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1SCA022706R3900 ABB 425 A NH2 500 V gG DIN HRC Fuse Link
ABB OFAF2H425 is a 425 A, 500 V AC, NH2 size gG DIN-type HRC fuse link designed for full-range overload and short-circuit protection in industrial electrical systems.
£21.24
Why Choose the ABB OFAF2H425 DIN Fuse Link?
The ABB OFAF2H425 is a high-rupturing-capacity DIN-type gG HRC fuse link designed for dependable protection of cables, conductors and general-purpose industrial electrical circuits against overload and short-circuit currents. Part of the ABB OFAF fuse range, this fuse link combines a 425 A rated current, 500 V AC rated voltage and NH2 / IEC size 2 construction.
The gG utilisation category provides full-range protection against both overload and short-circuit conditions, making the OFAF2H425 suitable for industrial power distribution, switchgear, distribution panels and machinery. Its HRC construction provides reliable fault-current interruption in demanding low-voltage electrical installations.
With its standard DIN/NH format, the OFAF2H425 integrates into compatible fuse bases and fuse-switching equipment. Its 32.2 W power loss at rated current and standardised NH2 dimensions make it a practical high-current protection solution for industrial electrical systems.
Key Advantages
- High-performance gG DIN HRC fuse link for full-range circuit protection.
- 425 A rated current for high-current industrial applications.
- 500 V AC rated voltage.
- Standard NH2 / IEC size 2 DIN fuse format.
- Provides protection against both overload and short-circuit currents.
- Standardised construction for compatible DIN/NH fusegear.
Key Features
- ABB OFAF DIN-type fuse link range.
- 425 A rated current.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- gG utilisation category.
- NH2 / IEC size 2 construction.
- 32.2 W power loss at rated current.
- DIN/NH blade-contact construction.
- High-rupturing-capacity design for industrial circuit protection.
Reliable Full-Range Industrial Circuit Protection
The ABB OFAF2H425 uses a gG operating characteristic designed to provide full-range protection against overload and short-circuit currents. When excessive current flows through the protected circuit, the fuse element operates to interrupt the fault and help protect cables, conductors and connected electrical equipment.
Its 425 A rating and standard NH2 construction make the OFAF2H425 suitable for high-current low-voltage distribution systems. The fuse link can be integrated with compatible DIN/NH fuse bases, fuse switches and switch-disconnectors used throughout industrial electrical installations.
Typical Applications
- Industrial low-voltage power distribution.
- Electrical switchboards and distribution panels.
- Industrial machinery and control systems.
- Fuse switches and switch-disconnectors.
- Cable and conductor protection.
- Commercial and industrial electrical installations.
Technical Specifications
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| Voltage | 500 V | |
|---|---|---|
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | gG | |
| Current | 425 A | |
| Device Type | Fuse link | |
| Series | OFAF | |
| ABB order code | 1SCA022706R3900 | |
| Product type | DIN-type HRC fuse link | |
| Utilisation category | gG | |
| Rated current | 425 A | |
| Rated voltage AC | 500 V AC | |
| Rated voltage DC | 250 V DC | |
| Fuse size | NH2 / IEC size 2 | |
| Power loss | 32.2 W | |
| Applicable standard | IEC 60269 | |
| Dimensions (H × W × D) | approx. 150 × 51 × 72 mm | |
| Weight | approx. 0.63 kg |
Frequently Asked Questions
What is the ABB OFAF2H425 used for?
The ABB OFAF2H425 is a gG DIN-type HRC fuse link designed to protect industrial electrical circuits, cables and conductors against overload and short-circuit currents.
What is the current rating of the OFAF2H425?
The OFAF2H425 has a rated current of 425 A.
What voltage is the ABB OFAF2H425 rated for?
The fuse link is rated for 500 V AC and 250 V DC.
What fuse size is the OFAF2H425?
The OFAF2H425 is an NH2 / IEC size 2 DIN HRC fuse link.
What does the gG classification mean?
The gG classification identifies a full-range general-purpose fuse designed to provide protection against both overload and short-circuit currents.
Trusted Industrial Circuit Protection from ABB
ABB OFAF DIN-type HRC fuse links provide dependable full-range protection for industrial electrical systems, combining standardised NH construction with reliable overload and short-circuit protection for demanding power distribution applications.
