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OFAF3H400 ABB 400A gG DIN HRC Fuse Link Size 3 500V
ABB OFAF3H400 is a 400 A 500 V AC gG DIN size 3 HRC fuse link designed for overload and short-circuit protection in industrial low-voltage electrical distribution systems.
£26.25
Why Choose the ABB OFAF3H400 HRC Fuse Link?
The ABB OFAF3H400 is a high-performance DIN-type HRC fuse link designed for dependable overcurrent protection in industrial and commercial low-voltage distribution systems. Part of the ABB OFAF fuse range, this fuse link combines a standardised DIN blade format with high rupturing capacity for use in compatible fuse bases, fuse-switch disconnectors and distribution equipment.
With a rated current of 400 A, the OFAF3H400 uses a gG full-range fuse characteristic, providing protection against both overload and short-circuit currents. This makes it suitable for protecting cables, conductors and general-purpose electrical distribution circuits where reliable fault interruption is essential.
The OFAF3H400 is a DIN size 3 / NH3 fuse link rated at 500 V AC. Its industrial HRC construction and standardised size 3 configuration make it suitable for substantial electrical loads in switchboards, distribution panels and industrial power systems.
Key Advantages
- 400 A rated current for high-current electrical distribution applications.
- 500 V AC rated voltage for industrial low-voltage systems.
- gG full-range characteristic for overload and short-circuit protection.
- DIN size 3 / NH3 format for compatible industrial fusegear.
- HRC construction provides dependable interruption of high fault currents.
- Standard DIN blade configuration simplifies integration with compatible fuse bases and fuse-switch equipment.
- Designed by ABB for reliable protection of industrial power-distribution circuits.
Key Features
- ABB OFAF DIN-type HRC fuse range.
- 400 A nominal current rating.
- 500 V AC rated voltage.
- gG utilisation category.
- DIN size 3 / NH3 fuse format.
- 34 W power loss at rated current.
- DIN blade-contact construction for compatible fusegear.
- Designed for general-purpose cable, conductor and distribution-circuit protection.
- Compliant with IEC 60269.
Reliable Overcurrent Protection for Power Distribution
HRC fuse links such as the ABB OFAF3H400 protect electrical circuits by interrupting excessive current when overload or short-circuit conditions occur. The gG characteristic provides full-range protection, enabling the fuse to protect cables, conductors and general-purpose distribution circuits against both sustained overloads and high fault currents.
The OFAF3H400's standardised DIN size 3 construction enables integration with compatible NH3 fuse bases and fuse-switch equipment. Its 400 A rating and 500 V AC capability make it suitable for demanding industrial distribution systems, machinery supplies and high-current electrical installations.
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.
Technical Specifications
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| Voltage | 500 V | |
|---|---|---|
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Current | 400 A | |
| Device Type | Fuse link | |
| Series | OFAF | |
| Product type | DIN HRC fuse link | |
| Fuse category | gG | |
| Rated current | 400 A | |
| Rated voltage | 500 V AC | |
| Fuse size | DIN size 3 / NH3 | |
| Fuse system | DIN | |
| Power loss | 34 W | |
| Standard | IEC 60269 | |
| Dimensions (W × H × D) | 40 × 150 × 84 mm | |
| Weight | approx. 0.63 kg | |
| Product group | 311002-Fuses And Fusebases |
Frequently Asked Questions
What is the ABB OFAF3H400 used for?
The ABB OFAF3H400 is a 400 A gG HRC fuse link designed to protect low-voltage electrical distribution circuits, cables and conductors against overload and short-circuit currents.
What is the current rating of the OFAF3H400?
The OFAF3H400 has a rated current of 400 A.
What voltage is the ABB OFAF3H400 rated for?
The OFAF3H400 is rated at 500 V AC.
What size is the OFAF3H400 fuse link?
The OFAF3H400 is a DIN size 3 / NH3 HRC fuse link designed for use with compatible size 3 fuse bases and fusegear.
What does the gG classification mean on the OFAF3H400?
The gG classification identifies a general-purpose full-range fuse designed to provide protection against both overload and short-circuit currents.
What standard applies to the ABB OFAF3H400?
The OFAF3H400 is a DIN-type HRC fuse link designed in accordance with IEC 60269.
Trusted by Electrical Professionals Worldwide
ABB OFAF HRC fuse links are designed for dependable protection in industrial and commercial low-voltage distribution systems, combining standardised DIN construction with reliable overload and short-circuit protection.
