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1SFL447262R1222 ABB AF140B-40-22RT-12 4 Pole Contactor 2NO+2NC Auxiliary Contacts 48-130V AC/DC Railway Application Contactor
ABB AF140B-40-22RT-12 1SFL447262R1222 four pole power contactor with 48–130 V AC/DC coil and auxiliary contacts for industrial switching applications.
£444.40
Why Choose the ABB AF140B-40-22RT-12 1SFL447262R1222 Contactor?
The ABB AF140B-40-22RT-12 1SFL447262R1222 is a robust four-pole AF contactor designed for reliable switching of motors, power circuits and industrial electrical loads. Part of ABB’s advanced AF contactor series, it combines electronic coil technology with dependable switching performance for industrial automation, motor control and power distribution applications.
This contactor features a wide 48–130 V AC/DC control voltage range and integrated auxiliary contacts, making it suitable for demanding control systems requiring reliable operation, reduced control power consumption and improved tolerance to voltage variations.
With a four-pole configuration, 140 A thermal current rating and pre-mounted auxiliary contacts, the AF140B-40-22RT-12 is suitable for industrial switching applications including motor control, isolation, bypass and distribution systems where reliable contactor performance is required.
Key Advantages
- High-performance ABB AF series contactor for industrial switching applications.
- Four-pole contact configuration for flexible power switching requirements.
- 48–130 V AC/DC electronic coil for flexible control system integration.
- Integrated auxiliary contacts for additional control functionality.
- Built-in surge protection for improved operational reliability.
- Compact block design for efficient electrical panel installation.
Key Features
- ABB AF140B contactor series.
- Four main normally open contacts (4 NO).
- Two normally open and two normally closed auxiliary contacts (2 NO + 2 NC).
- 48–130 V AC/DC electronic coil.
- 140 A conventional thermal current rating.
- Suitable for motor starting, isolation, bypass and distribution applications.
- Compatible with ABB AF series accessories.
Reliable Motor Control and Power Switching
ABB AF contactors provide reliable switching solutions for industrial motor control and electrical distribution systems. The electronic coil technology allows wide control voltage operation while improving system flexibility and reducing panel energy requirements.
The AF140B-40-22RT-12 is designed for engineers and machine builders requiring dependable switching performance, long service life and reliable operation in demanding industrial environments.
Typical Applications
- Industrial motor starters.
- Machine automation systems.
- Power distribution panels.
- Pumps, fans and compressors.
- Production and processing machinery.
- OEM electrical control systems.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 100–130 V, 42–48 V, 60–72 V | |
| Power | 75 kW | |
| Current | 140 A | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Auxiliary Contacts | 2NO + 2NC | |
| Current AC-1 | 140 A | |
| Manufacturer | ABB | |
| Series | AF Contactors | |
| Model | AF140B-40-22RT-12 | |
| Manufacturer part number | 1SFA611103R1222 | |
| Product type | Power contactor | |
| Number of poles | 4 | |
| Main contacts | 4 NO | |
| Auxiliary contacts | 2 NO + 2 NC | |
| Rated control voltage | 48–130 V AC/DC | |
| Rated operational voltage | Up to 690 V AC | |
| Conventional thermal current | 140 A | |
| Protection rating | IP20 coil terminals / IP00 main terminals | |
| Mounting type | Panel mounting | |
| Dimensions (W × H × D) | approx. 105 × 122 × 132 mm | |
| Weight | approx. 2.0 kg |
Frequently Asked Questions
What is the ABB AF140B-40-22RT-12 contactor used for?
The ABB AF140B-40-22RT-12 is used for switching and controlling motors, power circuits and industrial electrical loads.
What coil voltage does the ABB AF140B-40-22RT-12 require?
The AF140B-40-22RT-12 operates with a wide 48–130 V AC/DC control voltage range.
How many main contacts does this contactor have?
The contactor has four normally open main contacts for flexible industrial switching applications.
How many auxiliary contacts are included?
The contactor includes 2 normally open and 2 normally closed auxiliary contacts for additional control functions.
Where is the AF140B-40-22RT-12 typically installed?
The contactor is typically installed in industrial control panels, motor starters and automation systems.
Trusted by Industrial Automation Professionals
ABB AF contactors are widely used by engineers and machine builders to provide reliable motor switching, efficient control and dependable operation in industrial environments.
