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MERSEN FUSE 6,9 URY 17 P 100 BS17UY69V100P
British Standard fuse-link Protistor® 17×49 aR 690VAC IEC 100A With Striker, providing rapid semiconductor protection with integrated striker indication.
£53.10
Why Choose the Mersen E221264 Protistor® BS88-4 Semiconductor Fuse?
The Mersen E221264 (catalogue number BS17UY69V100P) is a high-speed Protistor® BS88-4 semiconductor fuse-link designed to provide exceptional protection for power semiconductors including diodes, thyristors, GTOs and IGBT devices. Manufactured to IEC 60269-1, IEC 60269-4 and BS88-4 standards, it delivers reliable current-limiting protection for demanding industrial power electronics applications.
Featuring a 690VAC rating, 100A current rating and an integrated striker indicator, the E221264 is ideal for protecting variable speed drives, UPS systems, inverters and other semiconductor-based equipment. Its pure silver fuse elements and high breaking capacity provide rapid fault clearance while minimising energy let-through to sensitive electronic components.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 690VAC IEC rated with 100A current rating.
- High-speed aR operating characteristic for semiconductor protection.
- Integrated striker provides remote fuse operation indication.
- Very high breaking capacity for demanding industrial applications.
- Low I²t limits damage to expensive power semiconductors.
- Manufactured to IEC 60269-1, IEC 60269-4 and BS88-4 standards.
Key Features
- Manufacturer: Mersen
- Series: Protistor® BS88-4
- Catalogue number: BS17UY69V100P
- Manufacturer part number: E221264
- Fuse size: 17 × 49 mm
- Rated voltage: 690VAC
- Rated current: 100A
- Operating class: aR semiconductor protection
- Integrated striker indication.
- Current limiting, ultra-fast operation.
Typical Applications
- Variable speed drives (VSDs).
- Industrial inverter systems.
- UPS equipment.
- Semiconductor converters.
- Motor drive systems.
- Power electronics.
- Industrial automation equipment.
- Protection of diodes, thyristors, GTOs and IGBTs.
Designed for Semiconductor Protection
Unlike conventional circuit protection devices, the Mersen Protistor® range is specifically engineered for semiconductor applications where extremely fast fault clearance is essential. The low let-through energy and current-limiting design help protect costly power electronic devices from catastrophic short-circuit faults whilst maintaining maximum equipment reliability.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | E221264 | |
| Catalogue No | BS17UY69V100P | |
| Description | British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 100A With Striker | |
| EAN/UPC Code | 3605340251661 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 100 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3900 A²s | |
| Melting I2t | 625 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Width | 27 mm | |
| Product Length | 77.2 mm | |
| Product Height | 24 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.5 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 250 mm | |
| Sell Pack Height | 30 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.05 kg | |
| Power Dissipation at Rated Current Value | 33 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen E221264?
The E221264 is a Protistor® BS88-4 high-speed semiconductor fuse-link rated at 690VAC and 100A with an integrated striker indicator for protecting power semiconductor devices.
What does the aR fuse classification mean?
aR fuses provide partial-range, ultra-fast protection specifically for semiconductor devices against short-circuit faults and are intended for use alongside suitable overload protection.
Which equipment is this fuse suitable for?
It is commonly used in variable speed drives, UPS systems, industrial inverters, power converters and other semiconductor-based industrial equipment.
What is the purpose of the striker?
The integrated striker provides mechanical indication of fuse operation and can be used to actuate compatible microswitches for remote monitoring.
What semiconductor devices does it protect?
The fuse is designed to protect diodes, thyristors, GTOs, IGBTs and other sensitive power semiconductor components.
Trusted Semiconductor Protection from Mersen
Mersen Protistor® high-speed fuses are trusted worldwide to protect critical power electronic equipment by delivering ultra-fast fault interruption, high breaking capacity and reliable semiconductor protection.
