ABB 3HNA000512-001 contactor unit

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ABB 3HNA000512-001 Contactor Unit

Introduction

The ABB 3HNA000512-001 is a contactor unit widely used in ABB industrial automation and robotic systems. It is designed to control the switching of motors, drives, and other high-power loads, ensuring reliable operation in demanding environments. With a modular and robust design, it serves as a critical electrical interface between the control system and power equipment.

Technical Specifications

• Model: 3HNA000512-001

• Type: Contactor Unit

• Functions:

  • Switching control of circuits

  • Remote on/off control of motors and drives

  • Provides interface for overload/short-circuit protection

• Electrical Data:

  • Rated voltage: AC control voltage (depending on configuration)

  • Rated current: suitable for motor/drive loads

  • Poles: 3-pole / multi-pole options

• Construction:

  • Modular design for easy system integration

  • High-strength insulated housing for safety

• Mounting: DIN rail or screw mounting in control cabinets

• Operating Conditions:

  • Temperature: -25℃ ~ +55℃

  • Humidity: 5%–95% (non-condensing)

• Certifications: CE, UL, RoHS

Features & Benefits

• High reliability – suitable for high-load and high-frequency operations.

• Long service life – excellent electrical and mechanical durability.

• Enhanced safety – strong insulation and protective design.

• Modular integration – fully compatible with ABB systems.

• Versatility – controls motors, inverters, servo drives, and more.

Applications

• ABB industrial robots – power switching for servo drives and motors.

• Automated production lines – motor start/stop and load switching.

• Power & energy sector – generation and distribution control.

• Process industries – chemical, metallurgy, pulp & paper, oil & gas.

• Building automation & infrastructure – HVAC, elevators, lighting.

Installation & Maintenance Notes

1. Always disconnect power before wiring.

2. Ensure load current and voltage are within rated specifications.

3. Regularly check contact wear and mechanical movement.

4. Avoid long-term use in environments with heavy vibration or humidity.

5. Use ABB-certified accessories to ensure safety and compatibility.

The structure and details of the product：

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