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1SFL637731R5122 ABB GF1050-20-22-51 1050A PV DC Contactor, 2 Pole, 2NO 2NC Auxiliary Contacts, 24-60V AC/DC Coil
ABB GF875-20-22-51 two phase DC contactor for photovoltaic applications up to 1500 V DC with 875 A DC-PV3 rating and 24–60 V AC/DC coil control.
£3,490.21
Why Choose the ABB GF875-20-22-51 Contactor?
The ABB GF875-20-22-51 is a high-performance two-phase DC contactor designed for reliable switching in photovoltaic solar power systems and high-voltage DC applications. As part of the ABB GF contactor range, it provides dependable operation for demanding renewable energy and industrial power control systems.
This contactor is specifically developed for PV solar power applications up to 1500 V DC and features ABB wide-range AC/DC coil technology, allowing flexible control integration with modern electrical systems.
With a 875 A DC-PV3 rated current, 24–60 V AC/DC control voltage range and a two-pole main contact configuration, the GF875-20-22-51 is suitable for large photovoltaic installations, DC power switching systems and industrial renewable energy applications.
Key Advantages
- High-performance ABB GF series contactor for DC switching applications.
- Designed for photovoltaic solar power systems up to 1500 V DC.
- 875 A DC-PV3 rated current for high-power renewable energy applications.
- 24–60 V AC/DC coil range provides flexible control voltage compatibility.
- Two main poles for reliable DC circuit switching.
- Suitable for demanding industrial and renewable energy installations.
Key Features
- ABB GF875-20-22-51 contactor.
- Two-pole main contact configuration.
- 2 NO main contacts.
- 2 NO + 2 NC auxiliary contacts.
- 24–60 V AC/DC control voltage.
- 1500 V DC rated operational voltage.
- Designed for photovoltaic and DC switching applications.
- Connection rail main circuit terminals.
Reliable DC Switching for Renewable Energy Systems
DC contactors such as the ABB GF875-20-22-51 provide safe and reliable control of high-current DC circuits used in photovoltaic and industrial power systems. Their dedicated DC switching design enables dependable operation where conventional AC contactors are unsuitable.
The ABB GF series is engineered for applications requiring high DC voltage capability, flexible control options and reliable long-term performance in demanding electrical environments.
Typical Applications
- Photovoltaic solar power systems.
- Large-scale renewable energy installations.
- DC power switching applications.
- Battery and energy storage systems.
- Industrial DC control systems.
- High-voltage electrical distribution applications.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Poles | 2-pole | |
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Device Type | DC Switching Contactor | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC | |
| Auxiliary Contacts | 2NO + 2NC | |
| Current AC-1 | 900 A | |
| Model | GF1050-20-22-51 | |
| Manufacturer | ABB | |
| Series | GF Contactors | |
| Product ID | 1SFL617731R5122 | |
| Product type | Two-phase DC switching contactor | |
| Main contacts | 2 NO | |
| Auxiliary contacts | 2 NO + 2 NC | |
| Rated operational voltage | 1500 V DC | |
| Rated DC-PV3 current | 875 A at 1500 V DC | |
| Rated DC-1 current | 210 A at 1500 V DC | |
| Conventional thermal current | 900 A at 40 °C | |
| Control voltage | 24–60 V AC/DC | |
| Rated insulation voltage | 1500 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated frequency | 50 / 60 Hz | |
| Terminal type | Connection rail | |
| Mounting type | Block contactor | |
| Dimensions (H × W × D) | 355 × 253 × 300 mm | |
| Weight | 14.3 kg |
Frequently Asked Questions
What is the ABB GF875-20-22-51 used for?
This contactor is used for switching high-current DC circuits in photovoltaic systems and industrial DC power applications.
What voltage can this contactor switch?
The ABB GF875-20-22-51 is designed for photovoltaic applications up to 1500 V DC.
What coil voltage does the GF875-20-22-51 require?
The contactor operates with a wide 24–60 V AC/DC control voltage range.
How many main contacts are included?
The contactor includes two normally open main contacts for DC switching applications.
Where is this contactor typically installed?
The GF875-20-22-51 is typically installed in photovoltaic systems, renewable energy equipment and industrial DC power control panels.
Trusted by Renewable Energy Engineers Worldwide
ABB GF contactors are widely used in solar power and industrial DC applications to deliver reliable high-voltage switching, flexible integration and dependable operation in demanding environments.
