Fuse Box ROSA NTB-1

Input Box NTB‑1

The NTB‑1 input box is designed for electrical connection inside lighting columns. It is mounted on an aluminium DIN rail using two M6 bolts. Equipped with a single fuse socket (which can be moved between phases), a 5-track terminal for feeder cables, and up to three output terminals for luminaires. The box offers IP54 ingress protection and is made of high-strength materials with excellent insulation properties.

Specifications

• Type: input box
• Material: base — glass-fibre reinforced polycarbonate; cover and cable protection — transparent polycarbonate; terminal block — PTB
• Protection class: II
• Ingress protection: IP54
• Rated insulation voltage: 500 V
• Impulse withstand voltage: 6 kV
• Rated current: 80 A
• Number of fuse sockets: 1 (movable across phases)
• Feeder cables: 5 x 6–16 mm² (Cu)
• Output cables: up to 3 pcs, max. 3 x 2.5 mm²
• Load distribution across phases possible
• Weight: 0.71 kg

Application
Used for powering luminaires inside street and park lighting poles. Suitable for public spaces, pedestrian zones, roads, and technical infrastructure.