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SK827044-AF ek1000-40-11-110v50hz-120v60hz ABB Contactor
ABB SK827044-AF EK550-40-11 industrial 4-pole contactor with 110-120 V AC control coil, 800 A AC-1 operational current and 550 A AC-3 rating for industrial power switching applications.
£2,828.51
Why Choose the ABB EK1000-40-11 110 V 50 Hz / 120 V 60 Hz Contactor?
The ABB EK1000-40-11 (Part Number: SK827044-AF) is a heavy-duty 4-pole industrial contactor designed for switching extremely high-current AC and DC power circuits in demanding industrial, infrastructure and railway applications. As part of the proven ABB EK contactor series, it provides dependable switching performance, robust construction and exceptional mechanical durability for mission-critical power control systems.
Equipped with a 110 V AC 50 Hz / 120 V AC 60 Hz control coil, the EK1000-40-11 is ideal for industrial installations requiring reliable control of large electrical loads. Its block-type design incorporates 4 normally open main contacts together with 1 normally open and 1 normally closed auxiliary contact, providing flexible integration into industrial switching and monitoring circuits.
With a 1000 A AC-1 rated operational current, a maximum operational voltage of 1000 V AC and heavy-duty construction, the EK1000-40-11 is ideally suited to electrical distribution systems, resistance heating applications, railway installations and heavy industrial machinery where reliable high-current switching is essential.
Key Advantages
- Heavy-duty 4-pole industrial contactor for demanding switching duties.
- 1000 A AC-1 switching capacity for high-current industrial applications.
- 110 V AC 50 Hz / 120 V AC 60 Hz control coil.
- Designed for AC and DC switching applications.
- Supplied with 1 NO and 1 NC auxiliary contact.
- Suitable for industrial power distribution, railway and infrastructure projects.
Key Features
- ABB EK contactor series.
- 4 normally open (4 NO) main contacts.
- 1 normally open + 1 normally closed auxiliary contact.
- 1000 A rated operational current (AC-1).
- 110 V AC 50 Hz / 120 V AC 60 Hz control coil.
- Rated operational voltage up to 1000 V AC.
- Heavy-duty block construction.
- Main circuit bar terminals for secure high-current connections.
Reliable High-Current Power Switching
The ABB EK1000-40-11 is engineered to provide dependable switching of very large electrical loads in demanding industrial environments. Its heavy-duty contacts and robust construction ensure reliable operation in power distribution systems, resistance heating equipment and industrial infrastructure where maximum reliability is essential.
Compatible with ABB auxiliary contact blocks and accessories, the EK series enables flexible integration into OEM machinery, electrical switchboards and industrial automation systems while maintaining long-term operational reliability.
Typical Applications
- Industrial power distribution systems.
- Railway electrical installations.
- Resistance heating equipment.
- Large industrial switchboards.
- Heavy-duty process machinery.
- OEM electrical control panels.
Technical Specifications
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| Coil Voltage Range | 100–130 V | |
|---|---|---|
| Current | 550 A | |
| Power | 280 kW | |
| Voltage | 120 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | AC | |
| Current AC-1 | 800 A | |
| Series | EK Block Contactors | |
| Product code | SK827044-AF | |
| Product type | Industrial power contactor | |
| Number of poles | 4P | |
| Main contacts | 4 NO | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Control voltage | 110-120 V AC 50/60 Hz | |
| Rated operational voltage | 1000 V | |
| Rated operational current AC-1 | 800 A | |
| Rated operational current AC-3 | 550 A | |
| Rated operational power AC-3 at 400 V | approx. 280 kW | |
| Rated impulse withstand voltage | 8 kV | |
| Protection rating | IP20 | |
| Mechanical durability | up to 5 million operations | |
| Mounting type | Panel mounting | |
| Dimensions (H × W × D) | approx. 272 × 270 × 225.5 mm | |
| Weight | approx. 15.5 kg | |
| Standards | IEC 60947 |
Frequently Asked Questions
What is the ABB EK1000-40-11 used for?
It is designed for switching extremely high-current AC and DC power circuits in industrial, infrastructure and railway applications.
What control voltage does this contactor require?
The control coil operates on a 110 V AC 50 Hz or 120 V AC 60 Hz supply.
What is the current rating of the EK1000-40-11?
The contactor is rated for 1000 A AC-1 switching applications.
How many contacts does this model include?
It features 4 normally open main contacts together with 1 normally open and 1 normally closed auxiliary contact.
Where is the EK1000-40-11 typically installed?
It is commonly installed in industrial control panels, power distribution equipment, railway systems and heavy-duty electrical switchboards.
Trusted by Industrial Engineers Worldwide
ABB EK contactors are trusted worldwide for dependable high-current switching, robust construction and long service life across industrial power distribution, railway infrastructure and demanding heavy-duty electrical applications.
