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MERSEN FUSE 6,9 URS 17 P 55 6,9URS17P55
Reliable British Standard fuse-link for industrial applications with integrated striker indication and UL certification, rated at 55A and 690V AC.
£36.70
Why Choose the Mersen C075902 Protistor® Semiconductor Fuse?
The Mersen C075902 is a high performance Protistor® BS88-4 semiconductor fuse-link engineered to provide exceptionally fast protection for sensitive power electronic equipment. Designed specifically for semiconductor applications, this fuse safeguards devices such as thyristors, diodes, IGBTs and rectifiers against damaging short circuits and fault currents.
Part of the renowned Mersen Protistor® BS88-4 series, the C075902 delivers outstanding current limiting performance, high breaking capacity and dependable operation in demanding industrial environments. Its integrated striker provides mechanical indication when the fuse operates, simplifying maintenance and reducing equipment downtime.
With a 55 A current rating, 690 V AC IEC rating, 700 V AC/DC UL rating and compact 17 × 49 mm British Standard format, the Mersen C075902 is ideally suited for protecting industrial drives, UPS systems, converters, inverters and other semiconductor equipment.
Key Advantages
- High speed Protistor® semiconductor fuse-link.
- 55 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage capability.
- Integrated striker indicator for rapid maintenance identification.
- Excellent current limiting performance helps minimise semiconductor damage.
- Suitable for industrial automation, motor drives and power conversion equipment.
Key Features
- Mersen Protistor® BS88-4 series.
- Catalogue number: BS17US69V55P.
- 55 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- 17 × 49 mm British Standard fuse-link.
- gR operating class providing full range semiconductor protection.
- Integrated striker for mechanical fuse indication.
- Designed for protection of semiconductor devices and power electronics.
Reliable Protection for Semiconductor Equipment
High speed semiconductor fuses are designed to interrupt fault currents before expensive power electronic devices can be damaged. Their low let-through energy and rapid operating characteristics help maximise equipment reliability while reducing maintenance costs and production downtime.
The Mersen Protistor® range is widely specified for industrial drives, renewable energy systems, UPS installations, converters and automation equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS and battery backup systems.
- Renewable energy inverters.
- Industrial automation and electrical control panels.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | C075902 | |
| Catalogue No | BS17US69V55P | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690V AC UL 55A With Striker | |
| EAN/UPC Code | 3605340012811 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 55 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1970 A²s | |
| Melting I2t | 210 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 | 3 EA | |
| Sell Pack Weight | 0.18 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.06 kg | |
| Power Dissipation at Rated Current Value | 13.3 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen C075902 used for?
The Mersen C075902 is a high speed semiconductor fuse designed to protect power electronic equipment including drives, converters, rectifiers and inverters.
What is the current rating of this fuse?
The fuse has a 55 A rated current.
What voltage is the fuse rated for?
The C075902 is rated for 690 V AC (IEC) and 700 V AC/DC (UL).
What does the striker indicator do?
The integrated striker provides a mechanical indication that the fuse has operated, allowing quicker maintenance and fault diagnosis.
Where is the C075902 commonly installed?
It is typically installed in compatible BS88 fuse holders within industrial drives, power conversion equipment, UPS systems and electrical control panels.
Trusted for Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs, machine builders and industrial engineers worldwide for protecting critical power electronic equipment in demanding industrial applications.
