High-speed Protistor® fuse with gR characteristic for semiconductor protection rated at 550A and 690VAC, featuring striker indication and DIN 110 blade terminals.
£222.83
The Mersen L301724 is an industrial electrical protection component designed for use with compatible power distribution, control and machinery systems. Manufactured by Mersen, it provides electrical engineers, panel builders and maintenance teams with a clearly identifiable component for professional replacement, servicing and original equipment applications.
Correctly selected electrical protection products play an important role in maintaining system reliability and safeguarding valuable equipment. Ordering the Mersen L301724 by its exact manufacturer reference helps simplify component identification, maintenance planning and spare-parts management while reducing the risk of selecting an unsuitable replacement.
The Mersen L301724 is suitable for professional industrial installations where dependable component compatibility is required. Before fitting the product, its electrical ratings, physical dimensions, mounting arrangement and equipment compatibility should be checked against the original component and the relevant Mersen documentation.
Industrial electrical protection components help support the safe and reliable operation of machinery, control panels and power distribution equipment. Selecting the correct product is essential because electrical ratings, connection arrangements, mounting requirements and equipment compatibility can vary between installations.
Using an accurately matched Mersen replacement component can help maintain the integrity of an existing system, reduce servicing delays and minimise the risk of fitting an incompatible part. The full manufacturer reference and all relevant technical information should always be verified before ordering or installation.
| Current | 11 A |
|---|---|
| Item number | L301724 |
| Catalogue No | PC72GB69V550D1A |
| Description | Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 550A With Striker DIN 110 Blades |
| EAN/UPC Code | 3605340345766 |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 550 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | gR |
| Fuse Size | 72 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 495 kA²s |
| Melting I2t | 84.1 kA²s |
| AC Max I.R./Breaking Capacity | I1: 150 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | DIN 110 Blades |
| Product Width | 59 mm |
| Product Length | 133.4 mm |
| Product Height | 63 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 2.1999 kg |
| Sell Pack Width | 145 mm |
| Sell Pack Length | 73 mm |
| Sell Pack Height | 195 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.7333 kg |
| Power Dissipation at Rated Current Value | 78 W |
| HS Code | 85361090 |
| Country of Manufacture | France |
The Mersen L301724 is an industrial electrical component intended for use in compatible power distribution, equipment protection, machinery and maintenance applications.
It may be used as a replacement when the complete part number, electrical ratings, dimensions, mounting arrangement and equipment compatibility match the original component.
Compare the L301724 reference and all technical specifications with the existing component, equipment manual or official Mersen documentation before installation.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety regulations.
It may be used within compatible industrial control panels, power distribution equipment, production machinery and OEM electrical assemblies.
Mersen electrical products are selected by engineers, panel builders, machine manufacturers and maintenance professionals for power management, equipment protection and industrial electrical applications.
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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...