Home All products Medium Voltage Distribution and Grid Automation Protection Relays by Range Vamp Protection VAMP Arc Protection Products Overview Documents VAMP 221 Key Features: Flexible and modular system can be adapted to different targets requiring arc protection Cental unit and modular units engineer a scheme to your requirements Auxiliary supply and communication via modular cable Continuous supervision of sensors Connection of portable arc sensor in arc sensor I/O units Indication of arc sensor / current channel and trip relay activation 3-phase current measurement or 2-phase and earth-fault current measurement Circuit-breaker failure protection (CBFP) Operation on simultaneous current and light or on light only 4 normally open trip contacts One normally open and one change over alarm contact 7 ms operation time including the output relay Programmable operation zones EcoStruxure™ for Your Business EcoStruxure lets you thrive in today's digital world. Make better business decisions with scalable and converged IT/OT solutions. Learn more Can’t find what you are looking for? Reach out to our customer team in your country or region if you have any questions or need more details or technical support. Contact support Frequently Asked Questions Easily find and share the answer you are looking for from our online FAQ service Browse FAQ opens in new Window Need information? Browse our resource section and find the most useful tools and documents for all our products Browse Energy and sustainability services First, envision an energy-efficient, cost-effective and sustainable enterprise. Next, discover our energy and sustainability services, including big data management, to turn this vision into your business reality. Browse services + Lifecycle Services From energy and sustainability consulting to optimizing the lifecycle of your assets, we have services to meet your business needs. Discover services SIGN UP FOR EMAIL I'd like to receive news and commercial info from Schneider Electric and its affiliates via electronic communication means such as email. For more details, please read our Privacy Policy. I am a... B2B Distributor Consumer Retailer Contractor Electrician Facilities Professional Home Builder / Developer Home Owner / Consumer Industrial Automation Professional IT / Data Center Professional IT Solution Provider Original Equipment Manufacturer Panel Builder Software or Service Provider Specifying Consultant or Engineer Student / Job Seeker System Integrator Sign up ABOUT US Company Profile Careers Investors Share price Newsroom Sustainability Diversity Events Privacy Policy Accessibility SUPPORT Need help? Start here Product Selector Product Documentation & Software downloads Browse FAQs Green Premium: RoHS, REACH CONTACTS Contact Center Contact Support Get a Quote Where to Buy? Find Schneider Electric Offices Find a Training Center QUICK LINKS All products + Lifecycle Services For your home For your business Partners Life Is On Customer Stories Blog EcoStruxure Register Your Product Global - FR Legal Information Privacy Policy Cookie Notice Change your cookie settings ©2021, Schneider Electric