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1SCA022703R2770 ABB 20A gG DIN Fuse Link Size 1 690V
ABB OFAA1GG20 is a 20 A NH size 1 gG HRC DIN fuse link rated at 690 V AC for full-range overload and short-circuit protection in industrial electrical systems.
£10.45
Why Choose the ABB OFAA1GG20 20A gG DIN Fuse Link?
The ABB OFAA1GG20 is a reliable 20 A HRC DIN fuse link designed for general-purpose circuit protection in industrial and commercial electrical installations. Part of ABB’s OFAA range of DIN-type fuse links, it combines a gG utilisation category with NH size 1 construction to provide dependable full-range overcurrent protection.
With a rated current of 20 A and a rated voltage of 690 V AC, the OFAA1GG20 is designed to protect cables, conductors and electrical equipment against overload and short-circuit currents. Its gG operating characteristic makes it suitable for a broad range of low-voltage power distribution and industrial control applications.
The NH1 / size 1 DIN format enables straightforward installation in compatible fuse bases, fuse holders and switch-fuse equipment. Designed in accordance with IEC 60269, the OFAA1GG20 provides standardised protection for switchboards, distribution equipment, machinery and other industrial electrical systems.
Key Advantages
- Full-range gG fuse protection for general-purpose circuits.
- 20 A rated current for industrial and commercial applications.
- Rated for operation at up to 690 V AC.
- NH size 1 DIN-format construction.
- Provides protection against both overload and short-circuit currents.
- Suitable for compatible industrial fuse bases and switch-fuse equipment.
Key Features
- ABB OFAA DIN-type HRC fuse link.
- 20 A rated current.
- 690 V AC rated voltage.
- gG utilisation category for general-purpose protection.
- NH1 / size 1 fuse format.
- 2.3 W power loss at rated current.
- Designed in accordance with IEC 60269.
- Industrial construction for dependable electrical circuit protection.
Reliable Full-Range Industrial Circuit Protection
gG fuse links provide full-range protection against both overload and short-circuit currents, making them suitable for protecting cables, conductors and general-purpose electrical circuits. Their operating characteristics make them a widely used protection solution in industrial low-voltage distribution systems.
The ABB OFAA range uses standard DIN-type NH construction for integration with established industrial fusegear. The OFAA1GG20 combines a 20 A current rating, NH size 1 format and 690 V AC rating to provide dependable protection in control panels, distribution systems and industrial machinery.
Typical Applications
- Industrial power distribution systems.
- Electrical switchboards and distribution panels.
- Cable and conductor protection.
- Industrial machinery and automation equipment.
- Fuse-base and switch-fuse assemblies.
- Commercial and industrial electrical installations.
Technical Specifications
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| Voltage | 690 V | |
|---|---|---|
| Fuse Type | NH (DIN) | |
| Fuse Size | NH1 | |
| Fuse Class | gG | |
| Current | 20 A | |
| Device Type | Fuse link | |
| Series | OFAA | |
| ABB order code | 1SCA022703R2770 | |
| Product type | HRC DIN fuse link | |
| Fuse system | DIN | |
| Utilisation category | gG | |
| Rated current | 20 A | |
| Rated voltage | 690 V AC | |
| Fuse size | NH1 / size 1 | |
| Power loss | 2.3 W | |
| Standard | IEC 60269 | |
| Application | General-purpose overload and short-circuit protection | |
| Product net weight | approx. 0.28 kg |
Frequently Asked Questions
What is the ABB OFAA1GG20 used for?
The ABB OFAA1GG20 is a gG HRC fuse link designed to provide overload and short-circuit protection for general-purpose electrical circuits.
What is the current rating of the OFAA1GG20?
The OFAA1GG20 has a rated current of 20 A.
What voltage is the ABB OFAA1GG20 rated for?
The OFAA1GG20 is rated for operation at up to 690 V AC.
What fuse size is the OFAA1GG20?
The OFAA1GG20 is an NH1 / size 1 DIN-type fuse link for use with compatible industrial fusegear.
What does the gG fuse classification mean?
The gG classification identifies a general-purpose full-range fuse designed to provide protection against both overload and short-circuit currents.
Trusted Industrial Circuit Protection from ABB
ABB OFAA DIN-type fuse links provide dependable protection for industrial electrical systems, with the OFAA1GG20 combining a 20 A rating, 690 V AC capability, NH size 1 construction and a gG characteristic for general-purpose circuit protection.
