ABB A110-30-11/240 Contactor

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• 1. Product Overview

  The ABB A110-30-11/240 AC Contactor is a high-performance switching device used for controlling motors and industrial equipment. Featuring a compact, durable design, it is capable of withstanding frequent operations and high loads, making it suitable for industrial automation, electromechanical control, and power systems.

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  2. Technical Specifications

  Parameter	Specification
  Model	A110-30-11/240
  Type	AC Contactor
  Rated Coil Voltage	240 V AC
  Rated Current	30 A AC-3 (motor load)
  Contact Configuration	3 NO + 1 auxiliary contact (optional 1 NO / 1 NC)
  Mechanical Life	≥ 10,000,000 operations
  Electrical Life	≥ 1,000,000 operations (at rated load)
  Coil Power	20 W (at rated voltage)
  Mounting	DIN rail or screw panel mount
  Operating Temperature	-25 ℃ ~ +60 ℃
  Protection Rating	IP20 (standard)
  Status Indication	Mechanical position indicator / LED (optional)
  Dimensions	45 × 60 × 90 mm (approx.)

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  3. Key Features and Benefits

  • High durability with mechanical life ≥ 10,000,000 cycles

  • Reliable switching with optimized contact design and arc resistance

  • Compact design saves installation space

  • Flexible mounting on DIN rail or panel for easy integration

  • Auxiliary contacts support feedback and interlock functionality

  • Suitable for motor control, pumps, fans, compressors, and industrial automation

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  4. Typical Applications

  • Industrial motor control systems

  • HVAC and pump/fan control

  • Conveyor and automated production lines

  • Power, chemical, metallurgical, and machinery industries

  • Low-voltage power and control cabinets

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  5. Installation & Usage Notes

   

  • Match coil voltage and load current to the rated values to prevent overloading

  • Avoid high temperature, humidity, dust, and corrosive environments

  • Ensure proper wiring and secure terminal screws to prevent loose contact or arcing

  • Maintain adequate ventilation for heat dissipation

  • Regularly inspect contact wear and mechanical operation to ensure reliable control

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The structure and details of the product：

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