SK827044-AL ek1000-40-11-220-230v50hz ABB Contactor

Why Choose the ABB SK827044-AL EK1000-40-11 Contactor?

The ABB SK827044-AL, also known as the EK1000-40-11 220-230V 50Hz / 240V 60Hz, is a heavy-duty 4-pole industrial power contactor engineered for high-current AC and DC switching applications in industrial automation, power distribution and railway infrastructure systems. Designed as part of the ABB EK series, this contactor delivers dependable switching performance for large industrial loads and demanding operating conditions.

Built for long-term reliability and robust electrical endurance, the EK1000-40-11 supports high operational currents while maintaining stable performance in demanding industrial environments. Its durable construction, integrated auxiliary contacts and high switching capacity make it ideal for industrial switchgear assemblies, motor control centres and large automation systems.

With a rated operational current of up to 1000 A AC-1, the ABB SK827044-AL is suitable for switching large motors, industrial process equipment, HVAC systems and heavy electrical loads. The integrated 220-230 V AC 50 Hz / 240 V AC 60 Hz control coil enables easy integration into global industrial control systems and automation platforms.

Key Advantages

• Heavy-duty 4-pole industrial contactor for high-current switching applications.
• 1000 A AC-1 operational current suitable for industrial distribution systems.
• Integrated 1 NO + 1 NC auxiliary contacts for control and signalling circuits.
• 220-230 V AC 50 Hz / 240 V AC 60 Hz control coil for international compatibility.
• Suitable for both AC and DC switching applications.
• Reliable ABB engineering for demanding industrial and railway environments.

Key Features

• ABB EK1000-40-11 industrial contactor.
• 4 normally open main contacts.
• 220-230 V AC 50 Hz / 240 V AC 60 Hz control voltage.
• 1000 A AC-1 rated operational current.
• 1000 V rated operational voltage.
• 1 NO + 1 NC integrated auxiliary contacts.
• Designed for industrial distribution and railway applications.
• Mechanical durability up to 5 million operating cycles.
• IP20 protection degree at coil terminals.
• Panel mounting format for industrial switchgear assemblies.

Technical Specifications

• Manufacturer: ABB
• Series: EK Block Contactors
• Model: EK1000-40-11
• Product code: SK827044-AL
• Product type: Industrial power contactor
• Number of poles: 4P
• Main contacts: 4 NO
• Auxiliary contacts: 1 NO + 1 NC
• Control voltage: 220-230 V AC 50 Hz / 240 V AC 60 Hz
• Rated operational voltage: 1000 V
• Rated operational current AC-1: 1000 A
• Rated operational current AC-3: approx. 1000 A
• Rated impulse withstand voltage: 8 kV
• Mechanical durability: 5 million operations
• Protection rating: IP20
• Mounting type: Panel mounting
• Dimensions (H × W × D): approx. 272 × 270 × 225.5 mm
• Weight: approx. 15.5 kg
• Standards: IEC 60947

Reliable High-Current Switching Performance

Industrial contactors such as the ABB EK1000-40-11 are designed to safely switch high-current electrical loads in industrial automation and power distribution systems. Their electromagnetic switching mechanism enables reliable remote operation of large motors, industrial heating systems, HVAC equipment and infrastructure installations.

The ABB EK series is engineered for applications requiring dependable switching performance, long operational life and robust electrical characteristics under demanding operating conditions. Its suitability for AC and DC switching makes it ideal for industrial and railway infrastructure applications.

Typical Applications

• Industrial motor control systems.
• Power distribution and switchgear assemblies.
• Railway and transport infrastructure.
• Large HVAC and ventilation systems.
• Industrial automation equipment.
• Heavy-duty machinery and process control systems.

Trusted by Industrial Engineers Worldwide

ABB EK series contactors are trusted across industrial sectors for reliable high-current switching performance, robust construction and dependable long-term operation in demanding industrial environments.