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1SCA022627R3840 ABB 50A gG DIN Size 1 Fuse 500V Dual Indication
ABB OFAF1H50 is a 50 A gG DIN size 1 HRC fuse link rated at 500 V AC with dual indication for reliable general-purpose overload and short-circuit protection.
£9.66
Why Choose the ABB OFAF1H50 DIN Fuse?
The ABB OFAF1H50 is a dependable DIN-type HRC fuse link designed to provide reliable overcurrent and short-circuit protection in low-voltage electrical distribution and industrial installations. As part of the ABB OFAF1 fuse range, it features a gG utilisation category for full-range protection of cables, conductors and general electrical equipment.
The OFAF1H50 uses the standardised DIN size 1 / NH1 format for installation in compatible fuse bases, fuse switches and switch-fuse equipment. Its gG operating characteristic provides protection against both overload and short-circuit currents, while the dual indication system assists maintenance personnel with identifying fuse operation during inspection and fault finding.
With a rated current of 50 A and a rated voltage of 500 V AC, the OFAF1H50 is suitable for a broad range of low-voltage distribution and industrial circuits. ABB order code 1SCA022627R3840 identifies this specific 50 A DIN size 1 fuse link.
Key Advantages
- Reliable gG general-purpose overcurrent and short-circuit protection.
- 50 A rated current for industrial and distribution circuits.
- 500 V AC rated voltage for low-voltage electrical systems.
- Standardised DIN size 1 / NH1 construction.
- Dual indication assists with identification of fuse operation.
- Designed for use with compatible DIN fuse bases, fuse switches and switch-fuse equipment.
Key Features
- ABB OFAF1 DIN-type HRC fuse link.
- 50 A rated current.
- 500 V AC rated voltage.
- gG utilisation category for general-purpose full-range protection.
- DIN size 1 / NH1 fuse-link construction.
- Dual indication for convenient fuse status identification.
- 5.1 W power loss at rated current.
- Designed for industrial low-voltage distribution and circuit protection.
- ABB order code 1SCA022627R3840.
Reliable Protection for Low-Voltage Electrical Circuits
DIN-type gG fuse links provide full-range protection against overload and short-circuit currents. When excessive current passes through a protected circuit, the fuse element operates to interrupt the fault current, helping protect cables, conductors and connected electrical equipment against potentially damaging electrical conditions.
The ABB OFAF1H50 combines a 50 A current rating with a standardised DIN size 1 format, making it suitable for industrial switchboards, distribution panels and other low-voltage installations. Its gG characteristic provides versatile protection across a wide range of general electrical distribution applications.
Typical Applications
- Low-voltage electrical distribution systems.
- Industrial switchboards and distribution panels.
- Cable and conductor overcurrent protection.
- Electrical machinery and automation equipment.
- Fuse switches and fuse bases using compatible DIN size 1 fuse links.
- Commercial and industrial electrical installations.
Technical Specifications
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| Voltage | 500 V | |
|---|---|---|
| Current | 50 A | |
| Fuse Class | gG | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH1 | |
| Device Type | Fuse link | |
| Fuse Indication | Dual indicator | |
| Series | OFAF1 | |
| ABB order code | 1SCA022627R3840 | |
| Product group | 311002-Fuses And Fusebases | |
| Product type | DIN-type HRC fuse link | |
| Fuse utilisation category | gG | |
| Rated current | 50 A | |
| Rated voltage | 500 V AC | |
| DIN / NH size | 1 / NH1 | |
| Indication | Dual indication | |
| Power loss at rated current | 5.1 W | |
| Application | General-purpose low-voltage circuit protection |
Frequently Asked Questions
What is the ABB OFAF1H50 used for?
The ABB OFAF1H50 is a 50 A gG DIN-type HRC fuse link used for general-purpose overload and short-circuit protection in low-voltage electrical systems.
What is the current rating of the ABB OFAF1H50?
The OFAF1H50 has a rated current of 50 A.
What voltage is the ABB OFAF1H50 rated for?
The OFAF1H50 is rated at 500 V AC.
What size is the ABB OFAF1H50 fuse?
The OFAF1H50 is a DIN size 1 / NH1 fuse link designed for use with compatible fuse bases, fuse switches and switch-fuse equipment.
What does the gG rating of the OFAF1H50 mean?
The gG utilisation category identifies the OFAF1H50 as a general-purpose full-range fuse designed to provide protection against both overload and short-circuit currents.
Trusted ABB Circuit Protection
ABB OFAF DIN-type fuse links provide dependable overcurrent and short-circuit protection for low-voltage electrical systems, combining established gG fuse technology with standardised DIN construction for industrial and electrical distribution applications.
