We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
1SFL637001R6811 af750-30-11-68 400kw/750 amp 24-60v dc ABB Contactor
MPN: 1SFL637001R6811
Alt. SKU: AF750-30-11-68
Why Choose the ABB AF750-30-11-68 Contactor?
The ABB AF750-30-11-68, part number 1SFL637001R6811, is a heavy-duty 3-pole industrial contactor engineered for demanding motor control and high-current power switching applications. As part of the advanced ABB AF contactor series, it incorporates ABB’s electronically controlled coil technology to deliver dependable switching performance across wide control voltage ranges while improving operational reliability and reducing panel energy consumption.
Designed for industrial automation systems, OEM machinery and large-scale motor starting applications, the AF750-30-11-68 controls motors up to 400 kW at 400 V AC under AC-3 duty while switching power circuits up to 1050 A AC-1. Integrated surge suppression technology helps simplify panel layouts while protecting sensitive control circuits from transient voltage disturbances.
Its robust industrial construction, combined with pre-mounted auxiliary contacts and integrated main circuit bars, makes this contactor ideal for industrial control panels, pumps, compressors, conveyors and automation equipment requiring dependable long-term switching performance and simplified high-current wiring.
Key Advantages
- Heavy-duty 3-pole industrial contactor for demanding switching applications.
- 400 kW AC-3 motor control capability at 400 V AC.
- 24–60 V DC wide-range electronic coil.
- Integrated surge suppression reduces installation complexity.
- Pre-mounted 1 NO + 1 NC auxiliary contacts.
- Integrated Main Circuit Bars simplify high-current power connections.
Key Features
- ABB AF contactor series.
- 3 normally open main poles.
- 750 A AC-3 operational current.
- 1050 A AC-1 operational current.
- 24–60 V DC electronic coil interface.
- Integrated surge protection technology.
- Pre-installed 1 NO + 1 NC auxiliary contacts.
- Main circuit bars for simplified power distribution.
Technical Specifications
- Manufacturer: ABB
- Series: AF Contactors
- Model: AF750-30-11-68
- Part number: 1SFL637001R6811
- Product type: Industrial power contactor
- Number of poles: 3
- Main contacts: 3 NO
- Auxiliary contacts: 1 NO + 1 NC
- Rated operational current AC-3: 750 A
- Rated operational current AC-1: 1050 A
- Motor power AC-3 at 400 V: 400 kW
- Rated operational voltage: 1000 V IEC / 600 V UL
- Rated insulation voltage: 1000 V IEC
- Control voltage: 24–60 V DC
- Frequency: DC operation
- Mounting type: Panel mounting
- Connection type: Main circuit bars with screw terminals
- Protection feature: Integrated surge suppression
- Mechanical durability: 3 million operations
- Maximum operating altitude: 3000 m
- Dimensions (H × W × D): approx. 283 × 210 × 242 mm
- Weight: approx. 13.6 kg
Reliable Switching for Industrial Automation
The ABB AF750-30-11-68 is engineered for industrial switching applications where operational reliability and long service life are essential. ABB’s AF electronic coil technology enables stable switching performance during substantial voltage fluctuations, helping reduce downtime and improve automation system reliability.
Integrated surge suppression technology helps minimise electrical disturbances while simplifying panel construction by reducing the need for additional suppressors. The integrated main circuit bars further improve installation efficiency and simplify high-current distribution inside industrial control panels.
Typical Applications
- Industrial motor control systems.
- Large HVAC and ventilation equipment.
- Conveyor and material handling systems.
- Pumps and compressors.
- Industrial automation and OEM machinery.
- Power distribution and switching systems.
- Motor starting, isolation and bypass applications.
Frequently Asked Questions
What is the ABB AF750-30-11-68 used for?
The AF750-30-11-68 is used for switching and controlling industrial motors and high-current power circuits in automation and industrial electrical systems.
What motor power can this contactor control?
This contactor is suitable for controlling motors up to approximately 400 kW at 400 V AC under AC-3 duty.
What control voltage does the AF750-30-11-68 require?
The contactor uses a wide-range 24–60 V DC electronic coil for flexible industrial installation.
Does this contactor include auxiliary contacts?
Yes. The AF750-30-11-68 includes pre-mounted 1 normally open and 1 normally closed auxiliary contacts.
What are the benefits of integrated main circuit bars?
Main circuit bars simplify high-current wiring, reduce installation time and improve power distribution efficiency inside industrial control panels.
Trusted by Industrial Automation Professionals
ABB AF contactors are trusted worldwide for dependable industrial switching performance, advanced electronic coil technology and reliable operation in demanding automation and power control systems.
| Manufacturer Part Number | 1SFL637001R6811 |
|---|---|
| Manufacturer | ABB |
| Alternative Product SKU | AF750-30-11-68 |
| Packed Quantity | 1 |
| KW Rating | 400kW |
| Inbuilt Aux | 1 N/O 1 N/C |
| Barcode | 7320500220399 |
ABB AF Contactor RangeABB contactor range can be used to control power circuits up to a level of 690 V AC and 220 V DC. The main benefit of ABB's range of AF products are that only a few coils are needed for different control voltages used in many applications without having to change the coil. |