The PC30UD69V50TF fuse delivers ultra-fast protection for semiconductors with a 50A rating, high breaking capacity, and compliance with IEC and UL standards. Features include striker indication, flush end silver-plated brass terminals, and a ceramic body.
£70.08
The Mersen S300373 is a specialist industrial electrical protection component intended for use in professional power distribution, machinery and electrical control applications. Manufactured by Mersen, it provides a clearly identifiable replacement option for engineers, maintenance teams and equipment owners requiring the specific S300373 manufacturer reference.
Accurate component selection is essential when maintaining electrical protection systems. Matching the original manufacturer part number helps preserve equipment compatibility, dependable operation and the intended performance of the installation. The S300373 reference also simplifies procurement and replacement-part identification during planned maintenance or equipment repairs.
The Mersen S300373 is suitable for demanding industrial environments where reliable electrical components are required. Before installation, users should confirm its electrical ratings, physical configuration and compatibility against the original component, equipment documentation or current Mersen technical information.
Industrial electrical protection components help maintain the dependable operation of machinery, control systems and power distribution equipment. Correctly specified components can reduce the risk of equipment damage, support safe isolation and minimise disruption caused by unexpected electrical faults.
The Mersen S300373 carries a dedicated manufacturer reference that allows engineers and purchasing teams to identify the required component accurately. Its part number, physical format and electrical characteristics should be checked carefully before installation to ensure that it is suitable for the intended system.
| Item number | S300373 |
|---|---|
| Catalogue No | PC30UD69V50TF |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 50A With Striker Flush ends metric threads |
| EAN/UPC Code | 3605340327489 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 50 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 30 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 0.68 kA²s |
| Melting I2t | 0.116 kA²s |
| AC Max I.R./Breaking Capacity | I1: 200 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 40 mm |
| Product Length | 50.6 mm |
| Product Height | 48 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.7389 kg |
| Sell Pack Width | 85 mm |
| Sell Pack Length | 135 mm |
| Sell Pack Height | 55 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.2463 kg |
| Power Dissipation at Rated Current Value | 9 W |
| HS Code | 85361050 |
| Country of Manufacture | France |
The Mersen S300373 is intended for use in professional industrial electrical systems, including protection, control, machinery and power distribution applications.
Yes. S300373 is the manufacturer reference used to identify this Mersen industrial electrical component.
Compare the S300373 reference, physical configuration and electrical ratings with the original component, equipment manual or current Mersen technical documentation.
The component should be installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
It may be installed within industrial control panels, machinery, automation systems or power distribution equipment requiring the corresponding Mersen part reference.
Mersen components are used in professional electrical systems where accurate product selection, dependable performance and reliable equipment protection are essential.
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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...