High-speed fuse designed for semiconductor protection with 700A aR rating, suitable for AC applications up to 1300VAC UL and 1200VAC IEC. Features a striker indication system and DIN 110 blade terminals.
£284.28
The Mersen H300571 is an industrial electrical protection component identified by the manufacturer reference H300571. It is intended for use with compatible electrical power, control, conversion or machinery equipment where accurate component identification and dependable circuit protection are essential.
Using the complete Mersen H300571 reference helps engineers, panel builders, maintenance teams and purchasing professionals identify the specified component accurately. Matching the original manufacturer part number reduces the risk of selecting an alternative with unsuitable electrical ratings, operating characteristics, dimensions or connection arrangements.
Detailed technical information for this exact reference could not be independently verified from reliable public documentation. Before ordering or installing the H300571, confirm its exact product type, rated voltage, rated current, utilisation category, 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 protected circuit, available fault current and requirements of the associated equipment. Products with similar external dimensions can have substantially different voltage ratings, current ratings, time-current characteristics and interruption capabilities.
The Mersen H300571 should therefore be selected using its complete manufacturer reference rather than its appearance alone. A qualified electrical professional should verify every applicable rating, the connection format, mounting requirements, available installation space and environmental conditions before energising the system.
| Current | 11 A |
|---|---|
| Item number | H300571 |
| Catalogue No | PC73UD12C700D1A |
| Description | Square Body High-Speed Fuse Protistor® Size 73 aR 1200VAC IEC 1300VAC UL 700A With Striker DIN 110 Blades |
| EAN/UPC Code | 3605340330465 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1200 V |
| Ampere Rating | 700 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 73 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 900 kA²s |
| Melting I2t | 110 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 | 73 mm |
| Product Length | 133.4 mm |
| Product Height | 78.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 3.36 kg |
| Sell Pack Width | 150 mm |
| Sell Pack Length | 250 mm |
| Sell Pack Height | 90 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 1.12 kg |
| Power Dissipation at Rated Current Value | 146 W |
| HS Code | 85351000 |
The Mersen H300571 is an industrial electrical protection component identified by manufacturer part number H300571. Its exact construction, electrical ratings and configuration should be confirmed using official Mersen documentation.
Compare the complete H300571 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, mechanical and performance characteristic matches the application.
No component should be selected by appearance alone. Similar-looking electrical protection products can have different ratings, operating characteristics and fault-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...