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SK827041-EM ABB EK550-40-11 220-230V 50Hz / 230-255V 60H 4 Pole Contactor with Auxiliary Contacts 220-230V50Hz / 230-255V Coil
ABB SK827041-EM EK550-40-11 four-pole industrial contactor with 220–230 V AC coil designed for high-current motor control and power switching applications.
£2,338.95
Why Choose the ABB SK827041-EM Contactor?
The ABB SK827041-EM is a heavy-duty four-pole industrial contactor designed for reliable switching and control of high-current AC loads in industrial power distribution, motor control and automation applications. As part of the advanced ABB EK550 contactor series, it provides robust switching performance for demanding electrical installations.
The SK827041-EM features four main normally open power contacts, an auxiliary contact configuration of 1NO + 1NC, and an AC coil rated for 220–230 V AC at 50 Hz / 230–255 V AC at 60 Hz. Its heavy-duty construction makes it suitable for industrial systems requiring dependable high-power switching.
With a rated operational current of 800 A at AC-1 and 550 A at AC-3, the ABB SK827041-EM is designed for applications including motor control, power distribution and large industrial equipment where reliable contactor operation is essential.
Key Advantages
- Heavy-duty industrial contactor for high-current switching applications.
- 800 A AC-1 rated operational current for demanding electrical systems.
- 550 A AC-3 motor switching capability for industrial motor applications.
- Four main power contacts for flexible switching configurations.
- Robust ABB EK series construction for reliable long-term operation.
- Suitable for industrial automation, power distribution and OEM equipment.
Key Features
- ABB EK550-40-11 contactor series.
- Four-pole main contact configuration.
- 1NO + 1NC auxiliary contacts.
- 220–230 V AC 50 Hz / 230–255 V AC 60 Hz coil supply.
- 550 A AC-3 rated current at 400 V.
- 800 A AC-1 rated current at 400 V.
- Rail connection main circuit terminals.
- Designed according to IEC 60947 switching standards.
Reliable High-Power Switching for Industrial Systems
Industrial contactors such as the ABB SK827041-EM provide electrically controlled switching of high-current circuits, enabling automated control of motors, heating systems and industrial power equipment. Their robust construction allows reliable operation in demanding environments.
The ABB EK550 series is designed for applications where high switching capacity, dependable performance and long service life are required. The SK827041-EM provides a practical solution for engineers designing industrial control panels and power distribution systems.
Typical Applications
- Large motor control systems.
- Industrial power distribution equipment.
- Motor control centres.
- Heavy-duty automation machinery.
- OEM electrical control panels.
- Industrial switching and control systems.
Technical Specifications
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Poles | 4-pole | |
| Current | 550 A | |
| Coil Voltage Range | 200–250 V | |
| Power | 280 kW | |
| Device Type | Contactor | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | AC | |
| Current AC-1 | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Bulgaria | |
| Manufacturer | ABB | |
| Series | EK550 | |
| Model | SK827041-EM | |
| Product type | Power contactor | |
| Contactor type | EK550-40-11 | |
| Main contacts | 4NO | |
| Auxiliary contacts | 1NO + 1NC | |
| Rated operational current AC-1 | 800 A | |
| Rated operational current AC-3 | 550 A | |
| Rated operational power AC-3 at 400 V | 280 kW | |
| Control coil voltage | 220–230 V AC 50 Hz / 230–255 V AC 60 Hz | |
| Rated insulation voltage | 1000 V | |
| Impulse withstand voltage | 8 kV | |
| Mechanical durability | 5 million operations | |
| Protection rating | IP20 (coil) | |
| Terminal type | Bar connection | |
| Dimensions (H × W × D) | approx. 272 × 270 × 225.5 mm | |
| Weight | approx. 15.5 kg |
Frequently Asked Questions
What is the ABB SK827041-EM used for?
The ABB SK827041-EM is a heavy-duty contactor used for switching and controlling high-current industrial electrical loads, including motors and power distribution equipment.
What is the rated current of the SK827041-EM?
The SK827041-EM is rated at 800 A AC-1 and 550 A AC-3 for industrial switching applications.
What coil voltage does the ABB SK827041-EM require?
The contactor operates with a control coil voltage of 220–230 V AC at 50 Hz and 230–255 V AC at 60 Hz.
How many main contacts does the SK827041-EM have?
The SK827041-EM has four normally open main power contacts and auxiliary contacts configured as 1NO + 1NC.
Where is the ABB SK827041-EM installed?
The SK827041-EM is typically installed in industrial control panels, motor control centres and high-power electrical switching systems.
Trusted by Industrial Automation Engineers
ABB EK series contactors are widely used in industrial applications to provide reliable high-current switching, motor control and power management solutions.
