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1SBL411025R8411 ga75-10-00-110v50hz/60hz ac operated ABB Contactor
ABB 1SBL411025R8411 GA75-10-11 DC switching contactor with 110 V AC control coil, 1000 V DC operational voltage and integrated auxiliary contacts for industrial DC switching applications.
Why Choose the ABB GA75-10-11 DC Contactor?
The ABB GA75-10-11 (Part Number: 1SBL411025R8411) is a robust 3-pole DC contactor engineered for switching direct current power circuits in demanding industrial applications. As part of the reliable ABB GA contactor series, it provides dependable switching performance for battery systems, renewable energy installations, industrial DC distribution and traction applications.
Fitted with a 110 V AC 50/60 Hz control coil, the GA75-10-11 delivers reliable operation while incorporating 3 normally open main contacts together with 1 normally open and 1 normally closed auxiliary contact. Its compact design, high DC switching capability and rugged construction make it suitable for continuous industrial operation.
Designed for demanding DC switching duties, the contactor is rated for 100 A DC-1 at 440 V DC, 75 A DC-1 at 600 V DC and 35 A DC-1 at 1000 V DC. Its heavy-duty construction makes it ideal for renewable energy systems, battery storage, industrial DC power supplies and railway applications.
Key Advantages
- Heavy-duty 3-pole DC contactor for industrial applications.
- 110 V AC 50/60 Hz control coil.
- Suitable for switching DC circuits up to 1000 V DC.
- 3 NO main contacts with 1 NO + 1 NC auxiliary contacts.
- Reliable screw terminal connections.
- Compact design for industrial control panels.
Key Features
- ABB GA contactor series.
- 3 normally open (3 NO) main contacts.
- 1 normally open + 1 normally closed auxiliary contacts.
- 110 V AC 50/60 Hz control voltage.
- 100 A DC-1 at 440 V DC.
- 75 A DC-1 at 600 V DC.
- 35 A DC-1 at 1000 V DC.
- Screw terminal connections for secure installation.
Reliable DC Switching Performance
The ABB GA75-10-11 is specifically engineered for switching direct current circuits where conventional AC contactors are unsuitable. Its optimised contact design enables reliable interruption of DC loads while maintaining long electrical and mechanical service life.
Its compact construction and dependable switching characteristics make it suitable for integration into industrial control panels, renewable energy installations, battery storage systems and specialised DC distribution equipment.
Typical Applications
- Battery energy storage systems.
- Solar photovoltaic DC switching.
- Industrial DC power supplies.
- Railway electrical systems.
- DC distribution panels.
- Industrial automation equipment.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 1-pole | |
| Coil Voltage Range | 100–130 V | |
| Device Type | DC Switching Contactor | |
| Voltage | 110 V | |
| Phase | Three Phase | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | AC | |
| Series | GA Block Contactors | |
| Product code | 1SBL411025R8411 | |
| Product type | DC switching contactor | |
| Number of main contacts NO | 3 | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Control voltage | 110 V AC 50 Hz / 110-120 V AC 60 Hz | |
| Rated operational voltage main circuit | 1000 V DC | |
| Rated operational voltage auxiliary circuit | 690 V | |
| Rated frequency | 50 / 60 Hz | |
| Terminal type | Screw terminals | |
| Mounting type | Panel / DIN rail mounting | |
| Dimensions (W × H × D) | approx. 82 × 132 × 108 mm | |
| Weight | approx. 1.26 kg | |
| Standards | IEC 60947-4-1, IEC 60947-5-1 | |
| Protection approvals | UL, CSA, CCC, CE, UKCA |
Frequently Asked Questions
What is the ABB GA75-10-11 used for?
It is designed for switching high-voltage direct current circuits in industrial, renewable energy and railway applications.
What control voltage does this contactor require?
The contactor operates using a 110 V AC 50/60 Hz control coil.
What is the maximum DC operating voltage?
The GA75-10-11 is designed for DC circuits up to 1000 V DC.
How many contacts are fitted?
It includes 3 normally open main contacts together with 1 normally open and 1 normally closed auxiliary contact.
Where is this contactor commonly installed?
It is commonly installed in battery systems, renewable energy installations, industrial DC distribution equipment and railway electrical systems.
Trusted by Industrial Engineers Worldwide
ABB GA contactors are trusted worldwide for reliable DC switching, robust construction and dependable operation across industrial power distribution, renewable energy and transportation applications.
