Fuse Box ROSA NTB-3

Rosa NTB‑3 fuse box

The NTB‑3 fuse box is designed for connecting luminaires inside street lighting poles. It includes three fuse sockets for phases L1, L2, and L3. The box is mounted on an aluminium rail using two M6 bolts. The enclosure is made of polycarbonate reinforced with glass fibre, and the terminal strip is manufactured from PTB material offering high insulation and mechanical strength. Ingress protection rating — IP54.

Specifications:

• Type: fuse box
• Number of fuse sockets: 3
• Protection class: II
• Rated insulation voltage: 500 V
• Impulse withstand voltage: 6 kV
• Rated current: 80 A
• Weight: 0.76 kg

Application:
Luminaire connection in lighting columns with the possibility of load separation across different phases.