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The Protistor® 17×49 gR fuse-link is engineered for reliable protection of power distribution and semiconductor applications, rated at 32A and 690VAC with built-in striker indication.
£36.48
The Mersen H220991 is a high performance BS88 high speed semiconductor fuse engineered to provide fast and reliable protection for power electronic equipment. Manufactured as part of the trusted Mersen Protistor® range, it is specifically designed to safeguard sensitive semiconductor devices including diodes, thyristors, IGBTs and rectifiers against short circuit faults.
Designed for demanding industrial applications, the H220991 delivers exceptional current limiting performance and high breaking capacity to minimise damage during fault conditions. Its compact BS88 blade design allows straightforward installation into compatible fuse holders, making it suitable for new installations as well as maintenance and replacement projects.
With a 32 A current rating and a 690 V AC voltage rating, the Mersen H220991 provides dependable protection for industrial drives, power converters, UPS systems and other power electronics where rapid fault interruption is essential.
High speed semiconductor fuses are designed to interrupt fault currents before damage can occur to sensitive power electronic devices. Their extremely fast operating characteristics help protect expensive equipment while reducing downtime and maintenance costs.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, motor drives and power conversion systems where dependable overcurrent protection is essential for reliable operation.
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 17x49 mm | |
| Voltage | 690 V | |
| Item number | H220991 | |
| Catalogue No | BS17GB69V32P | |
| Description | British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 32A With Striker | |
| EAN/UPC Code | 3605340249095 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage DC UL | 600 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 32 A | |
| AC or DC | AC | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 330 A²s | |
| Melting I2t | 52.5 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | gRB | |
| 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 | 9 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
The H220991 is a high speed semiconductor fuse designed to protect sensitive power electronic devices against short circuit faults.
The fuse has a 32 A current rating.
The Mersen H220991 is rated for operation on systems up to 690 V AC.
It is commonly used to protect variable frequency drives, UPS systems, rectifiers, inverters, power converters and other semiconductor-based equipment.
Yes. The H220991 incorporates a striker indicator to assist with fuse status identification and maintenance.
Mersen Protistor® semiconductor fuses are trusted worldwide for delivering fast acting protection that helps maximise equipment reliability and minimise costly downtime across industrial power electronic applications.
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