High-speed Protistor® fuse with 350A rating, dual voltage support (1250VAC IEC, 1300VAC UL), integrated striker for status indication, and DIN 110 blade terminals for industrial semiconductor protection.
£151.22
The Mersen H300548 is a professional-grade electrical protection component identified by the manufacturer reference H300548. It is intended for use with compatible industrial power distribution, power conversion, machinery and electrical control equipment where accurate component selection and dependable system protection are essential.
Using the complete Mersen H300548 reference helps engineers, panel builders, maintenance teams and purchasing professionals identify the required component accurately. Matching the original manufacturer part number can reduce the risk of installing a component with unsuitable electrical characteristics, dimensions or connection arrangements.
Detailed public technical information for this exact reference could not be independently verified. Before ordering or installing the H300548, confirm its product type, rated current, rated voltage, operating class, breaking capacity, terminal arrangement and dimensions using the component label, equipment documentation or an official Mersen data sheet.
Electrical protection components must be selected according to the requirements of the protected circuit and the associated equipment. Components with similar external dimensions may have significantly different voltage ratings, current ratings, operating curves or interruption capabilities.
The Mersen H300548 should therefore be selected using its complete part number rather than appearance alone. A qualified electrical professional should verify every applicable rating, the connection format, available installation space and environmental conditions before the system is energised.
| Current | 11 A |
|---|---|
| Item number | H300548 |
| Catalogue No | PC71UD13C350D1A |
| Description | Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 350A With Striker DIN 110 Blades |
| EAN/UPC Code | 3605340330069 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 350 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 71 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 178 kA²s |
| Melting I2t | 22 kA²s |
| 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 | DIN 110 Blades |
| Product Width | 51 mm |
| Product Length | 133.4 mm |
| Product Height | 56.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.56 kg |
| Sell Pack Width | 142 mm |
| Sell Pack Length | 166 mm |
| Sell Pack Height | 62 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.52 kg |
| Power Dissipation at Rated Current Value | 80 W |
| HS Code | 85351000 |
The Mersen H300548 is an industrial electrical protection component identified by the manufacturer part number H300548. Its exact electrical ratings and configuration should be confirmed using official Mersen documentation.
Compare the complete H300548 reference, product type, voltage and current ratings, operating class, breaking capacity, terminal arrangement and dimensions with the existing component and equipment documentation.
It may be suitable where the original equipment specifies the same Mersen reference and every relevant electrical and mechanical characteristic matches the application.
No component should be selected by appearance alone. Similar-looking electrical protection products can have different ratings, operating characteristics and interruption capabilities.
Check the exact product type, rated voltage, rated current, operating class, breaking capacity, terminal arrangement, dimensions, mounting method and environmental requirements.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Mersen products are specified by engineers, equipment manufacturers, panel builders and maintenance professionals for industrial power management and electrical protection applications.
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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...
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...