ABB A300-30-11 CODE 1SFL551001R8011 Three-phase contactor

• ABB A300-30-11 CODE 1SFL551001R8011 Three-phase Contactor

  1. Product Overview

  The ABB A300-30-11 CODE 1SFL551001R8011 is a high-performance three-phase contactor designed for industrial automation, machinery control, and electrical power systems. It provides reliable switching for motors and loads with high current carrying capacity and fast response, suitable for various industrial environments.

  2. Technical Specifications

  • Model: A300-30-11 CODE 1SFL551001R8011

  • Type: Three-phase Contactor

  • Poles: 3-pole

  • Rated Control Voltage: AC 230 V / 50–60 Hz

  • Rated Operational Current: 30 A (AC-3)

  • Rated Insulation Voltage: 690 V AC

  • Contact Configuration: 3 NO (Normally Open)

  • Mechanical Life: ≥ 10,000,000 operations

  • Electrical Life: ≥ 500,000 operations (under AC-3 load)

  • Mounting: DIN rail or panel mounting

  • Protection Rating: IP20

  • Auxiliary Contact Module: Optional

  • Operating Temperature: -25 °C to +55 °C

  • Standards: IEC 60947-4-1

  3. Advantages and Features

  1. High Reliability: Premium materials and precise design ensure long-term stable operation.

  2. High Current Capacity: Suitable for directly driving motors and industrial loads.

  3. Compact Design: Space-saving, suitable for combined installation in distribution panels.

  4. Expandable: Optional auxiliary contact modules for signal extension and logic control.

  5. International Standard Compliance: IEC 60947-4-1 ensures global compatibility.

  4. Typical Applications

  • Industrial automation control systems

  • Motor start and stop control

  • Machinery load control

  • Motor protection and switching in power distribution systems

  • HVAC systems, elevators, and pump control

  5. Installation and Usage Notes

  • Disconnect power before installation to ensure safety.

  • Verify contactor rated current matches the load to prevent overload.

  • Follow wiring diagrams for proper electrical connections.

  • Regularly inspect contacts and wiring to ensure reliable operation.

  • Avoid long-term use in high humidity, corrosive, or strong electromagnetic interference environments.

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The structure and details of the product：

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