ABB GAF300-10-11-70 DC switching contactor rated at 500 A for DC-1 applications with three poles connected in series and 100–250 V AC/DC coil control.
£2,627.61
The ABB GAF300-10-11-70 is a heavy-duty DC switching contactor designed for reliable control of high-current DC circuits in industrial applications. As part of the ABB GAF contactor range, it is engineered for DC-1 utilisation category applications where all three poles are connected in series to provide single-pole switching up to 1000 V DC.
This contactor incorporates ABB’s advanced AF coil technology, providing a wide control voltage range and reliable operation across AC and DC control supplies. The integrated coil suppression eliminates the need for separate surge protection components, helping simplify electrical panel design.
With a conventional free-air thermal current rating of 500 A and a DC-1 operational current rating of 500 A at 1000 V DC when three poles are connected in series, the GAF300-10-11-70 is suitable for demanding industrial DC power switching applications.
DC switching contactors such as the ABB GAF300-10-11-70 provide dependable switching and isolation of high-current DC circuits. By connecting the three main poles in series, the contactor is capable of handling high DC voltages in suitable DC-1 applications.
The ABB GAF range is designed for demanding DC applications including industrial power systems, energy storage and automation equipment. Its wide AC/DC control voltage range and integrated suppression features support reliable operation in modern electrical installations.
| Manufacturer | ABB |
|---|---|
| Series | GAF DC Switching Contactors |
| Model | GAF300-10-11-70 |
| Product type | DC switching contactor |
| Product ID | 1SFL557025R7011 |
| EAN | 7320500400784 |
| Number of poles | 3 |
| Main contact configuration | 1 NO with three poles connected in series |
| Auxiliary contacts | 1 NO + 1 NC |
| Rated operational voltage | Up to 1000 V DC |
| Rated operational current DC-1 | 500 A at 1000 V DC with three poles in series at 40 °C |
| Conventional free-air thermal current | 500 A |
| Control voltage | 100–250 V AC/DC |
| Frequency | 50 / 60 Hz |
| Main circuit connection | Main circuit bars |
| Main terminal protection rating | IP00 |
| Coil terminal protection rating | IP20 |
| Dimensions (H × W × D) | 227 × 140 × 180.5 mm |
| Weight | 5.5 kg |
The GAF300-10-11-70 is a DC switching contactor designed for high-current DC circuit switching applications.
The contactor is designed for DC switching applications up to 1000 V DC when the three poles are connected in series.
The contactor has a conventional free-air thermal current rating of 500 A and a DC-1 operational current rating of 500 A at 1000 V DC with three poles in series.
The contactor operates with a wide control voltage range of 100–250 V AC/DC.
The GAF300-10-11-70 includes 1 normally open and 1 normally closed auxiliary contacts.
ABB GAF DC switching contactors provide reliable high-current DC switching solutions for industrial systems requiring dependable performance at elevated DC voltages.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...