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MERSEN FUSE A 070 URD 30 TTI 0450 A070URD30TTI0450
High-speed semiconductor protection fuse with integrated striker, flush ends, UNC threaded terminals, rated for 450A at 690VAC IEC and 700VAC UL.
£84.35
Why Choose the Mersen V300582 High-Speed Semiconductor Fuse?
The Mersen V300582 is a high-performance Protistor® square body semiconductor fuse engineered to provide exceptional protection for sensitive power electronic devices. Designed for demanding industrial environments, this ultra-fast acting fuse helps safeguard semiconductors such as IGBTs, thyristors, diodes and MOSFETs against damaging short circuits.
As part of the trusted Mersen Protistor® Size 30 aR series, the V300582 delivers rapid fault interruption while maintaining low let-through energy (I²t). This helps maximise equipment uptime, minimise costly component damage and improve the overall reliability of power conversion systems.
Rated at 450 A with a 690 V AC (IEC) / 700 V AC (UL) voltage rating, the V300582 is ideally suited for industrial drives, UPS systems, inverters, motor drives and renewable energy equipment. Its square body construction with striker indicator allows easy integration into modern protection systems.
Key Advantages
- Ultra-fast aR semiconductor fuse designed for sensitive electronic equipment.
- 450 A current rating for high-power industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Provides excellent protection for IGBTs, thyristors, diodes and MOSFET devices.
- Low I²t performance reduces stress on semiconductor components.
- Integrated striker indicator supports fuse status monitoring.
Key Features
- Mersen Protistor® Size 30 semiconductor fuse.
- 450 A rated current.
- 690 V AC (IEC) / 700 V AC (UL) voltage rating.
- aR ultra-fast operating characteristic.
- Square body construction with flush ends.
- UNC threaded connections.
- Integrated striker indicator.
- Silver-plated contact surfaces for reliable conductivity.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to protect expensive power electronic components from destructive fault currents. Unlike conventional fuses, aR semiconductor fuses interrupt faults extremely quickly, limiting energy transfer and helping extend the service life of converters, drives and industrial control equipment.
The Mersen Protistor® range is widely specified by equipment manufacturers due to its dependable performance, high breaking capacity and compliance with international standards for semiconductor protection.
Typical Applications
- Variable frequency drives (VFDs).
- Servo drive systems.
- Industrial inverters.
- UPS and power conversion equipment.
- Renewable energy converters.
- Motor control centres.
- Industrial automation systems.
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 | V300582 | |
| Catalogue No | A070UD30TTI450 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 450A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340330625 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 165 kA²s | |
| Melting I2t | 26 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 V300582 used for?
The V300582 is designed to protect semiconductor devices such as IGBTs, thyristors, diodes and MOSFETs from high fault currents in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen V300582 has a 450 A current rating.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR fuse characteristic mean?
The aR characteristic provides ultra-fast protection for semiconductor devices against short circuits while allowing normal operating conditions.
Where is the V300582 commonly installed?
This fuse is commonly installed in industrial drives, power converters, UPS systems, renewable energy equipment and other semiconductor-based power electronics.
Trusted for Industrial Power Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers for delivering fast, reliable protection of critical power electronic equipment.
