ABB GAF1650-10-11-70 heavy-duty DC-1 contactor rated at 1650 A and 1000 V DC, with a 100–250 V AC/DC electronic coil and integrated 1 NO plus 1 NC auxiliary contacts.
The ABB GAF1650-10-11-70, order code 1SFL677025R7011, is a heavy-duty DC switching contactor designed for high-current DC-1 applications. Its three physical main poles are connected in series to create a single-pole switching configuration suitable for operational voltages up to 1000 V DC.
Part of the advanced ABB GAF contactor range, this contactor features an electronically controlled coil with a wide 100–250 V AC/DC control voltage range. The electronic coil helps manage control-voltage variations while supporting dependable opening and closing within industrial DC switching systems.
With a rated DC-1 operational current of 1650 A at 40 °C and a conventional free-air thermal current of 1650 A, the GAF1650-10-11-70 is engineered for demanding high-power DC installations. Integrated 1 NO and 1 NC auxiliary contacts provide convenient signalling, feedback and interlocking functions.
Key Advantages
Heavy-duty contactor designed for high-current DC-1 applications.
1650 A rated operational current at 40 °C.
1000 V DC rated operational voltage with three poles connected in series.
Wide 100–250 V AC/DC electronic coil simplifies control-system integration.
Integrated 1 NO and 1 NC auxiliary contacts for status and interlocking circuits.
Robust block-contactor construction supports demanding industrial environments.
Key Features
ABB GAF1650 DC contactor series.
1650 A DC-1 rated operational current at 40 °C.
1000 V DC main-circuit operational voltage.
Three physical main poles connected in series for single-pole switching.
100–250 V AC at 50/60 Hz or 100–250 V DC coil.
1 NO + 1 NC auxiliary contacts.
Main-circuit bar terminals for high-current connections.
Electronic coil control for reliable contactor operation.
Reliable High-Current Switching for DC Systems
DC contactors must interrupt current without the natural zero-crossing found in an AC circuit. The ABB GAF1650-10-11-70 addresses this requirement by connecting its three main poles in series, providing controlled single-pole switching for DC-1 loads at voltages up to 1000 V DC.
Its electronic coil accepts both AC and DC control supplies across a broad voltage range, helping reduce the number of coil variants required within an installation. The integrated auxiliary contacts can provide contactor status feedback or support electrical interlocking and supervisory control circuits.
Typical Applications
High-current industrial DC distribution systems.
Battery storage and battery switching equipment.
Photovoltaic and renewable-energy installations.
DC drives and industrial power-conversion systems.
Electrical isolation and load-switching assemblies.
OEM high-power control panels and industrial equipment.
Technical Specifications
Manufacturer
ABB
Series
GAF Contactors
Model
GAF1650-10-11-70
Order code
1SFL677025R7011
Product type
DC switching block contactor
Utilisation category
DC-1
Physical main poles
3, connected in series
Switching configuration
1-pole
Main contacts
1 NO
Auxiliary contacts
1 NO + 1 NC
Rated operational voltage
1000 V DC
Rated operational current at 40 °C
1650 A
Rated operational current at 55 °C
1450 A
Rated operational current at 70 °C
1270 A
Conventional free-air thermal current
1650 A
Rated control circuit voltage
100–250 V AC, 50/60 Hz / 100–250 V DC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Mechanical durability
0.5 million operations
Maximum mechanical switching frequency
300 cycles per hour
Main terminal type
Bars
Main terminal protection
IP00
Coil terminal protection
IP20
Operating temperature
−40 to +70 °C
Storage temperature
−40 to +70 °C
Maximum operating altitude without derating
3000 m
Dimensions (H × W × D)
392 × 438 × 244 mm
Weight
33 kg
Frequently Asked Questions
What is the ABB GAF1650-10-11-70 used for?
It is designed for switching high-current DC-1 loads in industrial DC distribution, battery, renewable-energy and power-conversion systems.
What current can the GAF1650-10-11-70 carry?
Its rated DC-1 operational current is 1650 A at 40 °C, 1450 A at 55 °C and 1270 A at 70 °C.
What maximum operational voltage is supported?
The contactor supports a rated main-circuit operational voltage of 1000 V DC when all three main poles are connected in series.
What control voltage does this contactor require?
The electronic coil operates from 100–250 V AC at 50/60 Hz or 100–250 V DC.
What auxiliary contacts are included?
The GAF1650-10-11-70 includes one normally open and one normally closed auxiliary contact for signalling, feedback and interlocking functions.
Trusted for High-Power DC Control Worldwide
ABB GAF contactors are used by industrial engineers, panel builders and equipment manufacturers to provide reliable switching and control for demanding high-current DC applications.
Manufacturer
ABB
Series
GAF Contactors
Model
GAF1650-10-11-70
Order code
1SFL677025R7011
Product type
DC switching block contactor
Utilisation category
DC-1
Physical main poles
3, connected in series
Switching configuration
1-pole
Main contacts
1 NO
Auxiliary contacts
1 NO + 1 NC
Rated operational voltage
1000 V DC
Rated operational current at 40 °C
1650 A
Rated operational current at 55 °C
1450 A
Rated operational current at 70 °C
1270 A
Conventional free-air thermal current
1650 A
Rated control circuit voltage
100–250 V AC, 50/60 Hz / 100–250 V DC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Mechanical durability
0.5 million operations
Maximum mechanical switching frequency
300 cycles per hour
Main terminal type
Bars
Main terminal protection
IP00
Coil terminal protection
IP20
Operating temperature
−40 to +70 °C
Storage temperature
−40 to +70 °C
Maximum operating altitude without derating
3000 m
Dimensions (H × W × D)
392 × 438 × 244 mm
Weight
33 kg
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...