ABB IEC/EN 60947-4-1 Contactors

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• • • • Product Description

        ABB IEC/EN 60947-4-1 contactors are high-performance industrial switching devices designed in compliance with IEC/EN 60947-4-1 standards. They are widely used for motor control, load switching, and remote operation in automation and power distribution systems. These contactors feature high reliability, long service life, and strong safety performance.

        Technical Specifications (Typical Range)

        • Standard Compliance: IEC/EN 60947-4-1

        • Rated Operating Voltage: AC 220–690 V

        • Rated Current: 9 A – 800 A (depending on model)

        • Control Voltage: AC or DC, commonly 24V / 110V / 220V / 380V

        • Main Contacts: 3-pole or 4-pole

        • Auxiliary Contacts: Various NO/NC combinations

        • Mechanical Life: Up to several million operations

        • Electrical Life: Depends on load category (AC-1 / AC-3)

        • Mounting: 35 mm DIN-rail or screw mounting

        • Protection Class: IP20 / IP40 (depending on model)

        • Load Category: AC-1 (general load), AC-3 (motor load)

        Features & Advantages

        • Fully compliant with IEC/EN 60947-4-1 standards

        • High reliability under heavy-duty and frequent switching conditions

        • Modular design compatible with overload relays and auxiliary units

        • Low-power coil for improved efficiency

        • Excellent vibration resistance for industrial applications

        • Quick and easy installation

        • Safe and reliable switching to protect motors and equipment

        Application Areas

        • Industrial automation

        • Motor start/stop control

        • Power distribution panels

        • HVAC systems

        • Pump control units

        • Wind energy and CNC machinery

        • Conveying and material handling equipment

        • Building automation systems

        Precautions

        • Always disconnect power before installation or maintenance.

        • Select the appropriate contactor rating according to the load.

        • Ensure control coil voltage matches the actual control power supply.

        • Use suitable models for the environmental conditions.

        • Inspect contact wear regularly and replace when necessary.

        • Use original ABB accessories for maximum reliability.

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The structure and details of the product：

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