Deliver to
United Kingdom
Ships in 5-7 business days
The Siemens 3NA3144 delivers robust overcurrent protection tailored for industrial and commercial electrical systems across the UK. Rated at 250 A, operating up to 500 V AC (or 440 V DC), this high‑rupture‑capacity gG fuse is engineered for reliability in demanding environments. Featuring a centred blade tag and front‑facing red indicator, it ensures fast fault detection and easy installation even under British wiring standards. Built for durability with silver‑plated contacts and compliance to IEC 60269, VDE and CSA regulations, it's a go‑to choice for safe, dependable power protection.
The 3NA3144 fuse delivers peace of mind: its high-capacity breaking performance (120 kA AC, 25 kA DC) ensures protection even under severe fault conditions. With a clear visual fault indicator, non‑insulated grip lugs and compact NH1 sizing (137 mm length, 47 mm width), installation and maintenance remain straightforward. Low power loss (18.2 W), IP20 rating (with connected conductors), ambient tolerance -5 °C to +40 °C, and global approvals make it a dependable solution for UK professionals prioritising safety and efficiency.
For more information please check the datasheets.
EnrgTech delivered my 250A 1 NH Centred Tag Fuse, gG, 500V ac without any issues. The customer care was exceptional, answering all my questions. The sales team was very professional and ensured a smooth purchase process. I am very pleased with the product and the service. For quality products and excellent service, visit EnrgTech's website.
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