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MERSEN FUSE A 070 URD 32 TTI 0500 A070URD32TTI0500
High-speed fuse designed for semiconductor protection with a rated voltage of 690VAC IEC and 700VAC UL, supporting 500A currents. Features a ceramic body, striker indication system, and bolted mounting with flush end silver-plated brass terminals.
£97.43
Why Choose the Mersen P300462 Protistor® High-Speed Fuse?
The Mersen P300462 is a genuine Protistor® Size 32 high-speed semiconductor fuse developed to provide ultra-fast protection for sensitive power electronic equipment. Designed for demanding industrial applications, it protects diodes, thyristors, IGBTs and other semiconductor devices from damaging short-circuit and overcurrent conditions while helping maximise equipment reliability and minimise costly downtime.
As part of the proven Mersen Protistor® Size 32 range, the P300462 combines a high interrupting capacity with exceptionally low let-through energy. Its robust square body construction, silver-plated contacts and integrated striker indicator make it an ideal solution for variable speed drives, UPS systems, power converters, inverters and other industrial automation equipment.
Rated at 500 A with a 690 V AC IEC / 700 V AC UL voltage rating, the P300462 features flush ends with UNC threaded terminals and an integrated striker for reliable installation and simplified maintenance within industrial power distribution and semiconductor protection systems.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 500 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects IGBTs, thyristors, diodes and other semiconductor devices.
- High 200 kA breaking capacity for enhanced electrical safety.
- Integrated striker indicator simplifies maintenance and fault detection.
Key Features
- Mersen Protistor® Size 32 series.
- Catalogue number: A070UD32TTI500.
- 500 A rated current.
- 690 V AC IEC / 700 V AC UL operating voltage.
- aR ultra-fast semiconductor protection characteristic.
- Flush ends with UNC threaded terminals.
- Integrated striker indicator.
- Silver-plated contacts with ceramic square body construction.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are engineered to interrupt fault currents before expensive power electronic components can be damaged. The Mersen Protistor® range delivers exceptionally low I²t values and rapid fault clearance, helping extend equipment life while reducing maintenance costs and unplanned downtime.
The P300462 is widely specified by OEMs and industrial engineers for protecting variable speed drives, rectifiers, inverters, UPS systems and power conversion equipment operating in demanding industrial environments.
Typical Applications
- Variable speed drives (VSDs).
- Industrial power converters.
- Uninterruptible power supplies (UPS).
- Motor drives and soft starters.
- Rectifiers and inverters.
- Industrial automation and power distribution systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | P300462 | |
| Catalogue No | A070UD32TTI500 | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340328837 | |
| 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 | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 160 kA²s | |
| Melting I2t | 28 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Standard Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 59 mm | |
| Product Length | 50.6 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.8099 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.6033 kg | |
| Power Dissipation at Rated Current Value | 85 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen P300462 used for?
The P300462 is an ultra-fast semiconductor fuse designed to protect IGBTs, thyristors, diodes and other power semiconductor devices from overcurrent and short-circuit faults.
What is the current rating of the P300462?
The fuse has a 500 A continuous current rating.
What voltage is the fuse rated for?
The P300462 is rated for 690 V AC (IEC) and 700 V AC (UL) operation.
Does the fuse include a status indicator?
Yes. The fuse incorporates an integrated striker indicator that can operate a compatible microswitch for simplified maintenance and fault indication.
Which applications commonly use this fuse?
It is commonly installed in variable speed drives, UPS systems, industrial converters, rectifiers, inverters and other semiconductor-based power equipment.
Trusted by Power Electronics Professionals Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs, machine builders and industrial engineers to provide dependable protection for high-value power electronic equipment operating in demanding industrial environments.
