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MERSEN FUSE 6,9 URT 217/75 6,9URT217/75
Reliable Protistor® fuse-link for industrial semiconductor protection, rated 75A at 690V AC with fast-acting gR characteristic and ceramic body.
£54.43
Why Choose the Mersen F099572 Protistor® High-Speed Fuse?
The Mersen F099572, catalogue number BS217UT69V75, is a high-speed Protistor® semiconductor protection fuse designed to provide reliable protection for sensitive power semiconductor devices. Manufactured to IEC 60269-1, IEC 60269-4 and BS88-4 standards, this fuse delivers extremely fast fault interruption and high breaking capacity to protect valuable power electronic equipment from damaging short-circuit currents.
Featuring a 2 × 17 × 49 mm British Standard fuse-link construction, the F099572 has a 75 A current rating and is rated for 690 V AC (IEC) and 700 V AC/DC (UL). Its gR operating characteristic provides both overload and short-circuit protection for semiconductor devices, making it suitable for demanding industrial applications.
As part of the trusted Mersen Protistor® range, this fuse is widely used by OEMs, panel builders and industrial engineers to protect IGBTs, thyristors, diodes, rectifiers and other semiconductor devices in power conversion and automation systems.
Key Advantages
- High-speed semiconductor protection fuse.
- 75 A current rating for industrial power electronics.
- 690 V AC IEC and 700 V AC/DC UL ratings.
- gR characteristic providing overload and short-circuit protection.
- Extremely high breaking capacity for enhanced equipment protection.
- Suitable for industrial drives, UPS systems, converters and power supplies.
Key Features
- Mersen Protistor® series.
- Catalogue number: BS217UT69V75.
- Reference number: F099572.
- 75 A rated current.
- 690 V AC IEC operating voltage.
- 700 V AC/DC UL rating.
- gR semiconductor protection characteristic.
- 2 × 17 × 49 mm BS88-4 fuse-link format.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are designed to clear fault currents before excessive thermal energy can damage sensitive power semiconductor devices. Their low let-through energy helps maximise equipment reliability while reducing maintenance costs and unplanned production downtime.
The Mersen Protistor® range is engineered for demanding industrial environments and is trusted worldwide for protecting drives, converters, inverters, UPS systems and other power electronic equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS and backup power equipment.
- Industrial automation systems.
- Power electronic and renewable energy equipment.
Technical Specifications
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| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | F099572 | |
| Catalogue No | BS217UT69V75 | |
| Description | British Standard fuse-link Protistor® 2x17x49 gR 690V AC UL 75A | |
| EAN/UPC Code | 3605340162448 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 75 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 2x17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3280 A²s | |
| Melting I2t | 310 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Width | 36.7 mm | |
| Product Length | 90.2 mm | |
| Product Height | 18.5 mm | |
| Sell Pack Quantity | 5 EA | |
| Sell Pack Weight | 0.414 kg | |
| Sell Pack Width | 103 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 24 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.0828 kg | |
| Power Dissipation at Rated Current Value | 20 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen F099572 used for?
The F099572 is designed to protect semiconductor devices including IGBTs, thyristors, diodes and rectifiers from overloads and short-circuit faults.
What is the current rating of this fuse?
The Mersen F099572 has a rated current of 75 A.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC/DC (UL).
What does the gR characteristic mean?
The gR characteristic provides full-range semiconductor protection by protecting against both overload and short-circuit faults.
Which applications is this fuse suitable for?
It is suitable for variable speed drives, UPS systems, converters, rectifiers, inverters and other industrial power electronic equipment.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide for delivering dependable protection of valuable power electronic equipment in demanding industrial environments.
