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1SBL419025R8111 gae75-10-11-24v-dc ABB Contactor
ABB 1SBL419025R8111 GAE75-10-11 DC switching contactor with 24 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 (1SBL419025R8111) is a robust DC switching contactor designed for demanding direct current applications requiring reliable control and isolation. As part of the proven ABB GAE DC contactor range, it is engineered to switch high voltage DC circuits safely while delivering long service life in industrial, renewable energy and transport applications.
Purpose-built for DC operation, the GAE75-10-11 incorporates permanent magnet arc suppression technology to safely interrupt direct current. Its integrated auxiliary contacts provide additional control and signalling functionality, making it ideal for sophisticated automation and control systems where dependable DC switching is essential.
Featuring a 24 V DC control coil, a 1000 V DC maximum operational voltage and an integrated 1 NO + 1 NC auxiliary contact, this contactor is well suited to battery energy storage systems, photovoltaic installations, EV charging infrastructure and industrial DC distribution equipment.
Key Advantages
- Purpose-designed DC contactor for high voltage switching applications.
- 24 V DC control coil for dependable operation.
- Suitable for switching DC circuits up to 1000 V.
- Integrated 1 NO + 1 NC auxiliary contacts for control and signalling.
- Permanent magnet arc suppression improves safe DC interruption.
- Long mechanical life with reliable industrial performance.
Key Features
- ABB GAE75-10-11 DC contactor.
- 24 V DC operating coil.
- 100 A DC-1 rating at 440 V DC.
- 35 A DC-1 rating up to 1000 V DC.
- 1 NO main contact.
- 1 NO + 1 NC integrated auxiliary contacts.
- Permanent magnet arc extinction technology.
- Screw terminal connections for secure installation.
Reliable DC Switching for Critical Power Systems
The ABB GAE75-10-11 is specifically engineered for applications where conventional AC contactors cannot safely interrupt direct current. Permanent magnets and specially designed arc chambers rapidly extinguish the DC arc, helping maximise operational safety and contact longevity.
Its integrated auxiliary contacts simplify monitoring and control integration, making the contactor an excellent choice for battery storage systems, renewable energy installations, transport infrastructure and industrial DC automation.
Typical Applications
- Battery energy storage systems (BESS).
- Solar photovoltaic DC installations.
- Electric vehicle charging infrastructure.
- Industrial DC distribution systems.
- Railway and traction equipment.
- Renewable energy and automation control panels.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Poles | 1-pole | |
| Power | 55 kW | |
| Coil Voltage Range | 24 V | |
| Current | 120 A | |
| Voltage | 24 V | |
| Phase | Three Phase | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | DC | |
| Current AC-1 | 125 A | |
| Series | GAE Block Contactors | |
| Product code | 1SBL419025R8111 | |
| Product type | DC switching contactor | |
| Number of main contacts NO | 3 | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Control voltage | 24 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 | 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 to safely switch high voltage direct current circuits in renewable energy, battery storage and industrial DC power systems.
What control voltage does this contactor use?
The contactor is fitted with a 24 V DC operating coil.
Does this model include auxiliary contacts?
Yes, it features one normally open and one normally closed auxiliary contact for signalling and control functions.
What is the maximum DC operating voltage?
The GAE75-10-11 is suitable for applications up to 1000 V DC depending on the load and application requirements.
Where is this contactor commonly installed?
It is commonly installed in battery energy storage systems, photovoltaic equipment, industrial DC control panels, EV charging systems and transport infrastructure.
Trusted for High Performance DC Switching
ABB GAE DC contactors are trusted by engineers worldwide for dependable high voltage DC switching, combining robust construction, advanced arc suppression technology and long operational life.
