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High-speed aR characteristic fuse with ceramic square body and integrated striker for rapid fault indication. Rated 900A, 690VAC IEC, 700VAC UL with DIN 110 blade terminals for bolted mounting.
£133.70
The Mersen X300193 is a high-performance square body semiconductor protection fuse designed to provide ultra-fast protection for sensitive power semiconductor devices including IGBTs, thyristors and diodes. Manufactured as part of the renowned Mersen Protistor® size 32 aR series, this fuse delivers exceptional fault protection for demanding industrial power conversion applications.
Engineered for high breaking capacity and rapid fault interruption, the X300193 helps minimise damage to costly semiconductor equipment while improving the reliability of drives, UPS systems, inverters and industrial power electronics. Its robust square body construction, silver-plated contacts and integrated striker indicator simplify installation and maintenance in critical electrical systems.
With a 900 A current rating and 690 V AC IEC / 700 V AC UL voltage rating, the Mersen X300193 is ideally suited for protecting industrial converters, motor drives, DC drives and renewable energy equipment where fast semiconductor protection is essential.
High-speed semiconductor fuses are specifically designed to interrupt fault currents before damage can occur to expensive power electronic components. Their ultra-fast operating characteristics help minimise thermal stress while maintaining maximum system reliability.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, power conversion and transportation systems where dependable semiconductor protection is critical to maintaining equipment uptime.
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | X300193 | |
| Catalogue No | PC32UD69V900D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 900A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340324648 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 900 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 990 kA²s | |
| Melting I2t | 170 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 | DIN 110 Blades | |
| Product Width | 59 mm | |
| Product Length | 134.6 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.6899 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 78 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5633 kg | |
| Power Dissipation at Rated Current Value | 125 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
The X300193 is designed to provide ultra-fast protection for semiconductor devices including IGBTs, thyristors and diodes in industrial power conversion equipment.
This fuse has a 900 A rated current.
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
Yes. The X300193 incorporates an integrated striker indication system for convenient status indication and maintenance.
It is commonly installed in variable speed drives, UPS systems, inverters, converters and other industrial power electronic equipment requiring semiconductor protection.
Mersen Protistor® semiconductor protection fuses are trusted worldwide for protecting critical power electronic equipment, delivering high breaking capacity, rapid fault clearance and dependable long-term performance.
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