Roxburgh EMC
Roxburgh EMC has manufactured EMC filter products for more than 50 years, and today trades as a division of Alpha 3 Manufacturing Limited following an August 2025 rebrand. The company designs and produces mains, IEC inlet and chassis-mount EMC/RFI filters, including low-earth-leakage variants for medical equipment, from its 40,000 sq ft facility in Scunthorpe. Alongside its filter range, Roxburgh offers a pre-compliance EMC testing service and EMC consultancy support to its industrial and healthcare customers.
28 Oct 2026 — Scheduled verification (Max). Added Conducted Emissions, Harmonics & Flicker, Railway, Energy, Lighting, Domestic Appliances, IT & Multimedia Equipment, On-Site/Mobile Testing, Pre-Compliance Testing, EMC Consultancy / Troubleshooting, Cyber Essentials Plus, RoHS, frequency range 9 kHz to 30 MHz.
13 Sep 2026 — Scheduled verification (Max). Added Aerospace and Defence, Automotive, Medical Devices, Industrial Control Equipment, Pre-Compliance Scanning.
13 Sep 2026 — Scheduled verification (Lite). No changes.