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1SFL447001R4311 ABB AF140-30-11-43 Contactor 3 Pole 1NO+1NC Auxiliary Contacts 220-240V AC Coil
ABB 1SFL447001R4311 AF140 three-pole contactor with 100–250 V AC/DC coil designed for industrial motor control and power switching applications.
£373.88
Why Choose the ABB 1SFL447001R4311 AF140 Contactor?
The ABB 1SFL447001R4311 is a powerful and reliable AF series three-pole contactor designed for motor starting, isolation, bypass and power distribution applications in industrial electrical systems. As part of the advanced ABB AF contactor range, it uses modern electronic coil technology to provide dependable switching performance across demanding automation and control applications.
This contactor provides efficient control of high-power electrical loads while maintaining reliable operation in industrial environments. The AF technology enables a wide control voltage range, reducing the need for multiple coil variants and simplifying panel design, installation and maintenance.
With a rated operational current of 140 A AC-3 and suitability for motors up to 75 kW at 380–415 V AC, the ABB 1SFL447001R4311 is ideal for industrial motor control applications including pumps, compressors, conveyors and machinery systems.
Key Advantages
- Heavy-duty ABB AF series contactor designed for industrial motor control.
- Three-pole main contact configuration for three-phase switching applications.
- 140 A AC-3 operational current rating for demanding motor loads.
- Wide electronic coil voltage range improves application flexibility.
- Integrated auxiliary contacts support control and feedback circuits.
- Suitable for motor starting, isolation, bypass and distribution applications.
Key Features
- ABB AF140 contactor series.
- 3 main normally open power contacts.
- 1 NO and 1 NC auxiliary contact configuration.
- 100–250 V AC/DC control coil.
- 75 kW motor switching capability at 380–415 V AC.
- Rated operational voltage up to 690 V AC.
- Double clamp terminal design for secure connections.
- Compact block contactor design for industrial control panels.
Reliable Switching for Industrial Motor Applications
Industrial contactors such as the ABB 1SFL447001R4311 provide safe and reliable switching of motors and electrical loads in automation systems. By controlling the connection between the power supply and the motor, contactors enable efficient machine operation while protecting control systems from unnecessary switching stress.
The ABB AF series combines robust electrical performance with advanced coil technology, making it suitable for modern industrial installations where reliability, compact design and simplified maintenance are essential.
Typical Applications
- Industrial motor starters and control panels.
- Pumps, fans and compressor systems.
- Conveyor and material handling equipment.
- Machine building and OEM automation systems.
- Power distribution and switching applications.
- Industrial processing equipment.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Poles | 3-pole | |
| Current | 140 A | |
| Coil Voltage Range | 100–130 V, 200–250 V | |
| Power | 75 kW | |
| Coil / Supply Voltage | 110 V AC, 110 V DC, 115 V AC, 120 V AC, 125 V DC, 208 V AC, 220 V AC, 220 V DC, 230 V AC, 240 V AC, 250 V DC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Current AC-1 | 200 A | |
| Manufacturer | ABB | |
| Series | AF Contactors | |
| Model | 1SFL447001R4311 | |
| Alternative type | AF140-30-11-14 | |
| Product type | Three-pole contactor | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Rated operational current AC-3 | 140 A | |
| Conventional thermal current Ith | 200 A | |
| Rated operational voltage | Up to 690 V AC | |
| Motor power rating | 75 kW at 380–415 V AC | |
| Control voltage | 100–250 V AC/DC | |
| Frequency | 50 / 60 Hz | |
| Terminal type | Double clamp | |
| Protection rating | IP20 coil terminals | |
| Mechanical durability | 5 million operations | |
| Dimensions (H × W × D) | approx. 150 × 90 × 126 mm | |
| Weight | approx. 1.55 kg |
Frequently Asked Questions
What is the ABB 1SFL447001R4311 used for?
The ABB 1SFL447001R4311 is a three-pole AF series contactor used for motor starting, isolation, bypass and power switching applications.
What motor power can this contactor control?
The contactor is suitable for motors up to approximately 75 kW at 380–415 V AC.
What control voltage does the ABB 1SFL447001R4311 require?
The contactor uses a wide-range 100–250 V AC/DC control coil.
How many main contacts does this contactor have?
The ABB 1SFL447001R4311 has three normally open main contacts for three-phase switching.
Where is this contactor typically installed?
This contactor is typically installed inside industrial control panels, motor control centres and automation systems.
Trusted by Industrial Automation Professionals
ABB AF contactors are widely used by engineers and machine builders worldwide to provide reliable motor switching, efficient control and dependable operation in industrial electrical systems.
