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1SBL419025R8711 gae75-10-00-125v-dc ABB Contactor
ABB 1SBL419025R8711 GAE75-10-11 DC switching contactor with 125 V DC control circuit, 1000 V DC operational capability and integrated auxiliary contacts for industrial DC switching applications.
Why Choose the ABB GAE75-10-11 DC Contactor?
The ABB GAE75-10-11 (1SBL419025R8711) is a high performance DC switching contactor developed for safely controlling high voltage direct current circuits. Part of the reliable ABB GAE DC contactor series, it is designed for demanding applications including battery energy storage systems, renewable energy installations, industrial DC power distribution and railway infrastructure.
Unlike conventional AC contactors, the GAE75-10-11 is specifically engineered for DC operation using permanent magnet arc suppression and specially designed arc chutes to extinguish DC arcs safely. Its rugged block construction provides dependable switching performance, long mechanical endurance and reliable operation in harsh industrial environments.
Equipped with a 125 V DC double-winding control coil, 1 NO main contact and 1 NO + 1 NC auxiliary contacts, this contactor is capable of switching DC circuits up to 1000 V. Its compact design and screw terminals make installation straightforward within industrial control panels and DC power systems.
Key Advantages
- Designed specifically for high voltage DC switching applications.
- 125 V DC double-winding operating coil.
- Suitable for switching DC circuits up to 1000 V.
- Integrated 1 NO + 1 NC auxiliary contacts for monitoring and control.
- Permanent magnet arc suppression technology for safe DC interruption.
- Robust industrial construction with long mechanical life.
Key Features
- ABB GAE75 DC contactor series.
- 125 V DC operating coil.
- 100 A DC-1 rating at 440 V DC.
- 75 A DC-1 rating at 600 V DC.
- 35 A DC-1 rating at 1000 V DC.
- 1 NO main contact with 1 NO + 1 NC auxiliary contacts.
- Permanent magnet DC arc extinguishing system.
- DIN rail or panel mounting with screw terminals.
Reliable DC Switching for Critical Industrial Applications
The ABB GAE75-10-11 is specifically engineered for direct current applications where reliable interruption of DC loads is essential. Permanent magnets combined with dedicated arc chambers rapidly extinguish DC arcs, improving operational safety while helping maximise contact life.
Its integrated auxiliary contacts allow straightforward integration with PLCs, monitoring systems and industrial automation equipment, making it ideal for battery storage, renewable energy installations, railway systems and industrial DC distribution.
Typical Applications
- Battery energy storage systems (BESS).
- Solar photovoltaic installations.
- Electric vehicle charging infrastructure.
- Industrial DC power distribution.
- Railway and traction systems.
- Renewable energy and automation control panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 1-pole | |
| Coil Voltage Range | 100–130 V | |
| Power | 55 kW | |
| Current | 120 A | |
| Voltage | 125 V | |
| Phase | Single Phase | |
| Coil / Supply Voltage | 125 V DC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | DC | |
| Current AC-1 | 125 A | |
| Series | GAE Block Contactors | |
| Product code | 1SBL419025R8711 | |
| Product type | DC switching contactor | |
| Main contact configuration | 1 pole via 3 contacts connected in series | |
| Number of main contacts NO | 3 | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Control voltage | 125 V DC | |
| Rated operational voltage main circuit | 1000 V DC | |
| Rated operational voltage auxiliary circuit | 690 V | |
| Conventional thermal current | 125 A | |
| Rated operational current DC-1 | up to 120 A depending on voltage | |
| Rated operational current DC-3 | up to 120 A depending on voltage | |
| Rated operational current DC-5 | up to 85 A depending on voltage | |
| Rated impulse withstand voltage | 8 kV | |
| Mechanical durability | up to 10 million operations | |
| Maximum mechanical switching frequency | 3600 cycles per hour | |
| Terminal type | Screw terminals | |
| Mounting type | Panel / DIN rail mounting | |
| Dimensions (W × H × D) | approx. 94 × 132 × 108 mm | |
| Weight | approx. 1.3 kg | |
| Standards | IEC 60947-4-1, IEC 60947-5-1 |
Frequently Asked Questions
What is the ABB GAE75-10-11 used for?
It is designed for safely switching high voltage DC circuits used in battery storage, renewable energy, industrial automation and transport applications.
What control voltage does this contactor require?
The contactor operates using a 125 V DC double-winding control coil.
Does this model include auxiliary contacts?
Yes. It includes one normally open and one normally closed auxiliary contact for signalling and control purposes.
What maximum operating voltage is supported?
The GAE75-10-11 is suitable for switching direct current applications up to 1000 V DC when correctly specified.
Where is this contactor typically installed?
It is commonly installed in battery storage equipment, photovoltaic systems, industrial DC panels, railway infrastructure and EV charging installations.
Trusted for High Voltage DC Switching
ABB GAE DC contactors are trusted by engineers worldwide for dependable high voltage DC switching, offering advanced arc suppression, reliable operation and long service life across demanding industrial applications.
