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MERSEN FUSE A 070 URD 32 KI 0800 A070URD32KI0800
High-speed Protistor® fuse delivering reliable safeguarding of sensitive semiconductor devices up to 800A, with 690VAC (IEC) and 700VAC (UL) voltage ratings, featuring striker indication and slotted blade terminals.
£132.20
Why Choose the Mersen F300201 Protistor® High Speed Semiconductor Fuse?
The Mersen F300201 is a premium Protistor® Size 32 square body high-speed semiconductor fuse engineered to provide ultra-fast protection for sensitive power semiconductor devices used in industrial power conversion equipment. Designed to deliver exceptional current-limiting performance, it minimises damage caused by short-circuit faults while maximising equipment reliability and operational uptime.
Part of the Mersen Protistor® Size 32 aR series, the F300201 is specifically designed to protect IGBTs, SCRs, thyristors and diode modules. Manufactured using precision die-cut silver fuse elements embedded in solidified silica sand, it provides low I²t values, high interrupting capacity and dependable long-term performance for demanding industrial applications.
With a rated current of 800 A and a 690 V AC IEC / 700 V AC UL voltage rating, the F300201 features short slotted blade terminals and an integrated striker indicator, making it ideal for variable speed drives, UPS systems, converters, rectifiers and renewable energy power conversion equipment.
Key Advantages
- Ultra-fast semiconductor protection for critical power electronics.
- 800 A current rating.
- 690 V AC IEC / 700 V AC UL rated.
- aR utilisation category for semiconductor protection.
- Low I²t characteristics minimise fault energy.
- High interrupting capacity for demanding industrial applications.
- Silver-plated contacts provide excellent conductivity.
- Integrated striker indicator for remote fuse monitoring.
Key Features
- Manufacturer Part Number: F300201.
- Catalogue Number: A070UD32KI800.
- Protistor® Size 32 square body fuse.
- 800 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Short slotted blade terminals.
- Square body ceramic construction.
- Integrated low-voltage striker indicator.
- Silver-plated contact surfaces.
- RoHS compliant.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are designed to protect expensive power electronic devices requiring extremely rapid fault interruption. The Protistor® range delivers exceptional current limitation and low energy let-through, helping reduce damage to IGBTs, SCRs, thyristors and rectifier assemblies during short-circuit events.
The Mersen F300201 is widely specified by OEMs, panel builders and maintenance engineers for industrial automation, renewable energy systems, UPS installations and power conversion equipment where dependable semiconductor protection is essential.
Applications
- Variable speed drives.
- Industrial inverters.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy systems.
- Motor control equipment.
- Semiconductor protection circuits.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | F300201 | |
| Catalogue No | A070UD32KI800 | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340324808 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 800 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 660 kA²s | |
| Melting I2t | 115 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Slotted Blades | |
| Product Width | 59 mm | |
| Product Length | 134 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.6569 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 72 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5523 kg | |
| Power Dissipation at Rated Current Value | 120 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen F300201 used for?
It provides ultra-fast protection for semiconductor devices including IGBTs, SCRs, thyristors and diodes used in industrial power conversion equipment.
What is the current rating of the F300201?
The fuse has a rated current of 800 A.
What voltage is the fuse rated for?
It is rated for 690 V AC (IEC) and 700 V AC (UL).
Does this fuse include an indicator?
Yes. The F300201 incorporates an integrated striker indicator for fuse status indication and optional microswitch operation.
Which applications is this fuse suitable for?
Typical applications include industrial drives, converters, rectifiers, UPS systems, renewable energy equipment and other industrial power electronic systems.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for protecting high-value power electronic equipment across industrial automation, energy conversion, motor control and renewable energy applications.
