogue number | FD14GB44V10T | |
| EAN / UPC | 3605340011135 | |
| Product type | High-speed cylindrical semiconductor fuse | |
| Rated current | 10 A | |
| Rated voltage | 440 V DC | |
| Current type | DC | |
| Operating class | gLB | |
| Fuse size | 14 × 51 mm | |
| Mounting type | Clip mounted | |
| Indication system | Yes | |
| Indicator type | Striker | |
| Contact material | Silver-plated copper | |
| Body material | Ceramic | |
| Product diameter | 14.3 mm | |
| Product length | 51 mm | |
| Power dissipation at rated current | 1.9 W | |
| Product weight | Approx. 0.019 kg | |
| Compliance | RoHS | |
| HS Code | 85361010 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen G075722 used for?
The G075722 is a high-speed cylindrical fuse designed to protect power semiconductors and associated electronic equipment against overload and short-circuit currents.
What is the current rating of the G075722?
The Mersen G075722 has a rated current of 10 A.
What voltage is this fuse rated for?
The fuse is rated for operation in DC circuits at up to 440 V DC.
What does the striker indicator do?
The integrated striker provides mechanical indication when the fuse has operated and may be used with compatible signalling or switching accessories.
Which equipment commonly uses this fuse?
The G075722 is commonly used in rectifiers, inverters, UPS systems, railway auxiliary circuits, reduced-voltage motor starters and other semiconductor-based power equipment.
Trusted by Power Electronics Engineers Worldwide
Mersen Protistor® fuses are widely selected for semiconductor protection applications, providing rapid fault clearing, dependable indication and reliable performance within demanding industrial power systems.
