Mersen D-Sicherungseinsatz D II 4A braun DIIGG50V4

In industrial control panels and distribution boards, electricians rely on the Mersen Diazed D II fuse link to protect cables and conductors from overloads and short circuits. This 4 A, 500 V AC fuse link features a gG characteristic, making it suitable for general-purpose protection of circuits with moderate inrush currents. The visible indicator provides quick status confirmation, while the ceramic body and silver-plated copper contacts ensure durability and reliable performance.

Key specifications

• Fuse system: Diazed D II (E27 screw-in)
• Rated current: 4 A
• Rated voltage: 500 V AC
• Breaking capacity: 50 kA
• Characteristic: gG (general purpose)
• Body material: Ceramic
• Contact material: Silver-plated copper
• Standard: IEC 60269-3-1
• Colour code: Pink (standard for 4 A D II gG)
• Number of poles: 1

Why choose it

Mersen is a trusted name in electrical protection, and this Diazed fuse link is engineered for reliable operation in demanding environments. Its ceramic body withstands high temperatures, and the silver-plated contacts ensure low contact resistance. The gG characteristic provides effective protection for cables and conductors, while the visible indicator simplifies maintenance by showing when the fuse has operated.

Ideal use cases

• Protection of control circuits in industrial machinery
• Distribution boards in commercial buildings
• Backup protection for motor circuits (with appropriate coordination)
• Replacement fuse for existing Diazed installations

Good to know

This fuse link conforms to IEC 60269-3-1, ensuring compatibility with standard Diazed fuse holders. The pink colour code is industry-standard for 4 A gG fuses in the D II size, allowing for easy identification. Always replace fuses with the same type and rating to maintain protection coordination.