The Protistor® 17×27 aR 250V AC UL 20A fuse-link offers rapid and reliable protection for semiconductor devices and power electronics with a compact 17×27 mm design, certified to BS standards and UL recognised.
£13.24
The Mersen L097507 is a premium electrical carbon brush designed to provide dependable current transfer between stationary and rotating components in compatible electric motors, generators and industrial electrical machinery. Manufactured by Mersen, this replacement component is intended for professional maintenance, repair and overhaul applications where reliable electrical contact and long service life are essential.
Carbon brushes are essential wear components that maintain continuous electrical contact with a rotating commutator or slip ring during machine operation. The Mersen L097507 is manufactured from high-quality conductive carbon materials to provide stable conductivity, controlled wear characteristics and dependable performance when installed in compatible equipment.
Selecting the correct replacement carbon brush helps minimise electrical arcing, reduce commutator wear and improve machine reliability. Before ordering the Mersen L097507 carbon brush, verify the part number, dimensions, carbon grade, lead arrangement and equipment compatibility against the original component or the machine manufacturer's documentation.
Electrical carbon brushes provide a conductive connection between fixed electrical wiring and rotating machine components. As normal wear items, they should be inspected regularly and replaced before excessive wear affects machine efficiency or damages the commutator or slip ring.
Using the correct brush dimensions, carbon grade and connection type helps maintain efficient electrical performance while reducing downtime and extending the service life of motors and generators. During installation, the brush holder, spring pressure and rotating contact surface should also be inspected to ensure optimum operation.
| Item number | L097507 |
|---|---|
| Catalogue No | BS17US25V20 |
| Description | British Standard fuse-link Protistor® 17x27 aR 250V AC UL 20A |
| EAN/UPC Code | 3605340146455 |
| Rated voltage AC UL | 250 V |
| Rated voltage DC UL | 300 V |
| Rated voltage AC IEC | 250 V |
| Ampere Rating | 20 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 17x27 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 100 A²s |
| Melting I2t | 15.6 A²s |
| Connection/Terminal Material | Copper |
| Connection/Terminal Type | L Brackets |
| Product Diameter | 18.5 mm |
| Product Length | 54.4 mm |
| Sell Pack Quantity | 10 EA |
| Sell Pack Weight | 0.276 kg |
| Sell Pack Width | 68 mm |
| Sell Pack Length | 188 mm |
| Sell Pack Height | 24 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.0276 kg |
| Power Dissipation at Rated Current Value | 3.9 W |
| HS Code | 85361050 |
| Country of Manufacture | India |
The Mersen L097507 is an electrical carbon brush designed to transfer electrical current between stationary and rotating components in compatible motors, generators and industrial machinery.
Compare the part number, dimensions, carbon grade, lead arrangement and equipment model with the original component or manufacturer documentation before ordering.
Replace the brush when it reaches the manufacturer's recommended wear limit or if it shows signs of cracking, overheating, uneven wear or excessive sparking.
Where recommended by the equipment manufacturer, carbon brushes should be replaced as a matched set to ensure balanced wear and consistent electrical contact.
Inspect the brush holder, spring pressure, flexible lead and commutator or slip ring condition. The brush should move freely and make even contact with the rotating surface.
Mersen carbon brushes are trusted worldwide across industrial motor, generator and rotating equipment applications, providing dependable electrical performance, controlled wear and reliable operation.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...