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MERSEN FUSE CC4,421 CP GLB 14.51 2 E075720
Mersen E075720 Protistor high-speed semiconductor fuse with 2 A current rating and 440 V DC rating for protecting power electronic equipment.
£15.09
Why Choose the Mersen E075720 Protistor® High-Speed Fuse?
The Mersen E075720 is a high-performance Protistor® cylindrical semiconductor protection fuse engineered to provide ultra-fast protection for sensitive power electronic devices operating on DC systems. With a 2 A current rating and a 440 V DC voltage rating, this fuse rapidly clears fault currents to minimise damage to semiconductors and improve overall system reliability.
Part of the trusted Mersen Protistor® 14 × 51 mm gLB series, the E075720 features a built-in striker indicator, high interrupting capacity and low let-through energy. It is specifically designed to protect IGBTs, diodes, thyristors and other semiconductor devices used within industrial power conversion equipment.
Designed to IEC standards and manufactured for demanding industrial environments, this fuse is ideal for renewable energy systems, battery storage equipment, DC drives, UPS systems and power electronic converters where dependable semiconductor protection is essential.
Key Advantages
- Ultra-fast gLB semiconductor protection fuse.
- 440 V DC rating for demanding DC power applications.
- 2 A current rating for sensitive electronic protection.
- Low I²t characteristics minimise damage during fault conditions.
- Integrated striker provides remote fuse indication capability.
- Designed specifically for protecting modern semiconductor devices.
Key Features
- Manufacturer: Mersen.
- Series: Protistor® Size 14 × 51 gLB.
- Part number: E075720.
- Catalogue number: FD14GB44V2T.
- Rated current: 2 A.
- Rated voltage: 440 V DC.
- Fuse characteristic: gLB high-speed semiconductor protection.
- 14 × 51 mm cylindrical body.
- Built-in striker indicator.
- RoHS compliant.
Fast Protection for Sensitive Power Electronics
Semiconductor fuses are designed to interrupt high fault currents before expensive electronic components suffer irreversible damage. Their ultra-fast operating characteristics significantly reduce thermal and electrical stress on IGBTs, diodes, SCRs and other semiconductor devices.
The Mersen Protistor® range is widely used by equipment manufacturers across renewable energy, industrial automation, UPS systems, battery energy storage and power conversion industries where dependable circuit protection is critical to equipment performance and reliability.
Typical Applications
- Industrial DC power converters.
- Battery energy storage systems.
- Solar photovoltaic equipment.
- UPS systems.
- DC motor drives.
- Protection of IGBT, SCR and diode modules.
- Industrial power electronic equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Size | 14x51 mm | |
| Voltage | 440 V | |
| Manufacturer | Mersen | |
| Series | Protistor® | |
| Model | E075720 | |
| Catalogue number | FD14GB44V2T | |
| Product type | High-speed semiconductor fuse | |
| Fuse size | 14 × 51 mm | |
| Current rating | 2 A | |
| Rated voltage | 440 V DC | |
| Fuse characteristic | gLB | |
| Breaking capacity | 100 kA at 10 ms DC, 40 kA at 30 ms DC | |
| Indicator | Striker | |
| Standards | IEC semiconductor fuse standard | |
| Compliance | RoHS | |
| Approximate weight | 19 g | |
| HS Code | 85361010 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen E075720 used for?
The E075720 is a high-speed semiconductor fuse designed to protect sensitive power electronic devices from short-circuit faults.
What voltage is this fuse rated for?
This fuse is rated for operation on systems up to 440 V DC.
What is the current rating?
The Mersen E075720 has a continuous current rating of 2 A.
What is the purpose of the striker?
The integrated striker provides mechanical indication and can be used to activate remote signalling or disconnect mechanisms after the fuse operates.
Where is this fuse typically installed?
It is commonly installed in power converters, battery systems, renewable energy equipment, UPS systems and other semiconductor-based industrial equipment.
Trusted by Industrial Power Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted globally for providing exceptionally fast fault protection, helping maximise equipment uptime while protecting valuable semiconductor devices in demanding industrial applications.
