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1SCA022637R3980 ABB 500A gG DIN HRC Fuse Link Size 4a 500V
ABB OFAF4AH500 is a 500 A 500 V gG DIN size 4a HRC fuse link designed for overload and short-circuit protection in high-current low-voltage electrical distribution systems.
£136.72
Why Choose the ABB OFAF4AH500 HRC Fuse Link?
The ABB OFAF4AH500 is a heavy-duty DIN HRC fuse link designed for dependable overcurrent protection in high-current low-voltage electrical distribution systems. With ABB order code 1SCA022637R3980, it forms part of the ABB OFAF gG fuse range for industrial power distribution and circuit protection.
Rated at 500 A and 500 V, the OFAF4AH500 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 distribution circuits in demanding industrial installations.
The OFAF4AH500 is a DIN size 4a fuse link. Its high-current HRC construction and standardised DIN configuration make it suitable for substantial electrical loads in switchboards, distribution assemblies and compatible fuse-switch equipment.
Key Advantages
- 500 A rated current for high-current industrial distribution applications.
- 500 V rated voltage for low-voltage electrical systems.
- gG full-range characteristic provides overload and short-circuit protection.
- DIN size 4a construction for compatible high-current fusegear.
- HRC design provides dependable interruption of substantial fault currents.
- Standardised DIN format supports integration into compatible fuse bases and switching equipment.
- ABB-manufactured protection device for demanding industrial power-distribution systems.
Key Features
- ABB OFAF gG HRC fuse range.
- 500 A nominal current rating.
- 500 V rated voltage.
- gG utilisation category.
- DIN size 4a fuse format.
- DIN-type construction for compatible industrial fusegear.
- Designed for full-range overload and short-circuit protection.
- Suitable for high-current cable, conductor and distribution-circuit protection.
- ABB order code 1SCA022637R3980.
Reliable Overcurrent Protection for High-Current Distribution
HRC fuse links such as the ABB OFAF4AH500 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.
With its 500 A rating and DIN size 4a configuration, the OFAF4AH500 is designed for substantial industrial power-distribution applications. Its standardised construction enables integration with compatible high-current fusegear in switchboards, distribution assemblies and industrial electrical systems.
Typical Applications
- High-current industrial low-voltage distribution systems.
- Main electrical switchboards and distribution assemblies.
- Cable and conductor overload and short-circuit protection.
- Industrial machinery and production power supplies.
- Compatible DIN fuse bases and fuse-switch equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Voltage | 500 V | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH4a | |
| Fuse Class | gG | |
| Current | 500 A | |
| Series | OFAF | |
| ABB order code | 1SCA022637R3980 | |
| Product type | DIN HRC fuse link | |
| Fuse category | gG | |
| Rated current | 500 A | |
| Rated voltage | 500 V | |
| Fuse size | DIN size 4a | |
| Fuse system | DIN | |
| Power loss | 42.5 W | |
| Weight | 2.0 kg | |
| Product group | 311002-Fuses And Fusebases |
Frequently Asked Questions
What is the ABB OFAF4AH500 used for?
The ABB OFAF4AH500 is a gG HRC fuse link designed to protect high-current low-voltage electrical distribution circuits, cables and conductors against overload and short-circuit currents.
What is the current rating of the OFAF4AH500?
The OFAF4AH500 has a rated current of 500 A.
What voltage is the ABB OFAF4AH500 rated for?
The OFAF4AH500 has a rated voltage of 500 V.
What size is the OFAF4AH500 fuse link?
The OFAF4AH500 is a DIN size 4a HRC fuse link designed for compatible size 4a fusegear.
What does the gG classification mean on the OFAF4AH500?
The gG classification identifies a general-purpose full-range fuse designed to provide protection against both overload and short-circuit currents.
Where is the ABB OFAF4AH500 typically installed?
The OFAF4AH500 is typically installed in compatible high-current DIN fusegear within industrial switchboards, distribution assemblies and low-voltage power-distribution systems.
Trusted by Electrical Professionals Worldwide
ABB OFAF gG HRC fuse links are designed for dependable protection in industrial low-voltage distribution systems, combining standardised DIN construction with reliable overload and short-circuit protection for demanding high-current applications.
