The PC70UD13C125EF delivers reliable circuit protection for demanding industrial applications, featuring rapid response to overloads at voltages up to 1250VAC (IEC) and 1300VAC (UL). Its size 70 square body and aR characteristic ensure optimal safeguarding of sensitive power electronics such as drives and inverters.
£131.01
The Mersen S300603 is a manufacturer-specific industrial electrical replacement component intended for professional maintenance, repair and equipment-support applications. Identified by the exact manufacturer reference S300603, it enables engineers, maintenance teams and purchasing departments to locate the corresponding component for compatible industrial electrical equipment.
Accurate part-number matching is essential when sourcing components for machinery, electrical control panels and power distribution systems. Selecting the specified Mersen reference helps minimise the risk of ordering an unsuitable substitute while supporting compatibility with the original equipment configuration.
The Mersen S300603 should be selected by comparing its manufacturer reference, physical configuration and electrical markings with the original component and associated equipment documentation. Detailed technical specifications could not be verified through publicly accessible manufacturer information, so all ratings and installation requirements should be confirmed from the product label or current Mersen technical documentation before use.
Industrial electrical systems depend on correctly identified components to maintain safe and dependable operation. Using the precise manufacturer reference helps maintenance personnel avoid unsuitable substitutions that could affect component fit, electrical compatibility or overall equipment performance.
The Mersen S300603 provides a distinct reference for use during procurement, servicing and planned maintenance. Before installation, the complete specification should be checked against the existing component, electrical drawings and the latest technical information supplied by Mersen.
| Item number | S300603 |
|---|---|
| Catalogue No | PC70UD13C125EF |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 125A With Striker Open Slot Blades |
| EAN/UPC Code | 3605340330885 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 125 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 70 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 10500 A²s |
| Melting I2t | 1310 A²s |
| AC Max I.R./Breaking Capacity | I1: 126 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | Open Slot Blades |
| Product Width | 39.8 mm |
| Product Length | 123.4 mm |
| Product Height | 49.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.074 kg |
| Sell Pack Width | 127 mm |
| Sell Pack Length | 137 mm |
| Sell Pack Height | 65 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.358 kg |
| Power Dissipation at Rated Current Value | 38 W |
| HS Code | 85351000 |
The Mersen S300603 is a manufacturer-specific industrial electrical component identified by the exact Mersen reference S300603.
Yes. S300603 is the reference used to identify this Mersen component for purchasing, maintenance and replacement purposes.
Compare the S300603 reference, physical configuration and electrical markings with the original component, equipment drawings and current Mersen technical documentation.
The electrical ratings should be taken directly from the product marking or verified using current manufacturer documentation before selection or installation.
Installation should be completed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Mersen components support professional electrical maintenance applications where accurate product identification, dependable component selection and equipment reliability are essential.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...