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MERSEN FUSE 12,5 URD 71 D11 A 0280 12,5URD71D11A0280
High-speed aR characteristic fuse with 280A rating, suitable for semiconductor protection and industrial applications. Features integrated striker indication and DIN 110 blade terminals.
£87.43
Why Choose the Mersen K300711 Industrial Fuse?
The Mersen K300711 is an industrial electrical protection component designed for use in compatible power distribution, machinery and automation systems. Manufactured by Mersen, a recognised specialist in circuit protection, the K300711 supports reliable fault interruption in professionally engineered electrical installations.
Mersen industrial fuses are designed to protect cables, conductors and valuable electrical equipment against potentially damaging overcurrent and short-circuit conditions. Their robust construction makes them suitable for control panels, production machinery, power conversion equipment and other demanding industrial applications.
The precise current rating, voltage rating, utilisation category, breaking capacity and physical dimensions of the K300711 should be confirmed from the product label or official Mersen technical documentation before purchase or installation. Correct fuse selection is essential for dependable protection, effective circuit coordination and safe equipment operation.
Key Advantages
- Manufactured by Mersen, a recognised electrical protection specialist.
- Designed to protect compatible circuits against excessive fault current.
- Suitable for demanding industrial electrical environments.
- Robust construction supports dependable long-term operation.
- Helps protect valuable machinery and electrical components.
- Suitable for OEM, replacement and industrial maintenance requirements.
Key Features
- Mersen industrial circuit protection product.
- Manufacturer reference K300711.
- Designed for overcurrent and short-circuit protection.
- Industrial-grade construction.
- Suitable for coordinated electrical protection systems.
- Designed for installation in a compatible fuse holder or mounting assembly.
- Suitable for machinery, automation and power distribution equipment.
- Intended for professional electrical installation and maintenance.
Reliable Protection for Industrial Electrical Systems
Industrial fuses operate by safely interrupting excessive current before it can cause serious thermal damage to conductors, switching equipment or connected machinery. Correctly coordinated fuse protection can reduce equipment damage, improve installation reliability and minimise unplanned production downtime.
The Mersen K300711 should be selected according to the circuit voltage, normal operating current, prospective short-circuit current, equipment characteristics and applicable electrical regulations. Replacement fuses must provide compatible electrical performance and physical dimensions.
Typical Applications
- Industrial electrical control panels.
- Power distribution and switching equipment.
- Manufacturing and production machinery.
- Motor control and automation systems.
- Power conversion and industrial power supply equipment.
- Electrical maintenance and replacement programmes.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | K300711 | |
| Catalogue No | PC71UD13C280D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 280A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340332537 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 280 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 71 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 96 kA²s | |
| Melting I2t | 12 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 | 70 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen K300711 used for?
The Mersen K300711 is used as an electrical protection component in compatible industrial circuits, machinery and power distribution equipment.
How can I confirm the electrical rating of the K300711?
The rated current, voltage, utilisation category and breaking capacity should be confirmed from the fuse label or the official Mersen technical datasheet before installation.
Can the K300711 replace another fuse model?
It should only replace another fuse when the electrical ratings, operating characteristics, terminal arrangement and physical dimensions are fully compatible.
Who should install the Mersen K300711?
The fuse should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Where is the Mersen K300711 typically installed?
It may be installed in compatible industrial control panels, machinery, power distribution systems and electrical protection assemblies.
Trusted Industrial Electrical Protection
Mersen circuit protection products are used by engineers, panel builders, equipment manufacturers and maintenance professionals to protect critical electrical systems against damaging fault conditions.
