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1SFL447002R1111 af140-30-11b-11 75kw/140 amp 24-60v 50/60hz-dc ABB Contactor
ABB AF140-30-11B-11 industrial contactor with 24–60 V AC/DC electronic coil, 3-pole configuration and 140 A AC-3 operational current for motor control and automation applications.
£419.26
Why Choose the ABB AF140-30-11B-11 Contactor?
The ABB AF140-30-11B-11, product ID 1SFL447002R1111, is a high-performance 3-pole industrial contactor with main circuit bars designed for reliable motor starting, isolation, bypass and power distribution applications. As part of the proven ABB AF contactor series, it features ABB's advanced electronic coil technology, providing dependable switching performance across a wide control voltage range while reducing control circuit energy consumption and ensuring reliable operation in unstable power networks.
Designed for demanding industrial automation and motor control applications, the AF140-30-11B-11 controls three-phase motors up to 75 kW at 400 V AC-3 while switching power circuits up to 200 A AC-1. The integrated main circuit bar connections make it ideal for motor control centres, busbar assemblies and high-current industrial panels.
Featuring a 24-60 V AC 50/60 Hz and 20-60 V DC electronic control coil, integrated surge protection and pre-mounted auxiliary contacts, the AF140-30-11B-11 provides an efficient and dependable solution for OEM machinery, manufacturing plants, HVAC systems and industrial electrical distribution.
Key Advantages
- Heavy-duty 3-pole industrial contactor with main circuit bars.
- Suitable for motors up to 75 kW at 400 V AC-3.
- 200 A AC-1 switching capacity for demanding industrial applications.
- 24-60 V AC / 20-60 V DC electronic coil accommodates significant voltage fluctuations.
- Integrated surge suppression eliminates the need for external suppressors.
- Supplied with 1 NO + 1 NC auxiliary contacts.
Key Features
- ABB AF contactor series.
- Model AF140-30-11B-11.
- Product ID: 1SFL447002R1111.
- Main circuit bar connections.
- 140 A AC-3 rated operational current.
- 75 kW motor rating at 400 V AC-3.
- 200 A AC-1 conventional free-air thermal current.
- 24-60 V AC 50/60 Hz / 20-60 V DC control voltage.
- Three normally open main contacts.
- One normally open and one normally closed auxiliary contact.
- Built-in surge protection.
- Expandable using ABB auxiliary contact blocks and accessories.
Reliable Motor Control for Industrial Applications
ABB AF contactors incorporate intelligent electronic coil technology that compensates for control voltage fluctuations, helping eliminate contactor chatter while reducing energy consumption and extending equipment life. This ensures dependable switching performance in demanding industrial environments.
The AF140-30-11B-11 is particularly suited to motor control centres, industrial machinery and power distribution systems requiring secure busbar connections. Its compact design and compatibility with ABB accessories simplify installation and future system expansion.
Typical Applications
- Industrial motor starters.
- Motor control centres (MCCs).
- Busbar distribution systems.
- Pumps and compressors.
- Conveyor systems.
- HVAC installations.
- Manufacturing and processing machinery.
- OEM automation equipment.
Technical Specifications
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 24 V, 42–48 V, 60–72 V | |
| Power | 75 kW | |
| Current | 140 A | |
| Voltage | 60 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 24 V AC, 24 V DC, 48 V AC, 48 V DC, 60 V DC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Current AC-1 | 200 A | |
| Series | AF Contactors | |
| Part number | 1SFL447002R1111 | |
| Product type | Industrial contactor | |
| Number of poles | 3 | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Rated operational current AC-3 | 140 A | |
| Rated operational current AC-1 | 200 A | |
| Motor power rating | 75 kW at 400 V AC | |
| Maximum operational voltage | 690 V AC | |
| Control voltage | 24–60 V AC/DC | |
| Frequency | 50 / 60 Hz | |
| Mounting type | Panel mounting | |
| Terminal type | Bar connection | |
| Protection rating | IP20 coil terminals | |
| Dimensions (H × W × D) | approx. 150 × 90 × 126 mm | |
| Weight | approx. 1.3 kg |
Frequently Asked Questions
What is the ABB AF140-30-11B-11 used for?
It is designed for switching three-phase motors and industrial power circuits in automation, manufacturing and electrical distribution applications.
What motor power can this contactor control?
The AF140-30-11B-11 is suitable for motors up to 75 kW at 400 V AC-3.
What is the difference between the B version and the standard model?
The B version features main circuit bar connections instead of cable clamp terminals, making it ideal for busbar and motor control centre installations.
What control voltage does this contactor require?
The electronic coil operates on a wide 24-60 V AC 50/60 Hz or 20-60 V DC control voltage range.
Does this contactor include auxiliary contacts?
Yes. It is supplied with one normally open and one normally closed auxiliary contact as standard.
Trusted by Industrial Automation Professionals
ABB AF contactors are trusted worldwide by panel builders, OEM manufacturers and industrial engineers for dependable motor switching, energy-efficient operation and long service life in demanding industrial environments.
