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1SFL557025R7011 ABB GAF300-10-11-70 100-250V 50/60Hz / 100-250V DC 1 Pole 1NO 1NO/1NC DC Switching Contactor
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.
£1,707.95
Why Choose the ABB GAF300-10-11-70 DC Switching Contactor?
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.
Key Advantages
- High-performance DC switching contactor for industrial applications.
- 500 A DC-1 operational current with three poles connected in series.
- Supports DC switching applications up to 1000 V DC.
- Wide 100–250 V AC/DC control voltage range.
- Built-in coil suppression removes the need for separate surge protection.
- Suitable for high-current DC power control systems.
Key Features
- ABB GAF300 DC switching contactor series.
- Three-pole contactor for series-connected DC switching.
- 500 A conventional free-air thermal current.
- 1000 V DC maximum rated operational voltage.
- 100–250 V AC control voltage at 50/60 Hz.
- 100–250 V DC control voltage.
- 1 NO + 1 NC auxiliary contacts.
- DC-1 utilisation category design.
Reliable High-Current DC Switching
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.
Typical Applications
- Industrial DC power switching systems.
- Battery energy storage equipment.
- DC power distribution systems.
- Industrial automation installations.
- Power conversion equipment.
- High-current DC control applications.
Technical Specifications
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| Poles | 1-pole | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V, 200–250 V | |
| Device Type | DC Switching Contactor | |
| Coil / Supply Voltage | 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC, 208 V AC, 220 V AC, 220 V DC, 230 V AC, 240 V AC, 250 V DC | |
| Auxiliary Contacts | 1NO + 1NC | |
| Current AC-1 | 500 A | |
| Number of poles | 1 | |
| Manufacturer | ABB | |
| Series | GAF DC Switching Contactors | |
| Model | GAF300-10-11-70 | |
| Product type | DC switching contactor | |
| Product ID | 1SFL557025R7011 | |
| EAN | 7320500400784 | |
| 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 |
Frequently Asked Questions
What is the ABB GAF300-10-11-70 used for?
The GAF300-10-11-70 is a DC switching contactor designed for high-current DC circuit switching applications.
What DC voltage can the GAF300-10-11-70 switch?
The contactor is designed for DC switching applications up to 1000 V DC when the three poles are connected in series.
What current rating does the ABB GAF300-10-11-70 support?
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.
What control voltage does the GAF300-10-11-70 require?
The contactor operates with a wide control voltage range of 100–250 V AC/DC.
What auxiliary contacts are included?
The GAF300-10-11-70 includes 1 normally open and 1 normally closed auxiliary contacts.
Trusted by Industrial Automation Professionals
ABB GAF DC switching contactors provide reliable high-current DC switching solutions for industrial systems requiring dependable performance at elevated DC voltages.
