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1SFL637001R6811 af750-30-11-68 400kw/750 amp 24-60v dc ABB Contactor
ABB AF750-30-11-68 industrial contactor with 3 poles, 750 A AC-3 rating, integrated auxiliary contacts, main circuit bars and 24-60 V DC electronic coil for industrial motor control applications.
£3,008.41
Why Choose the ABB AF750-30-11 24-60 V DC Contactor?
The ABB AF750-30-11-68 (Part Number: 1SFL637001R6811) is a heavy-duty 3-pole industrial contactor designed for switching high-current power circuits and controlling large three-phase motors in demanding industrial environments. As part of the advanced ABB AF contactor series, it incorporates ABB's innovative electronic coil technology, ensuring dependable performance across a wide control voltage range while reducing energy consumption and improving operational reliability.
Its integrated 24-60 V DC electronic control coil provides reliable operation during supply voltage fluctuations and unstable network conditions. Built-in surge suppression removes the need for external suppression components, helping simplify control panel design while improving long-term reliability.
Capable of controlling motors up to 400 kW at 400 V AC (AC-3) and switching power circuits up to 1050 A AC-1, the AF750-30-11-68 is ideally suited to heavy industrial automation, motor control centres, mining operations, process plants and electrical distribution systems.
Key Advantages
- Heavy-duty 3-pole industrial contactor for demanding switching applications.
- 24-60 V DC electronic control coil with wide voltage tolerance.
- 1050 A AC-1 switching capacity for high-current industrial loads.
- Suitable for controlling motors up to 400 kW at 400 V AC.
- Integrated surge suppression simplifies installation.
- Expandable using ABB auxiliary contact blocks and accessories.
Key Features
- ABB AF contactor series.
- 3 normally open (3 NO) main contacts.
- 1 normally open and 1 normally closed auxiliary contact.
- 24-60 V DC electronic control coil.
- 1050 A rated operational current (AC-1).
- 750 A rated operational current (AC-3).
- 400 kW motor rating at 400 V AC.
- Main circuit bars with integrated surge protection.
Reliable Heavy-Duty Motor Control
The ABB AF750-30-11-68 delivers dependable switching of large motors and industrial power circuits while maintaining reliable operation during voltage fluctuations. ABB's AF electronic coil technology reduces power consumption, prevents contactor chatter and extends equipment service life, making it ideal for critical industrial applications.
Its modular block design allows expansion using ABB auxiliary contact blocks and a comprehensive range of accessories, providing flexibility for OEM machinery, industrial control panels and electrical distribution systems.
Typical Applications
- Heavy industrial motor control.
- Motor control centres.
- Mining and quarrying equipment.
- Power distribution systems.
- Process manufacturing plants.
- OEM machinery and industrial automation.
Technical Specifications
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Power | 400 kW | |
| Current | 750 A | |
| Voltage | 60 V | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 24 V DC, 48 V DC, 60 V DC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | DC | |
| Current AC-1 | 1050 A | |
| Series | AF Contactors | |
| 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 | |
| Mechanical durability | 3 million operations | |
| Maximum operating altitude | 3000 m | |
| Dimensions (H × W × D) | approx. 283 × 210 × 242 mm | |
| Weight | approx. 13.6 kg |
Frequently Asked Questions
What is the ABB AF750-30-11-68 used for?
It is designed for switching high-current industrial power circuits and controlling large three-phase motors in demanding automation and electrical distribution applications.
What control voltage does this contactor require?
The electronic coil operates from a wide 24-60 V DC control supply.
What motor size can the AF750-30-11-68 control?
It can control motors rated up to 400 kW at 400 V AC (AC-3).
What is the AC-1 current rating?
The contactor is rated to switch power circuits up to 1050 A AC-1.
What are the advantages of ABB AF electronic coil technology?
ABB AF technology provides reliable operation across a wide control voltage range, integrated surge protection, reduced energy consumption and dependable switching in unstable power networks.
Trusted by Industrial Engineers Worldwide
ABB AF contactors are trusted worldwide by panel builders, OEM manufacturers and industrial engineers for reliable motor control, long service life and dependable switching performance in demanding industrial environments.
