Why Choose the ABB OFAF000H4 4A gG HRC DIN Fuse Link?
The ABB OFAF000H4 is a compact 4 A HRC DIN fuse link designed for dependable full-range overcurrent protection in industrial and commercial electrical installations. Part of the ABB OFAF range, this fuse uses a gG utilisation category, providing protection against both overload and short-circuit currents.
Rated at 4 A and 500 V AC, the OFAF000H4 is suitable for protecting cables, conductors, distribution circuits and general-purpose electrical equipment. Its high-rupturing-capacity construction provides reliable interruption of high fault currents, with a maximum breaking capacity of 120 kA.
The compact NH000 / size 000 DIN format enables installation in compatible NH fuse bases and switch-fuse equipment. Dual indication supports convenient identification of fuse operation, while its low 1.5 W power loss supports efficient continuous operation in industrial electrical systems.
Key Advantages
- Full-range gG protection against overload and short-circuit currents.
- 4 A rated current for lower-current electrical circuits.
- 500 V AC rated voltage for industrial low-voltage systems.
- Compact NH000 / size 000 DIN-format construction.
- 120 kA maximum breaking capacity for dependable fault interruption.
- Dual indication for convenient fuse status identification.
Key Features
- ABB OFAF HRC DIN fuse link.
- 4 A rated current.
- 500 V AC rated voltage.
- gG utilisation category.
- NH000 / size 000 fuse format.
- 120 kA maximum breaking capacity.
- 1.5 W power loss at rated current.
- Dual fuse indication.
- Designed in accordance with IEC 60269.
Reliable Full-Range Electrical Circuit Protection
gG fuse links provide full-range overcurrent protection, responding to both sustained overloads and high short-circuit currents. This makes them suitable for general-purpose protection of cables, conductors and electrical equipment throughout industrial and commercial low-voltage installations.
The ABB OFAF000H4 combines a 4 A current rating with a 500 V AC rating, 120 kA maximum breaking capacity and compact NH000 construction. Its standard DIN format enables straightforward integration with compatible fusegear in switchboards, machinery and electrical distribution equipment.
Typical Applications
- Industrial electrical distribution systems.
- Electrical switchboards and control panels.
- Cable and conductor protection.
- Industrial machinery and automation equipment.
- Low-current distribution and auxiliary circuits.
- NH fuse bases and switch-fuse assemblies.
