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MERSEN FUSE A050 URD 004 T13 I A050URD004T13I
High-speed 10x38mm cylindrical fuse engineered for optimal semiconductor protection with aR-class performance up to 500VAC and integrated striker for remote indication.
£17.47
Why Choose the Mersen S076928 Protistor® High-Speed Fuse?
The Mersen S076928 is a high-performance Protistor® high-speed cylindrical semiconductor fuse designed to protect sensitive power electronic devices against short circuits and fault currents. As part of the Protistor® 10 × 38 mm aR series, it delivers extremely fast fault interruption for semiconductors used in industrial automation, motor drives and power conversion equipment.
Specifically engineered for semiconductor protection, the S076928 provides exceptional current limiting performance and a high breaking capacity, helping minimise damage to expensive components such as IGBTs, SCRs, diodes and rectifiers. Its integrated striker indicator also provides clear visual indication following fuse operation, simplifying maintenance and fault diagnosis.
With a 4 A current rating, 500 V AC rating and 10 × 38 mm cylindrical format, the Mersen S076928 is ideal for industrial power electronics, variable speed drives, UPS systems and semiconductor protection applications.
Key Advantages
- High-speed aR semiconductor fuse for sensitive electronic equipment.
- 4 A current rating for semiconductor circuit protection.
- 500 V AC rated voltage.
- Designed for 10 × 38 mm cylindrical fuse holders.
- Integrated striker indicator for rapid fuse status identification.
- Excellent current limiting performance with high breaking capacity.
Key Features
- Mersen Protistor® series.
- Model: S076928.
- Catalogue number: A050URD4T13I.
- 4 A rated current.
- 500 V AC IEC rating.
- aR ultra-fast characteristic for semiconductor protection.
- 10 × 38 mm cylindrical format.
- Integrated striker indicator.
- Compliant with IEC 60269-1 and IEC 60269-4.
Reliable Protection for Power Electronics
Semiconductor fuses are specifically engineered to protect power electronic components from destructive short circuits by interrupting fault currents before damage can occur. Their extremely fast operating characteristics help maximise equipment reliability while reducing costly downtime.
The Mersen Protistor® range is trusted worldwide by machine builders, panel manufacturers and industrial engineers for protecting inverters, motor drives, UPS systems and other semiconductor-based equipment requiring rapid fault clearance.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- UPS systems.
- Semiconductor power supplies.
- Industrial automation equipment.
- Power conversion systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 10x38 mm | |
| Fuse Class | aR | |
| Voltage | 500 V | |
| Item number | S076928 | |
| Catalogue No | A050URD4T13I | |
| Description | High-Speed Cylindrical Fuse Protistor® Size 10x38 aR 500VAC IEC 4A With Striker | |
| EAN/UPC Code | 3605340020595 | |
| Rated voltage AC IEC | 500 V | |
| Ampere Rating | 4 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 10x38 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 16 A²s | |
| Melting I2t | 5.3 A²s | |
| AC Max I.R./Breaking Capacity | I1: 50 kA | |
| Design Details | URD | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 10.3 mm | |
| Product Length | 39.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.092 kg | |
| Sell Pack Width | 54 mm | |
| Sell Pack Length | 80 mm | |
| Sell Pack Height | 12 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0092 kg | |
| Power Dissipation at Rated Current Value | 1.8 W | |
| HS Code | 85361010 |
Frequently Asked Questions
What is the Mersen S076928 used for?
The S076928 is a high-speed semiconductor fuse designed to protect power electronic devices such as IGBTs, SCRs and rectifiers against short circuits.
What is the current rating of the S076928?
The fuse has a 4 A rated current.
What voltage is this fuse rated for?
The Mersen S076928 is rated for 500 V AC operation.
Does this fuse include an indicator?
Yes. It incorporates an integrated striker indicator that provides clear indication after the fuse has operated.
What applications is this fuse suitable for?
It is commonly used to protect semiconductor devices in variable speed drives, inverters, UPS systems and industrial power electronics.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted by electrical engineers and OEM manufacturers for delivering exceptionally fast fault protection, high reliability and dependable performance in demanding industrial power electronic applications.
