Patented closing mechanism for fuse elements used in the VARIABOX distributor generation by Bals
![](/bals-lexikon/image-thumb__19951__auto_60f1b622339d554c0c47bc3232bcfb91/otc_klappfenster.jpg)
Operation & attributes
- Fuse elements arranged below transparent, lockable operating window with user-friendly OTC mechanism (one touch close). It engages in the open state and locks again automatically when touched lightly
- The housing sections and the OTC operating windows can all be lead-sealed
- Protection degree up to IP67