Why Choose the ABB OFAF3H425 HRC Fuse Link?
The ABB OFAF3H425 is a robust DIN-type HRC fuse link designed for dependable overcurrent protection in industrial and commercial low-voltage distribution systems. With ABB order code 1SCA022627R6860, it forms part of the ABB OFAF gG fuse range and provides reliable protection for cables, conductors and electrical distribution circuits.
Rated at 425 A and 500 V, the OFAF3H425 uses a gG full-range fuse characteristic, providing protection against both overload and short-circuit currents. Its HRC construction is designed to safely interrupt substantial fault currents, making it suitable for demanding industrial power-distribution applications.
The OFAF3H425 is a DIN size 3 / NH3 fuse link with dual indication. ABB documentation specifies a power loss of 33 W for this exact model, while its standardised DIN blade configuration enables installation in compatible size 3 fuse bases and fuse-switch equipment.
Key Advantages
- 425 A rated current for high-current electrical distribution applications.
- 500 V rated voltage for low-voltage industrial power systems.
- gG full-range characteristic provides overload and short-circuit protection.
- DIN size 3 / NH3 construction for compatible industrial fusegear.
- Dual indication assists with identification of fuse operation.
- HRC construction provides dependable fault-current interruption.
- Standardised DIN blade format simplifies integration into compatible fuse bases and fuse-switch disconnectors.
Key Features
- ABB OFAF gG HRC fuse range.
- 425 A nominal current rating.
- 500 V rated voltage.
- gG utilisation category.
- DIN size 3 / NH3 fuse format.
- Dual fuse indication.
- 33 W power loss.
- DIN blade-contact construction for compatible fusegear.
- Designed for general-purpose cable, conductor and distribution-circuit protection.
- ABB order code 1SCA022627R6860.
Reliable Overcurrent Protection for Industrial Distribution
HRC fuse links such as the ABB OFAF3H425 protect electrical circuits by interrupting excessive current during overload and short-circuit conditions. The gG characteristic provides full-range protection, making this fuse suitable for protecting cables, conductors and general-purpose low-voltage distribution circuits.
The OFAF3H425 combines a 425 A current rating with a standardised DIN size 3 configuration for integration into compatible industrial fusegear. Its dual indication supports efficient inspection and maintenance, while the DIN blade format makes it suitable for switchboards, distribution assemblies and fuse-switch applications.
Typical Applications
- Industrial low-voltage power distribution systems.
- Electrical switchboards and distribution panels.
- Cable and conductor overload and short-circuit protection.
- Industrial machinery power supplies.
- Fuse-switch disconnectors and compatible NH3 fuse bases.
- Commercial and industrial electrical installations.
