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MERSEN FUSE A 070 URD 30 TTI 0500 A070URD30TTI0500
High-speed fuse designed for semiconductor protection with a 500A rating, striker indication system, and flush ends with UNC threads for secure mounting.
£89.48
Why Choose the Mersen W300583 Protistor® High-Speed Fuse?
The Mersen W300583 (A070UD30TTI500) is a Protistor® Size 30 high-speed square body semiconductor fuse engineered to protect modern power electronic equipment from damaging short-circuit currents. Designed for demanding industrial applications, it provides ultra-fast fault interruption and excellent current limitation to safeguard costly semiconductor devices.
Designed specifically for the protection of diodes, thyristors, IGBTs and MOSFET devices, the W300583 uses precision fuse elements embedded in solidified sand to achieve low let-through energy (I²t) and high interrupting performance. Silver-plated contact surfaces and non-magnetic hardware ensure dependable long-term operation in demanding industrial environments.
The W300583 is ideal for OEM equipment, maintenance and replacement applications where identical electrical ratings and mounting arrangements are required. Always verify the complete part number and electrical characteristics before installation.
Key Advantages
- Ultra-fast aR semiconductor protection.
- Protects IGBTs, MOSFETs, thyristors and diode assemblies.
- Current-limiting design minimises damaging fault energy.
- High interrupting capacity for demanding industrial applications.
- Integrated striker indicator for fuse status indication.
- Manufactured by Mersen for critical power electronic systems.
Key Features
- Mersen Protistor® Size 30 square body fuse.
- Manufacturer reference W300583.
- Catalogue number A070UD30TTI500.
- aR ultra-fast semiconductor protection characteristic.
- Flush-end UNC threaded terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces.
- Low I²t design for improved semiconductor protection.
Designed for Critical Semiconductor Protection
The Mersen W300583 has been specifically developed for protecting modern power conversion equipment requiring rapid fault clearance. Its ultra-fast operating characteristic limits thermal and electrical stress before semiconductor devices reach damaging temperatures, helping maximise equipment reliability and reduce expensive downtime.
Its compact ceramic square body construction, silver-plated terminals, non-magnetic hardware and high interrupting capability make it suitable for demanding industrial installations where dependable protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- Rectifier equipment.
- Inverter systems.
- UPS installations.
- Renewable energy converters.
- Industrial power electronic equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | W300583 | |
| Catalogue No | A070UD30TTI500 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340330632 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 500 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 264 kA²s | |
| Melting I2t | 41 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 40 mm | |
| Product Length | 50.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.765 kg | |
| Sell Pack Width | 80 mm | |
| Sell Pack Length | 135 mm | |
| Sell Pack Height | 55 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.255 kg | |
| Power Dissipation at Rated Current Value | 80 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen W300583 used for?
The W300583 is a Protistor® high-speed semiconductor fuse designed to protect IGBTs, MOSFETs, thyristors and diodes against high-energy short-circuit faults.
What are the electrical ratings of the W300583?
The fuse is rated at 500 A with a rated voltage of 690 VAC (IEC) and 700 VAC (UL), featuring an ultra-fast aR operating characteristic and a 200 kA AC breaking capacity.
What terminal arrangement does the W300583 use?
The W300583 features flush-end UNC threaded terminals together with an integrated striker indicator for local indication or optional microswitch operation.
Which equipment commonly uses the W300583?
Typical applications include industrial drives, converters, rectifiers, inverters, UPS systems and other high-power semiconductor equipment.
Can the W300583 be replaced with another fuse?
Only a fuse with identical electrical ratings, body size, mounting arrangement and semiconductor protection characteristics should be used as a replacement.
Trusted Protection from Mersen Protistor®
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide for protecting critical power electronic equipment with rapid fault interruption, low let-through energy and high interrupting capacity.
