ABB ZAF110-70 magnetic coil motor control

Product Overview

The ABB ZAF110-70 is a magnetic operating coil designed for ABB’s AF95 to AF110 series contactors. It provides the magnetic drive to pull in and release the main contacts of the contactor. The coil supports a wide voltage range of both AC and DC control inputs and is designed as a modular, replaceable component for efficient maintenance.

Technical Specifications

Advantages & Features

1. Wide Voltage Range
   Operates on 100-250 V AC or DC, suitable for global applications and reducing part variation and inventory complexity.

2. Energy-Efficient Coil Design
   Low holding power consumption minimizes control circuit energy use and reduces coil heating, enhancing reliability.

3. Modular & Replaceable Structure
   The coil can be easily replaced without changing the entire contactor, lowering maintenance time and cost.

4. High Reliability & ABB Quality
   Genuine ABB component with excellent compatibility and performance for AF-series contactors.

5. Compact & Easy Installation
   Standard screw terminals and compact design allow for simple mounting and reliable operation in industrial environments.

Application Fields

The ZAF110-70 coil is widely used in:

• Industrial automation and motor control systems

• Motor starter and stop control units

• Power distribution and control cabinets

• Pump, compressor, and conveyor system control

• Manufacturing, mining, energy, and chemical industries

• Maintenance and replacement for existing ABB AF contactors

Precautions

1. Verify Supply Voltage
   Ensure the control voltage is within 100–250 V. Undervoltage may cause improper operation; overvoltage may damage insulation.

2. Polarity and Wiring
   For DC operation, connect the coil with correct polarity. Incorrect polarity can result in malfunction or delayed actuation.

3. Environmental Conditions
   Keep ambient temperature ≤ 70 °C and avoid high humidity, dust, or corrosive gases. Ensure proper ventilation.

4. Avoid Excessive Switching
   Frequent on/off operation increases wear. Limit the number of cycles or implement protection circuits if needed.

5. Stable Power Supply
   Prevent voltage dips or surges. Use surge suppressors or voltage stabilizers for sensitive control systems.

6. Proper Mounting
   Securely mount the coil and tighten terminals to avoid loose connections and heat buildup.

7. Storage & Handling
   Store in a dry, clean place away from moisture or high temperatures. Perform insulation checks before use after long storage.

The structure and details of the product：

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