Air gap fuse 25A with terminal for insulated lines AsXSn 16-35 with detachable cap BNA-1 LI

Air fuse for protecting the installation

This air fuse from Alpar, model BNA-1 LI, is designed to protect electrical circuits from overload and short circuit. It is a key element ensuring safety in installations, both in domestic and industrial applications. The design with a breakable cap facilitates quick identification of burnout and replacement.

Construction and application

The fuse is made of durable plastic, which ensures its durability and resistance to weather conditions. The fuse socket, made of white electrical porcelain, guarantees good electrical insulation. Designed for mounting on a bundle of AsXSn 16-35 mm² insulated or AL (BNA 2) uninsulated wires, it is used to protect street lighting circuits and small receivers. Therefore, it works both in urban installations and in farms or private homes.

• Durable housing: Made of plastic, it provides resistance to mechanical damage and weather conditions.
• Porcelain socket: Provides high electrical insulation and safe use.
• Breakable cap: Allows for quick visual inspection of the fuse status – after burnout, the cap is damaged, which facilitates identification of the problem.
• Versatility: Possibility of mounting on both insulated (AsXSn 16-35 mm²) and uninsulated (AL) wires.
• Rated current 25A: Suitable for protecting typical lighting circuits and receivers with medium power consumption.

Technical specifications

The BNA-1 LI fuse is characterized by single polarity and a rated voltage of 500V. Its ring construction ensures a secure connection to the wire, and the cover increases safety. The material used – plastic – guarantees lightness and easy installation. Size DII ensures compatibility with popular installation systems.

This fuse is a reliable solution for installers looking for a solid and safe protective element and for end users who value peace of mind and protection of their electrical installation.