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1SFL447001R4322 ABB AF140-30-22-43 Contactor 3 Pole 2NO+2NC Auxiliary Contacts 220-240V AC/DC
ABB 1SFL447001R4322 AF140 three-pole contactor with 250–500 V AC/DC coil designed for industrial motor control and power switching applications.
£390.77
Why Choose the ABB 1SFL447001R4322 AF140 Contactor?
The ABB 1SFL447001R4322 is a robust and reliable AF series three-pole power 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 combines high switching performance with modern electronic coil technology for dependable operation in demanding automation environments.
This contactor provides efficient control of high-power electrical loads while simplifying panel design through its wide-range AC/DC control coil. The AF technology helps maintain reliable operation during control voltage variations and includes built-in surge protection for a compact industrial solution.
With a rated operational current of 140 A AC-3, a motor rating of 75 kW at 380–415 V AC and a 250–500 V AC/DC control coil, the ABB 1SFL447001R4322 is suitable for large industrial motors, pumps, compressors, conveyors and automation systems.
Key Advantages
- Heavy-duty ABB AF140 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.
- 75 kW motor switching capability at 380–415 V AC.
- 250–500 V AC/DC wide-range control coil for flexible installations.
- Integrated surge protection reduces the need for additional suppression components.
Key Features
- ABB AF140 contactor series.
- 3 main normally open power contacts.
- 2 NO + 2 NC auxiliary contacts.
- 250–500 V AC/DC control coil.
- 75 kW AC-3 motor control rating at 400 V AC.
- Rated operational voltage up to 690 V AC.
- Double clamp terminal design for secure electrical connections.
- Block contactor construction for industrial control panels.
- Compatible with ABB AF series accessories and auxiliary contact blocks.
Reliable Switching for Industrial Motor Applications
Industrial contactors such as the ABB 1SFL447001R4322 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 supporting dependable industrial control.
The ABB AF series combines robust electrical performance, compact construction and advanced coil technology, making it suitable for modern installations where reliability, flexibility 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 machinery.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Poles | 3-pole | |
| Power | 75 kW | |
| Current | 140 A | |
| Coil Voltage Range | 200–250 V, 380–440 V, 460–500 V | |
| Coil / Supply Voltage | 250 V DC, 380 V AC, 400 V AC, 415 V AC, 440 V AC, 480 V AC, 500 V AC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 2NO + 2NC | |
| Current AC-1 | 200 A | |
| Manufacturer | ABB | |
| Series | AF Contactors | |
| Model | 1SFL447001R4322 | |
| Alternative type | AF140-30-22-43 | |
| Product type | Three-pole power contactor | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 2 NO + 2 NC | |
| Rated operational current AC-3 | 140 A | |
| Rated operational current AC-1 | 200 A | |
| Rated operational voltage | Up to 690 V AC | |
| Motor power rating | 75 kW at 380–415 V AC | |
| Control voltage | 250–500 V AC/DC | |
| Frequency | 50 / 60 Hz | |
| Terminal type | Double clamp screw connection | |
| Mechanical durability | 5 million operations | |
| Mounting type | Screw mounting | |
| Dimensions (H × W × D) | approx. 150 × 110 × 126 mm |
Frequently Asked Questions
What is the ABB 1SFL447001R4322 used for?
The ABB 1SFL447001R4322 is a three-pole AF140 contactor used for motor starting, isolation, bypass and industrial power switching applications.
What motor power can this contactor control?
The contactor supports motors up to approximately 75 kW at 380–415 V AC.
What control voltage does the ABB 1SFL447001R4322 require?
The contactor operates with a wide-range 250–500 V AC/DC control coil.
How many main contacts does this contactor have?
The ABB 1SFL447001R4322 has three normally open main contacts for three-phase power 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.
