High-speed fuse designed for semiconductor protection with 630A rating, compliant with IEC and UL standards, featuring a striker indication system and flush-end silver-plated brass terminals.
£191.94
The Mersen H300525 is a professional-grade electrical protection component intended for use with compatible industrial power distribution, power conversion and machinery control equipment. Manufactured by Mersen, it is suited to installations where dependable protection, precise component identification and reliable system operation are essential.
The H300525 manufacturer reference helps engineers, panel builders, maintenance professionals and purchasing teams identify the required component accurately. Selecting a product with the correct Mersen reference helps maintain the electrical and mechanical characteristics specified for the original installation while reducing the risk of problems caused by an unsuitable replacement.
Before purchasing or installing the Mersen H300525, verify its rated voltage, rated current, protection category, breaking capacity, terminal arrangement and physical dimensions against the existing component and current Mersen technical documentation. Installation should proceed only when every relevant specification is suitable for the equipment and operating environment.
Correctly selected electrical protection components help limit the effects of short circuits, overcurrents and other abnormal electrical conditions. They can help protect machinery, conductors, control systems and power electronic equipment while reducing the likelihood of extensive damage and unplanned downtime.
The Mersen H300525 should be matched using its complete manufacturer reference and installed by a suitably qualified electrical professional. Operating voltage, current, protection characteristics, breaking capacity, mounting arrangement and environmental conditions must all be verified before the equipment is energised.
| Item number | H300525 |
|---|---|
| Catalogue No | PC71UD11C630TF |
| Description | Square Body High-Speed Fuse Protistor® Size 71 aR 1000VAC IEC 1100VAC UL 630A With Striker Flush ends metric threads |
| EAN/UPC Code | 3605340329773 |
| Rated voltage AC UL | 1100 V |
| Rated voltage AC IEC | 1000 V |
| Ampere Rating | 630 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 71 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 725 kA²s |
| Melting I2t | 126 kA²s |
| AC Max I.R./Breaking Capacity | I1: 150 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 51 mm |
| Product Length | 74 mm |
| Product Height | 56.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.545 kg |
| Sell Pack Width | 90 mm |
| Sell Pack Length | 170 mm |
| Sell Pack Height | 70 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.515 kg |
| Power Dissipation at Rated Current Value | 105 W |
| HS Code | 85361090 |
The Mersen H300525 is an electrical protection component intended for use with compatible industrial power, machinery and electrical control equipment.
Compare the complete H300525 part number, electrical ratings, protection characteristics, terminal configuration and dimensions with the existing component and official Mersen documentation.
It may be suitable as a replacement where the original equipment documentation specifies the same Mersen reference and matching electrical and mechanical characteristics.
Confirm the rated voltage, rated current, protection category, breaking capacity, terminal arrangement, dimensions and operating environment before installation.
No replacement should be selected by appearance alone. The complete part number, electrical performance, dimensions and connection arrangement must be verified before substitution.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Mersen electrical protection products are used by engineers, panel builders, equipment manufacturers and maintenance professionals to support dependable operation in industrial power and control systems.
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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...