The PV NH Fuse bases are specifically made for photovoltaic uses while the DF Fuse bases are specifically made for fuse-links. The DF Fuse bases are made from high grade materials that follows the European Directive 2002/95/EC RoHS such as silver-plated copper contacts and high-temperature resistant plastic materials that can extinguish itself. It can be installed for DIN rail mounting or with screw fixing. To attain an optimum operation, it makes contact with double spring.
There is a broad range of accessories like contact and fuse link covers and partition walls, which allows for an IP20 protection index.