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FREE DELIVERY ON ORDERS OVER £50 IN THE UK & EU
The 63A ET 660V (RMS) Fuse provides reliable overcurrent and short-circuit protection for industrial and commercial electrical systems. High breaking capacity, durable construction, and IEC/UL compliance ensure long-lasting safety and performance.
£9.22 ex. VAT
| 1-4 | 5-9 | 10-19 | 20+ |
| £9.22 | £8.76 | £8.32 | £7.91 |
The 63A ET 660V (RMS) Fuse is a high-performance protection device engineered for demanding electrical applications. Designed to safeguard circuits and equipment against overcurrent and short-circuit conditions, this fuse combines reliability, durability, and safety compliance. Built with Mersen’s advanced fuse technology, it delivers excellent protection for industrial, commercial, and energy distribution systems.
Industrial control panels
Power distribution systems
Motor protection
Renewable energy installations (solar, wind, storage)
Machinery and automation equipment
UPS and power supply systems
High Breaking Capacity – ensures reliable protection under fault conditions
Rugged Design – built to withstand demanding industrial environments
Compact Size – easy integration into switchgear and control panels
Consistent Performance – precise operation for maximum circuit protection
Global Standards Compliance – tested to IEC and UL requirements
Energy Efficiency – low power dissipation reduces system losses
| Brand | Mersen |
| Product Type | Fuse |
| Rated Current | 63A |
| Rated Voltage | 660V AC (RMS) |
| Breaking Capacity | High (per IEC standards) |
| Fuse Type | ET (industrial fuse) |
| Mounting | Panel / holder compatible |
| Standards | IEC / UL Certified |
| Operating Temperature | -40°C to +100°C (typical) |
| Construction | Ceramic body with metal end caps |
| RoHS Compliant | Yes |
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