topTER is designed for distribution boards and boasting IP66 and IP67 ratings for unparalleled durability and protection against wear, liquids, and dust ingress. With the socket insert seamlessly integrated into the body, eliminating the need for screws and potential weak points, topTER ensures robust performance in any environment. Featuring a patented high visibility handle, users can easily discern the switch status at a glance, enhancing safety and usability. Plus, the fuse holder base is safeguarded by a door with an ergonomic opening mechanism and indestructible keys, providing added security and peace of mind.